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Krishna</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The study was intended to identify if scalp cooling therapy is effective on preventing chemotherapy-induced hair loss among cancer patients. Critical literature of non-randomized controlled trials was used to investigate whether scalp cooling therapy is effective on preventing chemotherapy-induced alopecia. The review identified that scalp cooling therapy is effective on preventing chemotherapy-induced alopecia. Most of the patients receiving chemotherapy experience alopecia. It is also perceived as the worst effect of chemotherapy. This may be severe and lead the patients to withdraw the chemo treatment. The image disturbance caused by alopecia will make the patient depressed and will lead to declined immunity. With the knowledge on effectiveness of scalp cooling therapy on preventing chemotherapy-induced alopecia, patient undergoing chemotherapy will not be hesitant to undergo the treatment. Patients are recommended to go through scalp cooling therapy every chemo cycle and the proper therapy duration is 30 minutes before, during chemo. The suggested duration of the scalp cooling therapy is 45-90 minutes for an effective and positive outcome. This finding is excluding other factors of alopecia such as menopause, therapeutic drugs, poor hair density, liver function problems, and drug regimes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=alopecia" title="alopecia">alopecia</a>, <a href="https://publications.waset.org/abstracts/search?q=cancer" title=" cancer"> cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=chemotherapy" title=" chemotherapy"> chemotherapy</a>, <a href="https://publications.waset.org/abstracts/search?q=scalp%20cooling%20therapy" title=" scalp cooling therapy"> scalp cooling therapy</a> </p> <a href="https://publications.waset.org/abstracts/111661/the-effectiveness-of-scalp-cooling-therapy-on-reducing-chemotherapy-induced-alopecia-a-critical-literature-review" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/111661.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">216</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2981</span> Comparison Between Partial Thickness Skin Graft Harvesting From Scalp and Lower Limb for Scalp Defect</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mehrdad%20Taghipour">Mehrdad Taghipour</a>, <a href="https://publications.waset.org/abstracts/search?q=Mina%20Rostami"> Mina Rostami</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20Eskandarlou"> Mahdi Eskandarlou</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Partial-thickness skin graft is the cornerstone for scalp defect repair. Given the potential side effects following harvesting from these sites, this study aimed to compare the outcomes of graft harvesting from scalp and lower limb. This clinical trial was conducted among a sample number of 40 partial thickness graft candidates (20 case and 20 control group) with scalp defect presenting to Plastic Surgery Clinic at Besat Hospital, Hamadan, Iran during 2018-2019. Sampling was done by simple randomization using random digit table. The donor site in case group and control group was scalp and lower limb respectively. Overall, 28 patients (70%) were male and 12 (30%) were female. Basal cell carcinoma (BCC) and trauma were the most common etiology for the defects. There was a statistically meaningful relationship between two groups regarding the etiology of defect (P=0.02). The mean diameter of defect was 24.28±45.37 mm for all of the patients. The difference between diameters of defect in both groups were statistically meaningful while no such difference between graft diameters was seen. The graft “Take” was completely successful in both groups according to evaluations. The level of postoperative pain was lower in the case group compared to the control according to VAS scale and the satisfaction was higher in them per Likert scale. Scalp can safely be used as donor site for skin graft to be used for scalp defects associated with better results and lower complication rates compared to other donor sites. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=donor%20site" title="donor site">donor site</a>, <a href="https://publications.waset.org/abstracts/search?q=graft" title=" graft"> graft</a>, <a href="https://publications.waset.org/abstracts/search?q=scalp" title=" scalp"> scalp</a>, <a href="https://publications.waset.org/abstracts/search?q=partial%20thickness" title=" partial thickness"> partial thickness</a> </p> <a href="https://publications.waset.org/abstracts/155903/comparison-between-partial-thickness-skin-graft-harvesting-from-scalp-and-lower-limb-for-scalp-defect" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/155903.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">94</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2980</span> Review of Modern Gas turbine Blade Cooling Technologies used in Aircraft</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arun%20Prasath%20Subramanian">Arun Prasath Subramanian</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The turbine Inlet Temperature is an important parameter which determines the efficiency of a gas turbine engine. The increase in this parameter is limited by material constraints of the turbine blade.The modern Gas turbine blade has undergone a drastic change from a simple solid blade to a modern multi-pass blade with internal and external cooling techniques. This paper aims to introduce the reader the concept of turbine blade cooling, the classification of techniques and further explain some of the important internal cooling technologies used in a modern gas turbine blade along with the various factors that affect the cooling effectiveness. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=gas%20turbine%20blade" title="gas turbine blade">gas turbine blade</a>, <a href="https://publications.waset.org/abstracts/search?q=cooling%20technologies" title=" cooling technologies"> cooling technologies</a>, <a href="https://publications.waset.org/abstracts/search?q=internal%20cooling" title=" internal cooling"> internal cooling</a>, <a href="https://publications.waset.org/abstracts/search?q=pin-fin%20cooling" title=" pin-fin cooling"> pin-fin cooling</a>, <a href="https://publications.waset.org/abstracts/search?q=jet%20impingement%20cooling" title=" jet impingement cooling"> jet impingement cooling</a>, <a href="https://publications.waset.org/abstracts/search?q=rib%20turbulated%20cooling" title=" rib turbulated cooling"> rib turbulated cooling</a>, <a href="https://publications.waset.org/abstracts/search?q=metallic%20foam%20cooling" title=" metallic foam cooling"> metallic foam cooling</a> </p> <a href="https://publications.waset.org/abstracts/39117/review-of-modern-gas-turbine-blade-cooling-technologies-used-in-aircraft" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39117.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">326</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2979</span> Numerical Simulation of Effect of Various Rib Configurations on Enhancing Heat Transfer of Matrix Cooling Channel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seok%20Min%20Choi">Seok Min Choi</a>, <a href="https://publications.waset.org/abstracts/search?q=Minho%20Bang"> Minho Bang</a>, <a href="https://publications.waset.org/abstracts/search?q=Seuong%20Yun%20Kim"> Seuong Yun Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyungmin%20Lee"> Hyungmin Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Won-Gu%20Joo"> Won-Gu Joo</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyung%20Hee%20Cho"> Hyung Hee Cho</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The matrix cooling channel was used for gas turbine blade cooling passage. The matrix cooling structure is useful for the structure stability however the cooling performance of internal cooling channel was not enough for cooling. Therefore, we designed the rib configurations in the matrix cooling channel to enhance the cooling performance. The numerical simulation was conducted to analyze cooling performance of rib configured matrix cooling channel. Three different rib configurations were used which are vertical rib, angled rib and c-type rib. Three configurations were adopted in two positions of matrix cooling channel which is one fourth and three fourth of channel. The result shows that downstream rib has much higher cooling performance than upstream rib. Furthermore, the angled rib in the channel has much higher cooling performance than vertical rib. This is because; the angled rib improves the swirl effect of matrix cooling channel more effectively. The friction factor was increased with the installation of rib. However, the thermal performance was increased with the installation of rib in the matrix cooling channel. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=matrix%20cooling" title="matrix cooling">matrix cooling</a>, <a href="https://publications.waset.org/abstracts/search?q=rib" title=" rib"> rib</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20transfer" title=" heat transfer"> heat transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20turbine" title=" gas turbine"> gas turbine</a> </p> <a href="https://publications.waset.org/abstracts/80524/numerical-simulation-of-effect-of-various-rib-configurations-on-enhancing-heat-transfer-of-matrix-cooling-channel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/80524.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">466</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2978</span> Synthetic Dermal Template Use in the Reconstruction of a Chronic Scalp Wound</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Stephanie%20Cornish">Stephanie Cornish</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The use of synthetic dermal templates, also known as dermal matrices, such as PolyNovo® Biodegradable Temporising Matrix (BTM), has been well established in the reconstruction of acute wounds with a full thickness defect of the skin. Its use has become common place in the treatment of full thickness burns and is not unfamiliar in the realm of necrotising fasciitis, free flap donor site reconstruction, and the management of acute traumatic wounds. However, the use of dermal templates for more chronic wounds is rare. The authors present the successful use of BTM in the reconstruction of a chronic scalp wound following the excision of a malignancy and multiple previous failed attempts at repair, thus demonstrating the potential for an increased scope of use. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dermal%20template" title="dermal template">dermal template</a>, <a href="https://publications.waset.org/abstracts/search?q=BTM" title=" BTM"> BTM</a>, <a href="https://publications.waset.org/abstracts/search?q=chronic" title=" chronic"> chronic</a>, <a href="https://publications.waset.org/abstracts/search?q=scalp%20wound" title=" scalp wound"> scalp wound</a>, <a href="https://publications.waset.org/abstracts/search?q=reconstruction" title=" reconstruction"> reconstruction</a> </p> <a href="https://publications.waset.org/abstracts/152147/synthetic-dermal-template-use-in-the-reconstruction-of-a-chronic-scalp-wound" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/152147.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">99</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2977</span> Outcome of Comparison between Partial Thickness Skin Graft Harvesting from Scalp and Lower Limb for Scalp Defect: A Clinical Trial Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20Eskandarlou">Mahdi Eskandarlou</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehrdad%20Taghipour"> Mehrdad Taghipour</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Partial-thickness skin graft is the cornerstone for scalp defect repair. Routine donor sites include abdomen, thighs, and buttocks. Given the potential side effects following harvesting from these sites and the potential advantages of harvesting from scalp (broad surface, rapid healing, and better cosmetics results), this study is trying to compare the outcomes of graft harvesting from scalp and lower limb. Methods: This clinical trial is conducted among a sample number of 40 partial thickness graft candidates (20 case and 20 control group) with scalp defect presenting to plastic surgery clinic at Besat Hospital during the time period between 2018 and 2019. Sampling was done by simple randomization using random digit table. Data gathering was performed using a designated checklist. The donor site in case group and control group was scalp and lower limb, respectively. The resultant data were analyzed using chi-squared and t-test and SPPS version 21 (SPSS Statistics for Windows, Version 21.0. Armonk, NY: IBM Corp). Results: Of the total 40 patients participating in this study, 28 patients (70%) were male, and 12 (30%) were female with and mean age of 63.62 ± 09.73 years. Hypertension and diabetes mellitus were the most common comorbidities among patients with basal cell carcinoma (BCC) and trauma being the most common etiology for the defects. There was a statistically meaningful relationship between two groups regarding the etiology of defect (P=0.02). The most common anatomic location of defect for case and control groups was temporal and parietal, respectively. Most of the defects were deep to galea zone. The mean diameter of defect was 24.28 ± 45.37 mm for all of the patients. The difference between diameter of defect in both groups was statistically meaningful, while no such difference between graft diameter was seen. The graft 'Take' was completely successful in both groups according to evaluations. The level of postoperative pain was lower in the case group compared to the control according to VAS scale, and the satisfaction was higher in them per Likert scale. Conclusion: Scalp can safely be used as donor site for skin graft to be used for scalp defects, which is associated with better results and lower complication rates compared to other donor sites. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=donor%20site" title="donor site">donor site</a>, <a href="https://publications.waset.org/abstracts/search?q=leg" title=" leg"> leg</a>, <a href="https://publications.waset.org/abstracts/search?q=partial-thickness%20graft" title=" partial-thickness graft"> partial-thickness graft</a>, <a href="https://publications.waset.org/abstracts/search?q=scalp" title=" scalp"> scalp</a> </p> <a href="https://publications.waset.org/abstracts/127704/outcome-of-comparison-between-partial-thickness-skin-graft-harvesting-from-scalp-and-lower-limb-for-scalp-defect-a-clinical-trial-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/127704.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">152</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2976</span> Mathematical Modeling of District Cooling Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dana%20Alghool">Dana Alghool</a>, <a href="https://publications.waset.org/abstracts/search?q=Tarek%20%20ElMekkawy"> Tarek ElMekkawy</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Haouari"> Mohamed Haouari</a>, <a href="https://publications.waset.org/abstracts/search?q=Adel%20Elomari"> Adel Elomari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> District cooling systems have captured the attentions of many researchers recently due to the enormous benefits offered by such system in comparison with traditional cooling technologies. It is considered a major component of urban cities due to the significant reduction of energy consumption. This paper aims to find the optimal design and operation of district cooling systems by developing a mixed integer linear programming model to minimize the annual total system cost and satisfy the end-user cooling demand. The proposed model is experimented with different cooling demand scenarios. The results of the very high cooling demand scenario are only presented in this paper. A sensitivity analysis on different parameters of the model was performed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Annual%20Cooling%20Demand" title="Annual Cooling Demand">Annual Cooling Demand</a>, <a href="https://publications.waset.org/abstracts/search?q=Compression%20Chiller" title=" Compression Chiller"> Compression Chiller</a>, <a href="https://publications.waset.org/abstracts/search?q=Mathematical%20Modeling" title=" Mathematical Modeling"> Mathematical Modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=District%20Cooling%20Systems" title=" District Cooling Systems"> District Cooling Systems</a>, <a href="https://publications.waset.org/abstracts/search?q=Optimization" title=" Optimization"> Optimization</a> </p> <a href="https://publications.waset.org/abstracts/118677/mathematical-modeling-of-district-cooling-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/118677.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">206</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2975</span> Assessing the Clinicians’ Perspectives on Formulation with Minoxidil, Finasteride, and Capixyl™ in Androgenetic Alopecia: A Nationwide Dermatologist Survey</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sharma%20Aseem">Sharma Aseem</a>, <a href="https://publications.waset.org/abstracts/search?q=Dhurat%20Rachita"> Dhurat Rachita</a>, <a href="https://publications.waset.org/abstracts/search?q=Pawar%20Varsha"> Pawar Varsha</a>, <a href="https://publications.waset.org/abstracts/search?q=Khalse%20Manisha"> Khalse Manisha</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Androgenetic alopecia (AGA) is a prevalent condition characterized by progressive hair thinning driven by genetic and androgen-related factors. The current FDA-approved treatments include oral finasteride and topical minoxidil, though many patients seek combination therapies to enhance results. This study aims to evaluate the effectiveness of a combination therapy involving Minoxidil, Finasteride, and Capixyl™ based on feedback from dermatologists. Methodology: A survey, validated by experts, was distributed to 29 leading dermatologists across India (in Tier 1 and 2 cities). The survey examined real-world clinical experiences, focusing on patient outcomes and the overall effectiveness of the mentioned formulation. Results: Among the surveyed dermatologists, 41.4% identified women aged 35-40 as the most frequently diagnosed with female pattern hair loss. The combination therapy with Minoxidil, Finasteride, and Capixyl™ was utilized by 34.5% of dermatologists for over 60 patients per month. The majority highlighted the benefits of this combination therapy, which acts via multiple mechanisms, such as vasodilation and dihydrotestosterone (DHT) receptor blockade, resulting in improved hair regrowth. Additionally, patients demonstrated better clinical outcomes, enhanced compliance, and fewer side effects. Demographically, younger patients, particularly those with AGA for less than 10 years, responded more positively to the treatment. Early intervention led to quicker and more significant results. Overall satisfaction among dermatologists was high, with 86.2% expressing positive feedback on the therapy. In terms of treatment outcomes, 51.7% of dermatologists observed visible results within 4-6 months, while 34.5% noticed a significant reduction in hair fall within 8-12 weeks. Improvements in scalp health were reported by 48.3%, and 51.7% saw an increased hair density within 3-4 months. Despite mild side effects such as scalp irritation, dryness, flaking, and occasional issues like folliculitis, headaches, itching, and redness, patient satisfaction remained high. Dermatologists reported that 93.1% of patients experienced faster and better hair regrowth with Capixyl™ compared to Minoxidil alone. Suggestions for improving the formulation included incorporating peptides like Saw Palmetto and enhancing product packaging to better meet patient needs. Discussion: The combination of Minoxidil, Finasteride, and Capixyl™ yielded positive clinical outcomes, especially in improving hair density, scalp health, and overall patient satisfaction. Dermatologists found that Capixyl™ peptides enhanced the therapeutic effect, promoting hair regrowth and improving compliance. While side effects were generally mild, there were suggestions to further improve the formulation by adding additional peptides like Saw Palmetto. Conclusion: The combination of Minoxidil and Finasteride fortified with Capixyl™ presents a promising therapeutic option for managing AGA. Dermatologists reported significant improvements in hair density, scalp health, and patient satisfaction. With its favorable efficacy and manageable side effects, this formulation proves to be a valuable addition to the treatment landscape for AGA. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=androgenetic%20alopecia" title="androgenetic alopecia">androgenetic alopecia</a>, <a href="https://publications.waset.org/abstracts/search?q=combination%20therapy" title=" combination therapy"> combination therapy</a>, <a href="https://publications.waset.org/abstracts/search?q=minoxidil" title=" minoxidil"> minoxidil</a>, <a href="https://publications.waset.org/abstracts/search?q=finasteride" title=" finasteride"> finasteride</a>, <a href="https://publications.waset.org/abstracts/search?q=capixyl" title=" capixyl"> capixyl</a> </p> <a href="https://publications.waset.org/abstracts/193209/assessing-the-clinicians-perspectives-on-formulation-with-minoxidil-finasteride-and-capixyl-in-androgenetic-alopecia-a-nationwide-dermatologist-survey" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/193209.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">28</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2974</span> [Keynote Speaker]: Enhancing the Performance of a Photovoltaic Module Using Different Cooling Methods</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Amine%20Hachicha">Ahmed Amine Hachicha</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Temperature effect on the performance of a photovoltaic module is one of the main concern that face this renewable energy, especially in the hot arid region, e.g United Arab Emirates. Overheating of the PV modules reduces the open circuit voltage and the efficiency of the modules dramatically. In this work, water cooling is developed to enhance the performance of PV modules. Different scenarios are tested under UAE weather conditions: front, back and double cooling. A spraying system is used for the front cooling whether a direct contact water system is used for the back cooling. The experimental results are compared to a non-cooling module and the performance of the PV module is determined for different situations. A mathematical model is presented to estimate the theoretical performance and validate the experimental results with and without cooling. The experimental results show that the front cooling is more effective than the back cooling and may decrease the temperature of the PV module significantly. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=PV%20cooling" title="PV cooling">PV cooling</a>, <a href="https://publications.waset.org/abstracts/search?q=solar%20energy" title=" solar energy"> solar energy</a>, <a href="https://publications.waset.org/abstracts/search?q=cooling%20methods" title=" cooling methods"> cooling methods</a>, <a href="https://publications.waset.org/abstracts/search?q=electrical%20efficiency" title=" electrical efficiency"> electrical efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature%20effect" title=" temperature effect"> temperature effect</a> </p> <a href="https://publications.waset.org/abstracts/34166/keynote-speaker-enhancing-the-performance-of-a-photovoltaic-module-using-different-cooling-methods" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34166.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">504</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2973</span> The Aesthetic Reconstruction of Post-Burn Eyebrow Alopecia with Bilateral Superficial Temporal Artery Island Scalp Flap</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kumar%20Y.">Kumar Y.</a>, <a href="https://publications.waset.org/abstracts/search?q=Suman%20D."> Suman D.</a>, <a href="https://publications.waset.org/abstracts/search?q=Sumathi"> Sumathi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Burns to the face account for between one-fourth and one-third of all burns. The loss of an eyebrow due to a burn or infection can have negative physical and psychological consequences for patients because eyebrows have a critical functional and aesthetic role on the face. Plastic surgeons face unique challenges in reconstructing eyebrows due to their complex anatomy and variations within genders. As a general rule, there are three techniques for reconstructing the eyebrow: superficial temporal artery island flap, a composite graft from the scalp, and mini or micro follicular grafts from the scalp. In situations where a sufficient amount of subcutaneous tissue is not available and the defect is big such as the case of burns, flaps like the superficial temporal artery scalp flap remain reliable options. In 2018, a 17-year-old female patient presented to the department of Burns Plastic and reconstructive Surgery of Guru Teg Bahadur Hospital, Delhi, India. A scald-burn injury to the face occurred two years before admission, resulting in bilateral eyebrow loss. We reconstructed the bilateral eyebrows using bilateral scalp island flaps based on the posterior branch of the superficial temporal artery. The reconstructed eyebrows successfully assumed a desirable shape and exhibited a natural appearance, which was consistent with preoperative expectations and the patient stated that she was more comfortable with her social relationships. Among the current treatment procedures, the superficial temporal artery island flap continues to be a versatile option for reconstructing the eyebrows after alopecia, especially in cases of burns. Results: During the 30 days follow-up period, the scalp island flap remained vascularised with normal hair growth, without complications. The reconstructed eyebrows successfully assumed a desirable shape and exhibited a natural appearance; the patient stated that she was more comfortable with her social relationships. Conclusion: In this case report, we demonstrated how scalp island flaps pedicled by the superficial temporal artery could be performed very safely and reliably to create new eyebrows. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=alopecia" title="alopecia">alopecia</a>, <a href="https://publications.waset.org/abstracts/search?q=burns" title=" burns"> burns</a>, <a href="https://publications.waset.org/abstracts/search?q=eyebrow" title=" eyebrow"> eyebrow</a>, <a href="https://publications.waset.org/abstracts/search?q=flap" title=" flap"> flap</a>, <a href="https://publications.waset.org/abstracts/search?q=superficial%20temporal%20artery" title=" superficial temporal artery"> superficial temporal artery</a> </p> <a href="https://publications.waset.org/abstracts/141949/the-aesthetic-reconstruction-of-post-burn-eyebrow-alopecia-with-bilateral-superficial-temporal-artery-island-scalp-flap" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/141949.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">223</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2972</span> Parametric Study on Water-Cooling Plates to Improve Cooling Performance on 18650 Li-Ion Battery</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raksit%20Nanthatanti">Raksit Nanthatanti</a>, <a href="https://publications.waset.org/abstracts/search?q=Jarruwat%20Charoensuk"> Jarruwat Charoensuk</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Hirai"> S. Hirai</a>, <a href="https://publications.waset.org/abstracts/search?q=Manop%20Masomtop"> Manop Masomtop</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, the effect of channel geometry and operating circumstances on a liquid cooling plate for Lithium-ion Battery modules has been investigated Inlet temperature, water velocity, and channel count were the main factors. According to the passage, enhancing the number of cooling channels[2,3,4,6channelperbases] will affect water flow distribution caused by varying the velocity inlet inside the cooling block[0.5,1.0,1.5,2.0 m/sec] and intake temperatures[25,30,35,40oC], The findings indicate that the battery’s temperature drops as the number of channels increases. The maximum battery's operating temperature [45 oC] rises, but ∆t is needed to be less than 5 oC [v≤1m/sec]. Maximum temperature and local temperature difference of the battery change significantly with the change of the velocity inlet in the cooling channel and its thermal conductivity. The results of the simulation will help to increase cooling efficiency on the cooling system for Li-ion Battery based on a Mini channel in a liquid-cooling configuration <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cooling%20efficiency" title="cooling efficiency">cooling efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=channel%20count" title=" channel count"> channel count</a>, <a href="https://publications.waset.org/abstracts/search?q=lithium-ion%20battery" title=" lithium-ion battery"> lithium-ion battery</a>, <a href="https://publications.waset.org/abstracts/search?q=operating" title=" operating"> operating</a> </p> <a href="https://publications.waset.org/abstracts/165565/parametric-study-on-water-cooling-plates-to-improve-cooling-performance-on-18650-li-ion-battery" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/165565.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">105</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2971</span> Optimization Analysis of Controlled Cooling Process for H-Shape Steam Beams</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jiin-Yuh%20Jang">Jiin-Yuh Jang</a>, <a href="https://publications.waset.org/abstracts/search?q=Yu-Feng%20Gan"> Yu-Feng Gan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In order to improve the comprehensive mechanical properties of the steel, the cooling rate, and the temperature distribution must be controlled in the cooling process. A three-dimensional numerical model for the prediction of the heat transfer coefficient distribution of H-beam in the controlled cooling process was performed in order to obtain the uniform temperature distribution and minimize the maximum stress and the maximum deformation after the controlled cooling. An algorithm developed with a simplified conjugated-gradient method was used as an optimizer to optimize the heat transfer coefficient distribution. The numerical results showed that, for the case of air cooling 5 seconds followed by water cooling 6 seconds with uniform the heat transfer coefficient, the cooling rate is 15.5 (℃/s), the maximum temperature difference is 85℃, the maximum the stress is 125 MPa, and the maximum deformation is 1.280 mm. After optimize the heat transfer coefficient distribution in control cooling process with the same cooling time, the cooling rate is increased to 20.5 (℃/s), the maximum temperature difference is decreased to 52℃, the maximum stress is decreased to 82MPa and the maximum deformation is decreased to 1.167mm. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=controlled%20cooling" title="controlled cooling">controlled cooling</a>, <a href="https://publications.waset.org/abstracts/search?q=H-Beam" title=" H-Beam"> H-Beam</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20stress" title=" thermal stress "> thermal stress </a> </p> <a href="https://publications.waset.org/abstracts/62779/optimization-analysis-of-controlled-cooling-process-for-h-shape-steam-beams" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62779.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">374</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2970</span> Thermal Performance and Environmental Assessment of Evaporative Cooling Systems: Case of Mina Valley, Saudi Arabia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20Alharbi">A. Alharbi</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Boukhanouf"> R. Boukhanouf</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Habeebullah"> T. Habeebullah</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Ibrahim"> H. Ibrahim </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents a detailed description of evaporative cooling systems used for space cooling in Mina Valley, Saudi Arabia. The thermal performance and environmental impact of the evaporative coolers were evaluated. It was found that the evaporative cooling systems used for space cooling in pilgrims’ accommodations and in the train stations could reduce energy consumption by as much as 75% and cut carbon dioxide emission by 78% compared to traditional vapour compression systems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=evaporative%20cooling" title="evaporative cooling">evaporative cooling</a>, <a href="https://publications.waset.org/abstracts/search?q=vapor%20compression" title=" vapor compression"> vapor compression</a>, <a href="https://publications.waset.org/abstracts/search?q=electricity%20consumption" title=" electricity consumption"> electricity consumption</a>, <a href="https://publications.waset.org/abstracts/search?q=CO2%20emission" title=" CO2 emission"> CO2 emission</a> </p> <a href="https://publications.waset.org/abstracts/9649/thermal-performance-and-environmental-assessment-of-evaporative-cooling-systems-case-of-mina-valley-saudi-arabia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9649.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">438</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2969</span> Sympathetic Cooling of Antiprotons with Molecular Anions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sebastian%20Gerber">Sebastian Gerber</a>, <a href="https://publications.waset.org/abstracts/search?q=Julian%20Fesel"> Julian Fesel</a>, <a href="https://publications.waset.org/abstracts/search?q=Christian%20Zimmer"> Christian Zimmer</a>, <a href="https://publications.waset.org/abstracts/search?q=Pauline%20Yzombard"> Pauline Yzombard</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Comparat"> Daniel Comparat</a>, <a href="https://publications.waset.org/abstracts/search?q=Michael%20Doser"> Michael Doser</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Molecular anions play a central role in a wide range of fields: from atmospheric and interstellar science, anionic superhalogens to the chemistry of highly correlated systems. However, up to now the synthesis of negative ions in a controlled manner at ultracold temperatures, relevant for the processes in which they are involved, is currently limited to a few Kelvin by supersonic beam expansion followed by resistive, buffer gas or electron cooling in cryogenic environments. We present a realistic scheme for laser cooling of C2- molecules to sub-Kelvin temperatures, which has so far only been achieved for a few neutral diatomic molecules. The generation of a pulsed source of C2- and subsequent laser cooling techniques of C2- molecules confined in a Penning trap are reviewed. Further, laser cooling of one anionic species would allow to sympathetically cool other molecular anions, electrons and antiprotons that are confined in the same trapping potential. In this presentation the status of the experiment and the feasibility of C2- sympathetic Doppler laser cooling, photo-detachment cooling and AC-Stark Sisyphus cooling will be reviewed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antiprotons" title="antiprotons">antiprotons</a>, <a href="https://publications.waset.org/abstracts/search?q=anions" title=" anions"> anions</a>, <a href="https://publications.waset.org/abstracts/search?q=cooling%20of%20ions%20and%20molecules" title=" cooling of ions and molecules"> cooling of ions and molecules</a>, <a href="https://publications.waset.org/abstracts/search?q=Doppler%20cooling" title=" Doppler cooling"> Doppler cooling</a>, <a href="https://publications.waset.org/abstracts/search?q=photo-detachment" title=" photo-detachment"> photo-detachment</a>, <a href="https://publications.waset.org/abstracts/search?q=penning%20trap" title=" penning trap"> penning trap</a>, <a href="https://publications.waset.org/abstracts/search?q=Sisyphus%20cooling" title=" Sisyphus cooling"> Sisyphus cooling</a>, <a href="https://publications.waset.org/abstracts/search?q=sympathetic%20cooling" title=" sympathetic cooling"> sympathetic cooling</a> </p> <a href="https://publications.waset.org/abstracts/60744/sympathetic-cooling-of-antiprotons-with-molecular-anions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60744.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">385</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2968</span> Research and Development of Intelligent Cooling Channels Design System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Q.%20Niu">Q. Niu</a>, <a href="https://publications.waset.org/abstracts/search?q=X.%20H.%20Zhou"> X. H. Zhou</a>, <a href="https://publications.waset.org/abstracts/search?q=W.%20Liu"> W. Liu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The cooling channels of injection mould play a crucial role in determining the productivity of moulding process and the product quality. It’s not a simple task to design high quality cooling channels. In this paper, an intelligent cooling channels design system including automatic layout of cooling channels, interference checking and assembly of accessories is studied. Automatic layout of cooling channels using genetic algorithm is analyzed. Through integrating experience criteria of designing cooling channels, considering the factors such as the mould temperature and interference checking, the automatic layout of cooling channels is implemented. The method of checking interference based on distance constraint algorithm and the function of automatic and continuous assembly of accessories are developed and integrated into the system. Case studies demonstrate the feasibility and practicality of the intelligent design system. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=injection%20mould" title="injection mould">injection mould</a>, <a href="https://publications.waset.org/abstracts/search?q=cooling%20channel" title=" cooling channel"> cooling channel</a>, <a href="https://publications.waset.org/abstracts/search?q=intelligent%20design" title=" intelligent design"> intelligent design</a>, <a href="https://publications.waset.org/abstracts/search?q=automatic%20layout" title=" automatic layout"> automatic layout</a>, <a href="https://publications.waset.org/abstracts/search?q=interference%20checking" title=" interference checking"> interference checking</a> </p> <a href="https://publications.waset.org/abstracts/11809/research-and-development-of-intelligent-cooling-channels-design-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11809.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">444</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2967</span> The Effect of Window Position and Ceiling Height on Cooling Load in Architectural Studio</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seyedehzahra%20Mirrahimi">Seyedehzahra Mirrahimi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper investigates the effect of variations in window and ceiling heights on cooling inside an architectural training studio with a full-width window. For architectural training, students use the studio more often than they use ordinary classrooms. Therefore, studio dimensions and size, and the window position, directly influence the cooling load. Energy for cooling is one of the most expensive costs in the studio because of the high activity levels of students during the warm season. The methodology of analysis involves measuring energy changes in the Energy Plus <EP> software in Kish Island. It was proved that the cooling energy in an architecture studio can be increased by changing window levels and ceiling heights to add a range of cooling energy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cooling%20energy" title="cooling energy">cooling energy</a>, <a href="https://publications.waset.org/abstracts/search?q=Energy%20Plus" title=" Energy Plus"> Energy Plus</a>, <a href="https://publications.waset.org/abstracts/search?q=studio%20classroom" title=" studio classroom"> studio classroom</a>, <a href="https://publications.waset.org/abstracts/search?q=window%20position" title=" window position"> window position</a> </p> <a href="https://publications.waset.org/abstracts/116834/the-effect-of-window-position-and-ceiling-height-on-cooling-load-in-architectural-studio" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/116834.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">293</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2966</span> Telogen Effluvium: A Modern Hair Loss Concern and the Interventional Strategies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chettyparambil%20Lalchand%20Thejalakshmi">Chettyparambil Lalchand Thejalakshmi</a>, <a href="https://publications.waset.org/abstracts/search?q=Sonal%20Sabu%20Edattukaran"> Sonal Sabu Edattukaran</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Hair loss is one of the main issues that contemporary society is dealing with. It can be attributable to a wide range of factors, listing from one's genetic composition and the anxiety we experience on a daily basis. Telogen effluvium [TE] is a condition that causes temporary hair loss after a stressor that might shock the body and cause the hair follicles to temporarily rest, leading to hair loss. Most frequently, women are the ones who bring up these difficulties. Extreme illness or trauma, an emotional or important life event, rapid weight loss and crash dieting, a severe scalp skin problem, a new medication, or ceasing hormone therapy are examples of potential causes. Men frequently do not notice hair thinning with time, but women with long hair may be easily identified when shedding, which can occasionally result in bias because women tend to be more concerned with aesthetics and beauty standards of the society, and approach frequently with the concerns .The woman, who formerly possessed a full head of hair, is worried about the hair loss from her scalp . There are several cases of hair loss reported every day, and Telogen effluvium is said to be the most prevalent one of them all without any hereditary risk factors. While the patient has loss in hair volume, baldness is not the result of this problem . The exponentially growing Dermatology and Aesthetic medical division has discovered that this problem is the most common and also the easiest to cure since it is feasible for these people to regrow their hair, unlike those who have scarring alopecia, in which the follicle itself is damaged and non-viable. Telogen effluvium comes in two different forms: acute and chronic. Acute TE occurs in all the age groups with a hair loss of less than three months, while chronic TE is more common in those between the ages of 30 and 60 with a hair loss of more than six months . Both kinds are prevalent throughout all age groups, regardless of the predominance. It takes between three and six months for the lost hair to come back, although this condition is readily reversed by eliminating stresses. After shedding their hair, patients frequently describe having noticeable fringes on their forehead. The current medical treatments for this condition include topical corticosteroids, systemic corticosteroids, minoxidil and finasteride, CNDPA (caffeine, niacinamide, panthenol, dimethicone, and an acrylate polymer) .Individual terminal hair growth was increased by 10% as a result of the innovative intervention CNDPA. Botulinum Toxin A, Scalp Micro Needling, Platelet Rich Plasma Therapy [PRP], and sessions with Multivitamin Mesotherapy Injections are some recently enhanced techniques with partially or completely reversible hair loss. Also, it has been shown that supplements like Nutrafol and Biotin are producing effective outcomes. There is virtually little evidence to support the claim that applying sulfur-rich ingredients to the scalp, such as onion juice, can help TE patients' hair regenerate. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dermatology" title="dermatology">dermatology</a>, <a href="https://publications.waset.org/abstracts/search?q=telogen%20effluvium" title=" telogen effluvium"> telogen effluvium</a>, <a href="https://publications.waset.org/abstracts/search?q=hair%20loss" title=" hair loss"> hair loss</a>, <a href="https://publications.waset.org/abstracts/search?q=modern%20hair%20loass%20treatments" title=" modern hair loass treatments"> modern hair loass treatments</a> </p> <a href="https://publications.waset.org/abstracts/164548/telogen-effluvium-a-modern-hair-loss-concern-and-the-interventional-strategies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/164548.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">93</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2965</span> 3D CFD Modelling of the Airflow and Heat Transfer in Cold Room Filled with Dates </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zina%20Ghiloufi">Zina Ghiloufi</a>, <a href="https://publications.waset.org/abstracts/search?q=Tahar%20Khir"> Tahar Khir</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A transient three-dimensional computational fluid dynamics (CFD) model is developed to determine the velocity and temperature distribution in different positions cold room during pre-cooling of dates. The turbulence model used is the k-ω Shear Stress Transport (SST) with the standard wall function, the air. The numerical results obtained show that cooling rate is not uniform inside the room; the product at the medium of room has a slower cooling rate. This cooling heterogeneity has a large effect on the energy consumption during cold storage. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CFD" title="CFD">CFD</a>, <a href="https://publications.waset.org/abstracts/search?q=cold%20room" title=" cold room"> cold room</a>, <a href="https://publications.waset.org/abstracts/search?q=cooling%20rate" title=" cooling rate"> cooling rate</a>, <a href="https://publications.waset.org/abstracts/search?q=dDates" title=" dDates"> dDates</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20simulation" title=" numerical simulation"> numerical simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=k-%CF%89%20%28SST%29" title=" k-ω (SST)"> k-ω (SST)</a> </p> <a href="https://publications.waset.org/abstracts/90986/3d-cfd-modelling-of-the-airflow-and-heat-transfer-in-cold-room-filled-with-dates" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/90986.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">243</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2964</span> Investigation on the Cooling Performance of Cooling Channels Fabricated via Selective Laser Melting for Injection Molding</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Changyong%20Liu">Changyong Liu</a>, <a href="https://publications.waset.org/abstracts/search?q=Junda%20Tong"> Junda Tong</a>, <a href="https://publications.waset.org/abstracts/search?q=Feng%20Xu"> Feng Xu</a>, <a href="https://publications.waset.org/abstracts/search?q=Ninggui%20Huang"> Ninggui Huang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the injection molding process, the performance of cooling channels is crucial to the part quality. Through the application of conformal cooling channels fabricated via metal additive manufacturing, part distortion, warpage can be greatly reduced and cycle time can be greatly shortened. However, the properties of additively manufactured conformal cooling channels are quite different from conventional drilling processes such as the poorer dimensional accuracy and larger surface roughness. These features have significant influences on its cooling performance. In this study, test molds with the cooling channel diameters of φ2 mm, φ3 mm and φ4 mm were fabricated via selective laser melting and conventional drilling process respectively. A test system was designed and manufactured to measure the pressure difference between the channel inlet and outlet, the coolant flow rate and the temperature variation during the heating process. It was found that the cooling performance of SLM-fabricated channels was poorer than drilled cooling channels due to the smaller sectional area of cooling channels resulted from the low dimensional accuracy and the unmolten particles adhered to the channel surface. Theoretical models were established to determine the friction factor and heat transfer coefficient of SLM-fabricated cooling channels. These findings may provide guidance to the design of conformal cooling channels. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=conformal%20cooling%20channels" title="conformal cooling channels">conformal cooling channels</a>, <a href="https://publications.waset.org/abstracts/search?q=selective%20laser%20melting" title=" selective laser melting"> selective laser melting</a>, <a href="https://publications.waset.org/abstracts/search?q=cooling%20performance" title=" cooling performance"> cooling performance</a>, <a href="https://publications.waset.org/abstracts/search?q=injection%20molding" title=" injection molding"> injection molding</a> </p> <a href="https://publications.waset.org/abstracts/102200/investigation-on-the-cooling-performance-of-cooling-channels-fabricated-via-selective-laser-melting-for-injection-molding" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/102200.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">156</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2963</span> Assessment of Power Formation in Gas Turbine Power Plants Using Different Inlet Air Cooling Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nikhil%20V.%20Nayak">Nikhil V. Nayak</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, the influence of air cooling intake on the gas turbine performance is presented. A comparison among different cooling systems, i.e., evaporative and cooling coil, is performed. A computer simulation model for the employed systems is developed in order to evaluate the performance of the studied gas turbine unit, at Marka Power Station, Amman, Bangalore. The performance characteristics are examined for a set of actual operational parameters including ambient temperature, relative humidity, turbine inlet temperature, pressure ratio, etc. The obtained results showed that the evaporative cooling system is capable of boosting the power and enhancing the efficiency of the studied gas turbine unit in a way much cheaper than cooling coil system due to its high power consumption required to run the vapor-compression refrigeration unit. Nevertheless, it provides full control on the temperature inlet conditions regardless of the relative humidity ratio. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=power%20augmentation" title="power augmentation">power augmentation</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature%20control" title=" temperature control"> temperature control</a>, <a href="https://publications.waset.org/abstracts/search?q=evaporative%20cooling" title=" evaporative cooling"> evaporative cooling</a>, <a href="https://publications.waset.org/abstracts/search?q=cooling%20coil" title=" cooling coil"> cooling coil</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20turbine" title=" gas turbine "> gas turbine </a> </p> <a href="https://publications.waset.org/abstracts/14670/assessment-of-power-formation-in-gas-turbine-power-plants-using-different-inlet-air-cooling-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14670.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">388</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2962</span> Arsenic and Mercury Levels in Scalp Hair of School Children of Three Villages in Kandal Province, Cambodia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alireza%20Yavar">Alireza Yavar</a>, <a href="https://publications.waset.org/abstracts/search?q=Sukiman%20Sarmani"> Sukiman Sarmani</a>, <a href="https://publications.waset.org/abstracts/search?q=Khoo%20Kok%20Siong"> Khoo Kok Siong</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The residents of villages in Kandal province of Cambodia, because of dietary habits, lifestyle and ecological conditions, are exposed to toxic elements like arsenic (As) and mercury (Hg). For comparison purpose, scalp hair samples of 12-17 school children from three villages of Anglong Romiot (AR), Svay Romiot (SR) and Kampong Kong (KK) in Kandal province of Cambodia were considered using k0- instrumental neutron activation method (k0-INAA). The samples irradiated 6 hours with 750 kW power in Malaysian nuclear agency (MNA) research reactor and subsequently found gamma peaks of radionuclides in samples using HPGe detector. The average values of arsenic and mercury were 0.0 and 3.52 (mg/kg) in AR; 1.88 and 4.26 (mg/kg) in SR; 2.81 and 3.37 (mg/kg) in KK, respectively. The results indicate KK, SR, and AR villages were in high, medium and control level of arsenic pollution, respectively. However, Hg concentration were highest in SR, then KK and AR villages, respectively. The accuracy of the method was assessed by analyzing ERM-DB001-human hair as certified reference materials (CRMs), which experimental result of ERM-DB001 was consistent with certified values. In addition, correlation between As and Hg levels was found by Pearson’s correlation test. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kandal%20province%20of%20Cambodia" title="Kandal province of Cambodia">Kandal province of Cambodia</a>, <a href="https://publications.waset.org/abstracts/search?q=k0-%20instrumental%20neutron%20activation%20method." title=" k0- instrumental neutron activation method."> k0- instrumental neutron activation method.</a>, <a href="https://publications.waset.org/abstracts/search?q=scalp%20human%20hair" title=" scalp human hair"> scalp human hair</a>, <a href="https://publications.waset.org/abstracts/search?q=arsenic%20and%20mercury" title=" arsenic and mercury"> arsenic and mercury</a> </p> <a href="https://publications.waset.org/abstracts/155707/arsenic-and-mercury-levels-in-scalp-hair-of-school-children-of-three-villages-in-kandal-province-cambodia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/155707.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">103</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2961</span> Comparative Therapeutic Potential of 'Green Synthesized' Antimicrobials against Scalp Infections</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=D.%20Desai">D. Desai</a>, <a href="https://publications.waset.org/abstracts/search?q=J.Dixon"> J.Dixon</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Jain"> N. Jain</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Datta"> M. Datta</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Microbial infections of scalp consist of symptomatic appearances associated with seborrhoeic dermatitis, folliculitis, furuncles, carbuncles and ringworm. The main causative organisms in these scalp-based infections are bacteria like S. aureus, P. aeruginosa and a fungus M. Furfur. Allopathic treatment of these infections is available and efficient, but occasionally, topical applications have been found to cause side effects. India is known as the botanical garden of the world and considered as the epicentre for utilization of traditional drugs. Many treatments based on herb extracts are commonly used in India. It has been observed treatment with ethnomedicines requires a higher dosage and greater time period. Additionally, repeated applications are required to obtain the full efficacy of the treatment. An attempt has been made to imbibe the traditional knowledge with nanotechnology to generate a proficient therapeutic against scalp infections. We have imbibed metallic nanoparticles with extracts from traditional medicines and propose to formulate an antimicrobial hair massager. Four commonly used herbs for treatment against scalp disorders like Zingiber officinale (ginger), Allium sativum (garlic), Azadirachta indica (neem) leaves and Citrus limon (lemon) peel was taken. 30 gms of dried homogenized powder was obtained and processed for obtaining the aqueous and ethanolic extract by soxhlet apparatus. The extract was dried and reconstituted to obtain working solution of 1mg/ml. Phytochemical analysis for the obtained extract was done. Synthesis of nanoparticles was mediated by incubating 1mM silver nitrate with extracts of various herbs to obtain silver nanoparticles. The formation of the silver nanoparticles (AgNPs) was monitored using UV-Vis spectroscopy. The AgNPs thus obtained were centrifuged and dried. The AgNPs thus formed were characterized by X Ray Diffraction, scanning electron microscopy and transmission electron microscopy. The size of the AgNPs varied from 10-20 nm and was spherical in shape. P. aeruginosa was plated on nutrient agar and comparative antibacterial activity was tested. Comparative antimicrobial potential was calculated for the extracts and the corresponding nanoconstructs. It was found AgNPs were more efficient than their aqueous and ethanolic counterparts except in the ase of C. limon. Statistical analysis was performed to validate the results obtained. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ethnomedicine" title="ethnomedicine">ethnomedicine</a>, <a href="https://publications.waset.org/abstracts/search?q=nanoconstructs" title=" nanoconstructs"> nanoconstructs</a>, <a href="https://publications.waset.org/abstracts/search?q=scalp%20infections" title=" scalp infections"> scalp infections</a>, <a href="https://publications.waset.org/abstracts/search?q=Zingiber%20officinale" title=" Zingiber officinale"> Zingiber officinale</a> </p> <a href="https://publications.waset.org/abstracts/47094/comparative-therapeutic-potential-of-green-synthesized-antimicrobials-against-scalp-infections" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47094.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">371</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2960</span> Appraisal of Trace Elements in Scalp Hair of School Children in Kandal Province, Cambodia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alireza%20Yavar">Alireza Yavar</a>, <a href="https://publications.waset.org/abstracts/search?q=Sukiman%20Sarmani"> Sukiman Sarmani</a>, <a href="https://publications.waset.org/abstracts/search?q=Kok%20Siong%20Khoo"> Kok Siong Khoo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Trace element analysis of human hair has the potential to disclose retroactive information about an individual’s nutritional status and exposure. The residents of villages in Kandal province of Cambodia, due to dietary habits, lifestyle and ecological conditions, are unprotected from toxic elements particularly arsenic (As). The purpose of this research was to valuation levels of toxic and vital elements in scalp human hair. Scalp hair samples of 12-17 school children from three villages of Anglong Romiot (AR), Svay Romiot (SR) and Kampong Kong (KK) in the Kandal province of Cambodia were evaluated using k0- instrumental neutron activation method (k0-INAA). The samples were irradiated 6 hours in a Malaysian nuclear agency (MNA) research reactor and afterward, an HPGe detector was utilized to obtain gamma peaks of radionuclides in samples. We achieved profiles of 31 elements in human hair in our studied area, namely, As, Au, Br, Ca, Ce, Co, Dy, Eu152m, Hg197, Hg203, Ho, Ir, K, La, Lu, Mn, Na, Pa, Pt195m, Pt197, Sb, Sc46, Sc47, Sm, Sn117m, W181, W187, Yb169, Yb175, Zn and Zn69m. The precision of the method was assessed by evaluating ERM-DB001-human hair as certified reference materials (CRMs), and which experimental result of ERM-DB001 was consistent with certified values. Whereas Arsenic (As) pollution is major contamination in our studied area, correlation between the concentration of As and other elements were determined by Pearson’s correlation test that it may be useful as a database source for toxic and essential elements in the hair of teenage individuals in our studied area <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=scalp%20human%20hair" title="scalp human hair">scalp human hair</a>, <a href="https://publications.waset.org/abstracts/search?q=toxic%20and%20essential%20elements" title=" toxic and essential elements"> toxic and essential elements</a>, <a href="https://publications.waset.org/abstracts/search?q=Kandal%20province%20of%20Cambodia" title=" Kandal province of Cambodia"> Kandal province of Cambodia</a>, <a href="https://publications.waset.org/abstracts/search?q=k%E2%82%80-%20instrumental%20neutron%20activation%20method" title=" k₀- instrumental neutron activation method"> k₀- instrumental neutron activation method</a> </p> <a href="https://publications.waset.org/abstracts/155709/appraisal-of-trace-elements-in-scalp-hair-of-school-children-in-kandal-province-cambodia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/155709.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">123</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2959</span> Effect of Film Cooling on Gas-Turbine Engine Turbine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Burak%20Kaplan">Burak Kaplan</a>, <a href="https://publications.waset.org/abstracts/search?q=%C3%9Cnver%20Kaynak"> Ünver Kaynak</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Gas turbine engines, crucial for modern aviation and power generation, rely on the efficient operation of turbine blades. However, extreme temperatures and pressures can lead to material degradation and failure. Film cooling, a widely employed technique, injects a coolant onto the blade surface to mitigate the effects of hot gas exposure. This research investigates the impact of film cooling on gas turbine engine performance, focusing on its influence on efficiency, longevity, and overall engine performance. Through a comprehensive literature review, computational fluid dynamics simulations, and thermal performance analysis, this study aims to provide insights into optimizing film cooling configurations for enhanced engine performance. The research explores the thermal performance characteristics of turbine blades with and without film cooling, the influence of various film cooling techniques on engine efficiency, and the design factors that optimize film cooling effectiveness. The findings of this study have the potential to contribute to the development of more efficient and reliable gas turbine engines, ultimately advancing the field of gas turbine technology. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=gas%20turbine" title="gas turbine">gas turbine</a>, <a href="https://publications.waset.org/abstracts/search?q=engine" title=" engine"> engine</a>, <a href="https://publications.waset.org/abstracts/search?q=cooling" title=" cooling"> cooling</a>, <a href="https://publications.waset.org/abstracts/search?q=blade" title=" blade"> blade</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a> </p> <a href="https://publications.waset.org/abstracts/195371/effect-of-film-cooling-on-gas-turbine-engine-turbine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/195371.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">20</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2958</span> Control Strategy of Solar Thermal Cooling System under the Indonesia Climate</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Budihardjo%20Sarwo%20Sastrosudiro">Budihardjo Sarwo Sastrosudiro</a>, <a href="https://publications.waset.org/abstracts/search?q=Arnas%20Lubis"> Arnas Lubis</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Idrus%20Alhamid"> Muhammad Idrus Alhamid</a>, <a href="https://publications.waset.org/abstracts/search?q=Nasruddin%20Jusuf"> Nasruddin Jusuf</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Solar thermal cooling system was installed on Mechanical Research Center (MRC) Building that is located in Universitas Indonesia, Depok, Indonesia. It is the first cooling system in Indonesia that utilizes solar energy as energy input combined with natural gas; therefore, the control system must be appropriated with the climates. In order to stabilize the cooling capacity and also to maximize the use of solar energy, the system applies some controllers. Constant flow rate and on/off controller are applied for the hot water, chilled water and cooling water pumps. The hot water circulated by pump when the solar radiation is over than 400W/m<sup>2</sup>, and the chilled water is continually circulated by pump and its temperature is kept constant 7 °C by absorption chiller. The cooling water is also continually circulated until the outlet temperature of cooling tower below than 27 <sup>o</sup>C. Furthermore, the three-way valve is used to control the hot water for generate vapor on absorption chiller. The system performance using that control system is shown in this study results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=absorption%20chiller" title="absorption chiller">absorption chiller</a>, <a href="https://publications.waset.org/abstracts/search?q=control%20system" title=" control system"> control system</a>, <a href="https://publications.waset.org/abstracts/search?q=solar%20cooling" title=" solar cooling"> solar cooling</a>, <a href="https://publications.waset.org/abstracts/search?q=solar%20energy" title=" solar energy"> solar energy</a> </p> <a href="https://publications.waset.org/abstracts/43453/control-strategy-of-solar-thermal-cooling-system-under-the-indonesia-climate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43453.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">279</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2957</span> CFD Simulation on Gas Turbine Blade and Effect of Twisted Hole Shape on Film Cooling Effectiveness</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Thulodin%20Mat%20Lazim">Thulodin Mat Lazim</a>, <a href="https://publications.waset.org/abstracts/search?q=Aminuddin%20Saat"> Aminuddin Saat</a>, <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Fakhir%20Abdulwahid"> Ammar Fakhir Abdulwahid</a>, <a href="https://publications.waset.org/abstracts/search?q=Zaid%20Sattar%20Kareem"> Zaid Sattar Kareem </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Film cooling is one of the cooling systems investigated for the application to gas turbine blades. Gas turbines use film cooling in addition to turbulence internal cooling to protect the blades outer surface from hot gases. The present study concentrates on the numerical investigation of film cooling performance for a row of twisted cylindrical holes in modern turbine blade. The adiabatic film effectiveness and the heat transfer coefficient are determined numerical on a flat plate downstream of a row of inclined different cross section area hole exit by using Computational Fluid Dynamics (CFD). The swirling motion of the film coolant was induced the twisted angle of film cooling holes, which inclined an angle of α toward the vertical direction and surface of blade turbine. The holes angle α of the impingement mainstream was changed from 90°, 65°, 45°, 30° and 20°. The film cooling effectiveness on surface of blade turbine wall was measured by using 3D Computational Fluid Dynamics (CFD). Results showed that the effectiveness of rectangular twisted hole has the effectiveness among other cross section area of the hole at blowing ratio (0.5, 1, 1.5 and 2). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=turbine%20blade%20cooling" title="turbine blade cooling">turbine blade cooling</a>, <a href="https://publications.waset.org/abstracts/search?q=film%20cooling" title=" film cooling"> film cooling</a>, <a href="https://publications.waset.org/abstracts/search?q=geometry%20shape%20of%20hole" title=" geometry shape of hole"> geometry shape of hole</a>, <a href="https://publications.waset.org/abstracts/search?q=turbulent%20flow" title=" turbulent flow"> turbulent flow</a> </p> <a href="https://publications.waset.org/abstracts/6868/cfd-simulation-on-gas-turbine-blade-and-effect-of-twisted-hole-shape-on-film-cooling-effectiveness" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6868.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">546</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2956</span> Alternative Biocides to Reduce Algal Fouling in Seawater Industrial Cooling Towers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Al-Bloushi">Mohammed Al-Bloushi</a>, <a href="https://publications.waset.org/abstracts/search?q=Sanghyun%20Jeong"> Sanghyun Jeong</a>, <a href="https://publications.waset.org/abstracts/search?q=Torove%20Leiknes"> Torove Leiknes </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Biofouling in the open recirculating cooling water systems may cause biological corrosion, which can reduce the performance, increase the energy consummation and lower heat exchange efficiencies of the cooling tower. Seawater cooling towers are prone to biofouling due to the presences of organic and inorganic compounds in the seawater. The availability of organic and inorganic nutrients, along with sunlight and continuous aeration of the cooling tower contributes to an environment that is ideal for microbial growth. Various microorganisms (algae, fungi, and bacteria) can grow in a cooling tower system under certain environmental conditions. The most commonly being used method to control the biofouling in the cooling tower is the addition of biocides such as chlorination. In this study, algae containing diatom and green algae were added to the cooling tower basin, and its viability was monitored in the recirculating cooling seawater loop as well as in the cooling tower basin. Continuous addition of biocides was employed in pilot-scale seawater cooling towers, and it was operated continuously for 2 months. Three different types of oxidizing biocides, namely chlorine, chlorine dioxide and ozone, were tested. The results showed that all biocides were effective in keeping the biological growth to the minimum regardless of algal addition. Amongst the biocides, ozone could reduce 99% of total live cells of bacteria and algae, followed by chlorine dioxide at 97%, while the conventional chlorine showed only 89% reduction in the bioactivities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=algae" title="algae">algae</a>, <a href="https://publications.waset.org/abstracts/search?q=biocide" title=" biocide"> biocide</a>, <a href="https://publications.waset.org/abstracts/search?q=biofouling" title=" biofouling"> biofouling</a>, <a href="https://publications.waset.org/abstracts/search?q=seawater%20cooling%20tower" title=" seawater cooling tower"> seawater cooling tower</a> </p> <a href="https://publications.waset.org/abstracts/74335/alternative-biocides-to-reduce-algal-fouling-in-seawater-industrial-cooling-towers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/74335.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">244</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2955</span> Part Performance Improvement through Design Optimisation of Cooling Channels in the Injection Moulding Process</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20A.%20Alhubail">M. A. Alhubail</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20I.%20Alateyah"> A. I. Alateyah</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Alenezi"> D. Alenezi</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Aldousiri"> B. Aldousiri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study conformal cooling channel (CCC) was employed to dissipate heat of, Polypropylene (PP) parts injected into the Stereolithography (SLA) insert to form tensile and flexural test specimens. The direct metal laser sintering (DMLS) process was used to fabricate a mould with optimised CCC, while optimum parameters of injection moulding were obtained using Optimal-D. The obtained results show that optimisation of the cooling channel layout using a DMLS mould has significantly shortened cycle time without sacrificing the part’s mechanical properties. By applying conformal cooling channels, the cooling time phase was reduced by 20 seconds, and also defected parts were eliminated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=optimum%20parameters" title="optimum parameters">optimum parameters</a>, <a href="https://publications.waset.org/abstracts/search?q=injection%20moulding" title=" injection moulding"> injection moulding</a>, <a href="https://publications.waset.org/abstracts/search?q=conformal%20cooling%20channels" title=" conformal cooling channels"> conformal cooling channels</a>, <a href="https://publications.waset.org/abstracts/search?q=cycle%20time" title=" cycle time"> cycle time</a> </p> <a href="https://publications.waset.org/abstracts/44273/part-performance-improvement-through-design-optimisation-of-cooling-channels-in-the-injection-moulding-process" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44273.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">234</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2954</span> Energy Saving Potential of a Desiccant-Based Indirect-Direct Evaporative Cooling System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amirreza%20Heidari">Amirreza Heidari</a>, <a href="https://publications.waset.org/abstracts/search?q=Akram%20Avami"> Akram Avami</a>, <a href="https://publications.waset.org/abstracts/search?q=Ehsan%20Heidari"> Ehsan Heidari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Evaporative cooling systems are known as energy efficient cooling systems, with much lower electricity consumption than conventional vapor compression systems. A serious limitation of these systems, however, is that they are not applicable in humid regions. Combining a desiccant wheel with these systems, known as desiccant-based evaporative cooling systems, makes it possible to use evaporative cooling in humid climates. This paper evaluates the performane of a cooling system combining desiccant wheel, direct and indirect evaporative coolers (called desiccant-based indirect-direct evaporative cooling (DIDE) system) and then evaluates the energy saving potential of this system over the conventional vapor compression cooling and drying system. To illustrate the system ability of providing comfort conditions, a dynamic hourly simulation of this system is performed for a typical 60 m² building in Sydney, Australia. To evaluate the energy saving potential of this system, a conventional cooling and drying system is also simulated for the same cooling capacity. It has been found that the DIE system is able to provide comfort temperature and relative humidity in a subtropical humid climate like Sydney. The electricity and natural gas consumption of this system are respectively 39.2% and 2.6% lower than that of conventional system over a week. As the research has demonstrated, the innovative DIDE system is an energy efficient cooling system for subtropical humid regions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=desiccant" title="desiccant">desiccant</a>, <a href="https://publications.waset.org/abstracts/search?q=evaporative%20cooling" title=" evaporative cooling"> evaporative cooling</a>, <a href="https://publications.waset.org/abstracts/search?q=dehumidification" title=" dehumidification"> dehumidification</a>, <a href="https://publications.waset.org/abstracts/search?q=indirect%20evaporative%20cooler" title=" indirect evaporative cooler"> indirect evaporative cooler</a> </p> <a href="https://publications.waset.org/abstracts/102350/energy-saving-potential-of-a-desiccant-based-indirect-direct-evaporative-cooling-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/102350.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">159</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2953</span> Numerical Analysis of Internal Cooled Turbine Blade Using Conjugate Heat Transfer</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bhavesh%20N.%20Bhatt">Bhavesh N. Bhatt</a>, <a href="https://publications.waset.org/abstracts/search?q=Zozimus%20D.%20Labana"> Zozimus D. Labana </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work is mainly focused on the analysis of heat transfer of blade by using internal cooling method. By using conjugate heat transfer technology we can effectively compute the cooling and heat transfer analysis of blade. Here blade temperature is limited by materials melting temperature. By using CFD code, we will analyze the blade cooling with the help of CHT method. There are two types of CHT methods. In the first method, we apply coupled CHT method in which all three domains modeled at once, and in the second method, we will first model external domain and then, internal domain of cooling channel. Ten circular cooling channels are used as a cooling method with different mass flow rate and temperature value. This numerical simulation is applied on NASA C3X turbine blade, and results are computed. Here results are showing good agreement with experimental results. Temperature and pressure are high at the leading edge of the blade on stagnation point due to its first faces the flow. On pressure side, shock wave is formed which also make a sudden change in HTC and other parameters. After applying internal cooling, we are succeeded in reducing the metal temperature of blade by some extends. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=gas%20turbine" title="gas turbine">gas turbine</a>, <a href="https://publications.waset.org/abstracts/search?q=conjugate%20heat%20transfer" title=" conjugate heat transfer"> conjugate heat transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=NASA%20C3X%20Blade" title=" NASA C3X Blade"> NASA C3X Blade</a>, <a href="https://publications.waset.org/abstracts/search?q=circular%20film%20cooling%20channel" title=" circular film cooling channel"> circular film cooling channel</a> </p> <a href="https://publications.waset.org/abstracts/87587/numerical-analysis-of-internal-cooled-turbine-blade-using-conjugate-heat-transfer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/87587.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">340</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=scalp%20cooling%20therapy&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=scalp%20cooling%20therapy&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=scalp%20cooling%20therapy&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=scalp%20cooling%20therapy&page=5">5</a></li> <li class="page-item"><a class="page-link" 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