Applied Mechanics and Materials Vol. 913

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Mechanics and Materials Vol. 913</span></div> <div class="page-name-block underline-begin"> <h1 class="page-name-block-text">Applied Mechanics and Materials Vol. 913</h1> </div> <div class="clearfix title-details"> <div class="papers-block-info col-lg-12"> <div class="row"> <div class="info-row-name normal-text-gray col-md-2 col-sm-3 col-xs-4"> <div class="row"> <p>DOI:</p> </div> </div> <div class="info-row-content semibold-middle-text col-md-10 col-sm-9 col-xs-8"> <div class="row"> <p><a href="https://doi.org/10.4028/v-gw3392">https://doi.org/10.4028/v-gw3392</a></p> </div> </div> </div> </div> <div id="titleMarcXmlLink" style="display: none" class="papers-block-info col-lg-12"> <div class="row"> <div class="info-row-name normal-text-gray col-md-2 col-sm-3 col-xs-4"> <div class="row"> <p>Export:</p> </div> </div> <div class="info-row-content semibold-middle-text col-md-10 col-sm-9 col-xs-8"> <div class="row"> <p><a href="/AMM.913/marc.xml">MARCXML</a></p> </div> </div> </div> </div> <div class="papers-block-info col-lg-12"> <div class="row"> <div class="info-row-name normal-text-gray col-md-2 col-sm-3 col-xs-4"> <div class="row"> <p>ToC:</p> </div> </div> <div class="info-row-content semibold-middle-text col-md-10 col-sm-9 col-xs-8"> <div class="row"> <p><a href="/AMM.913_toc.pdf">Table of Contents</a></p> </div> </div> </div> </div> </div> <div class="volume-tabs"> </div> <div class=""> <div class="volume-papers-page"> <div class="block-search-pagination clearfix"> <div class="block-search-volume"> <input id="paper-search" type="search" placeholder="Search" maxlength="65"> </div> <div class="pagination-container"><ul class="pagination"><li class="active"><span>1</span></li><li><a href="/AMM.913/2">2</a></li><li class="PagedList-skipToNext"><a href="/AMM.913/2" rel="next">></a></li></ul></div> </div> <div class="block-volume-title normal-text-gray"> <p> Paper Title <span>Page</span> </p> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.913.-3">Preface</a> </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.913.3">Piezoelectric Patches for Deflection Control of Functionally Graded Carbon Nanotube-Reinforced Composite Plates</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Madjid Ezzraimi, Mohammed Essidik Lazar, Rachid Tiberkak, Yasser Chiker, Morad Bachene, Said Rechak </div> </div> <div id="abstractTextBlock590135" class="volume-info volume-info-text volume-info-description"> Abstract: In the present work, a smart structure is being investigated, where a functionally graded carbon nanotube-reinforced composite (FG-CNTRC) plate is equipped with piezoelectric actuators to provide vibration control. Due to their high mechanical properties coupled with lightweight, FG-CNTRCs are mainly used in the aerospace industry and in advanced engineering applications. The CNTs have a linear and non-linear distribution along the thickness of the plate and are distributed according to five configurations, namely: UD, FG-X, FG-O, FG-A and FG-V. The first order shear deformation (FOSD) theory is considered in the formulation of a 9-node quadratic finite element with 5 degrees-of-freedom per node, and an additional degree of freedom is provided for the piezoelectric layer. The model developed in this study assesses the free vibration behavior and controls the nanocomposite plate deflection through the electromechanical coupling factor piezoelectric. In addition, it investigates: (<i>i</i>) the effect of the plate configuration, (<i>ii</i>) the CNT volume fraction, (<i>iii</i>) the CNT destruction patterns, (<i>iv</i>) the linear and nonlinear distribution of CNTs, (<i>v</i>) the number of CNTRC ply, (<i>vi</i>) the boundary conditions and (<i>vii</i>) the dimensions with different locations of actuators. The results obtained show the first natural frequencies for all configurations, which are considered to be in good agreement with those available in the literature and illustrate that the effective stiffness of the nanocomposite plates can be improved further when the reinforcement is dispersed according to the FG-X pattern. In addition, for the case of the deflection control analysis, results indicate that the distributed piezoelectric layers (actuators) attenuate the deflection of the CNTRC to the desired tolerance. It is noted that patches with partial coverage compared to the case of total coverage of piezoelectric layers require more electrical power to reach the same level of attenuation. The developed numerical model is intended to be used in a variety of potential advanced engineering applications. </div> <div> <a data-readmore="{ block: '#abstractTextBlock590135', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 3 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.913.15">Optimization of the Mechanical and Physical Properties of Lightweight Concrete Reinforced with Date Palm and Sisal Fibers</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Maher Chakhari, Nawel Salem, Jamel Neji </div> </div> <div id="abstractTextBlock592403" class="volume-info volume-info-text volume-info-description"> Abstract: This work investigates the influence of date palm and sisal fibers on the mechanical and physical behavior of lightweight concrete based on expanded clay aggregates. The choice of these fibers types is aimed at the recovery of agricultural waste in Tunisia. Their exploitation serves to improve the mechanical and physical properties of a new material dedicated to filling and insulation in buildings. In this context, series of tests were carried out using untreated short fibers in lightweight concrete. The evaluation of the mechanical and physical behavior of the material was obtained by determining the compressive strength, bending strength and thermal conductivity. The results obtained showed the influence of the fibers volume fraction. For mechanical behavior, the optimum of fibers volume fraction was estimated at 1% for lightweight concrete with date palm and sisal fibers. The thermal conductivity is inversely proportional to the fibers volume fraction, which justifies the use of this composite as a filling and insulation material. </div> <div> <a data-readmore="{ block: '#abstractTextBlock592403', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 15 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.913.23">Elastic-Wave Characteristics from Crack Initiation and Propagation of High-Strength Steel Immersed in Acetic-Acid Solution</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Kyoung Hee Gu, Jae Eun Paeng, Gum Hwa Lee, Ki Woo Nam </div> </div> <div id="abstractTextBlock592453" class="volume-info volume-info-text volume-info-description"> Abstract: In this study, elastic waves were detected when different bending stresses were applied to cracked specimens of high-strength steel (SKD11: HV550) immersed in a 0.057 M solution of acetic acid (CH<sub>3</sub>COOH), and frequency characteristics were analyzed using time-frequency analysis. The dominant frequency obtained using the tensile test was approximately 103 kHz, and those in the acetic-acid solution without stress were approximately 32 and 101 kHz. The dominant frequencies of the crack specimens in which cracks propagated were approximately 30–40 (F1), 60–85 (F2), and 100–110 (F3) kHz. An elastic wave was obtained by corrosion, pitting, crack initiation, and propagation but not during the hydrogen aggregation time. The dominant frequencies of the crack specimens without crack propagation were approximately 28–33 (F1) and 94–109 (F3) kHz. These were the same as the dominant frequency in the acetic-acid solution under nonstress conditions. The fractured surface showed many traces of pitting and corrosion regardless of the applied stress, resulting in microcracks in the Cr carbide. <i>-----------------------------------------------------------------------------------------------------------</i> </div> <div> <a data-readmore="{ block: '#abstractTextBlock592453', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 23 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.913.35">Investigation on Role and Impact of 3D Printing Technology in Sand Casting</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: P.K. Dhal, P. V. Arul Kumar, G. Muthu, S. Kaliappan, L. Natrayan, Gori Yatika </div> </div> <div id="abstractTextBlock591874" class="volume-info volume-info-text volume-info-description"> Abstract: 3D printing has been recognized to be such a game-changer in manufacturing that it has now permeated virtually every aspect of the industry, including mould and die casting. A thorough examination of 3D printing's past, present and future in the business is provided here. Casting procedures may be enhanced or drastically altered by 3D printing. The design of goods, assemblies, and parts will be transformed by 3D printing, which is more than just a manufacturing technology. With the aid of 3D printing, sand casting is a technique that can make complex components out of almost any metal alloy at a reasonable cost. Using this integration, producers may build massive components in the least amount of time. It has also established a distinctive place in other casting elements; Examples include the ceramic shell, sand mould sand core, and wax pattern, we'll learn more about sand casting and 3D printing this week. </div> <div> <a data-readmore="{ block: '#abstractTextBlock591874', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 35 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.913.45">Study of Modified Absorber Plate with Aluminium Foam of Solar Water Heating System</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Muhammad Hasan Basri, Jalaluddin Jalaluddin, Rustan Tarakka, Muhammad Syahid, Muhammad Anis Ilahi Rahmadhani </div> </div> <div id="abstractTextBlock586591" class="volume-info volume-info-text volume-info-description"> Abstract: Solar water heating system (SWHS) is water heating equipment that utilizes solar energy for domestic and industrial needs. An absorber plate is the main part of the SWHS that functions to absorb solar energy. Porous materials are efficient in increasing heat transfer, energy efficiency, energy storage, and reducing reflectance losses. Efforts have been made to add aluminium foam as a porous material on the lower and upper surfaces of the absorber plate. Porous materials function absorb heat and store radiant heat energy before being transferred to the fluid. Experimental tests were carried out by testing three models of absorber plates on a solar thermal energy unit with similar conditions. The first model is a standard flat plate (SFP) without aluminium foam. The second model combines standard flat plate and aluminium foam (SFP-TAF), placed on top of the SFP. The third model combines standard flat plate and aluminium foam (SFP-BAF), placed under the SFP. The results showed that the SFP-BAF model has a higher thermal efficiency than the other models. The SFP-BAF model has an efficiency increase of 2.71 % at a flow rate of 10 L/h and 5.39 % flow rate of 12 L/h compared with the standard model (SFP). The position of the aluminium foam at the bottom surface is substantial enough to help absorb and store radiant heat for transfer to circulating water. </div> <div> <a data-readmore="{ block: '#abstractTextBlock586591', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 45 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.913.53">Experimental of the Influence of Blade Pitch Angle Cooler Fan on the Performance of Closed Cooling Water System Gas Turbine</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Setya Budi, Bambang Arip Dwiyantoro </div> </div> <div id="abstractTextBlock586694" class="volume-info volume-info-text volume-info-description"> Abstract: A closed cooling water system is one of the systems contained in gas turbines. The main function of this system is to cool the lubricating oil and winding generator. Decreased performance of closed cooling water system can cause the gas turbine protection system to be active and cause the gas turbine trip. The study began with data collection, both design data for the heat exchanger cooler fan and operating data from the closed cooling water system on the gas turbine. An experiment was carried out by varying the blade pitch angle cooler fan to measure the work parameters in the field and analyzing the results of these measurements against the performance of the heat exchanger cooler fan. Variations of blade pitch angle cooler fan were done by limiting the working parameters of the cooling fan motor. The result of this study was an increase in the blade pitch angle cooler fan results in an increase in the flow rate of the cooler fan, this also affected the heat transfer rate of the heat exchanger cooler fan which grew when the blade pitch angle cooler fan was raised. The increase of blade pitch angle cooler fan also resulted in a decrease in the temperature of closed cooling water on the heat exchanger cooler fan outlet. </div> <div> <a data-readmore="{ block: '#abstractTextBlock586694', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 53 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.913.59">Effect of Propylene Glycol on Supercooling NaCl-H<sub>2</sub>O Solution as PCM to Reduce Energy Consumption in Hybrid Reefer Container</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Imam Nur Rokhim, Sutopo Purwono Fitri </div> </div> <div id="abstractTextBlock586794" class="volume-info volume-info-text volume-info-description"> Abstract: In its use, reefer containers require a lot of energy to operate to cool the cargo inside. Because the cooling system in the reefer container must operate continuously to maintain the temperature in the container. To reduce the operation of the cooling system, reefer containers are equipped with PCM (phase change material) as thermal energy storage which can store heat energy longer to create a lag time for the operation of the cooling system. In previous research, the use of PCM in cold storage can save the cost of using cold storage. From this research, the use of PCM in reefer containers was developed. The eutectic mixture used as PCM is NaCl-H2O with additional ingredients is propylene glycol. Before being applied to the reefer container, the mixture was tested using the cooling chamber methods to determine its thermophysics. The presence of additives in the PCM eutectic mixture is expected to reduce the supercooling phenomenon, reduce corrosive properties and increase the use of PCM based on NaCl-H2O. </div> <div> <a data-readmore="{ block: '#abstractTextBlock586794', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 59 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.913.69">An Innovation of Black Tea as a Substitute for the Use of Positive Contrast Media in CT Urography in Hydronephrosis Cases: Case Study</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Retno Wati, Anisa Nur Istiqomah, Estu Salsabila, Hendika Sidiq Putra Pratama </div> </div> <div id="abstractTextBlock592275" class="volume-info volume-info-text volume-info-description"> Abstract: The use of contrast media on CT scans needs to be done to see the urinary tract clearly. Contrast media itself has side effects that can harm patients if they have allergies. The purpose of this study was to determine if black tea can be used as a natural contrast medium to replace iodine contrast media in CT urography. This study used a case study method by observing a patient diagnosed with hydronephrosis who underwent CT urography. Prior to the examination, the patient had drunk 600 ml of black tea. Examination using CT Scan GE Revolution ACT 32 slices with axial, coronal and sagittal images. The results of the image are then taken to a radiologist and a radiographer to assess the image quality and anatomical clarity in the form of an interview. The results showed that the patient drank 600 ml of plain black tea on a CT-Scan urography examination in cases of Hydronephrosis could open or clarify the ureteral tract, making it easier for doctors to read out radiographs. The use of tea was able to reveal the ureteral groove and facilitate tracking. Black tea with natural ingredients has the opportunity to be a substitute for iodine contrast media which uses chemicals in CT Urography so as to reduce the potential for allergies and side effects to patients and is inexpensive. Studies related to the ratio of black tea and water can be carried out to obtain an optimal density value. </div> <div> <a data-readmore="{ block: '#abstractTextBlock592275', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 69 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.913.79">Kalman Filter for Artifact Reduction in MRI Imaging: A Literature Review</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Dyah Ayu Puspitaningtyas, Donny Kristanto Mulyantoro, Sudiyono Sudiyono </div> </div> <div id="abstractTextBlock592547" class="volume-info volume-info-text volume-info-description"> Abstract: Background: The appearance of Noise Artifacts is admittedly very disturbing the quality of MRI diagnostic images. The application of BLADE and STIR sequences based on artificial intelligence technology has described in reference that it is able to suppress moving signals from the vascular and signals from fat tissue. However, the long consumption of scanning time is one of the drawbacks that arise, and subsequently affect the presence of noise in the image. The use of another technique, namely kallman filter with the Matlab (Matrix Laboratory) program, which is applied as part of post-scanning image processing will help reduce image noise values that arise due to the problem of long scanning time consumption in both sequences. The aim of this literature review is to determine the potential of the filter kalman for the reduction of artifacts on MRI examinations. Methods: The search was conducted using google scholar, WILEY, IEE Explore, SPRINGER, Scopus and PERPUSNAS in English with the article period 2004-2020 using the keywords MRI artifacts, reducing artifacts and the Kalman filter algorithm. Result: The results of a review of 4 articles of kalman filter intervention on MRI Brain, MRI Abdomen and MR Cardiac showed that kalman filter was good enough in reducing artifacts and increasing anatomical information. Conclusion: Kalman filter has the potential to reduce artifacts, improve image quality and clarify anatomical images on MRI examinations. </div> <div> <a data-readmore="{ block: '#abstractTextBlock592547', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 79 </div> </div> <div class="block-bottom-pagination"> <div class="pager-info"> <p>Showing 1 to 10 of 15 Paper Titles</p> </div> <div class="pagination-container"><ul class="pagination"><li class="active"><span>1</span></li><li><a href="/AMM.913/2">2</a></li><li class="PagedList-skipToNext"><a href="/AMM.913/2" rel="next">></a></li></ul></div> </div> </div> </div> </div> </div> </div> </div> <div class="social-icon-popup"> <a href="https://www.facebook.com/Scientific.Net.Ltd/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon facebook-popup-icon social-icon"></i></a> <a href="https://twitter.com/Scientific_Net/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon twitter-popup-icon social-icon"></i></a> <a href="https://www.linkedin.com/company/scientificnet/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon linkedin-popup-icon social-icon"></i></a> </div> </div> <div class="sc-footer"> <div class="footer-fluid"> <div class="container"> <div class="row"> <div class="footer-menu col-md-12 col-sm-12 col-xs-12"> <ul class="list-inline menu-font"> <li><a href="/ForLibraries">For Libraries</a></li> <li><a href="/ForPublication/Paper">For Publication</a></li> <li><a href="/insights" target="_blank">Insights</a></li> <li><a href="/DocuCenter">Downloads</a></li> <li><a href="/Home/AboutUs">About Us</a></li> <li><a href="/PolicyAndEthics/PublishingPolicies">Policy & Ethics</a></li> <li><a href="/Home/Contacts">Contact Us</a></li> <li><a href="/Home/Imprint">Imprint</a></li> <li><a href="/Home/PrivacyPolicy">Privacy Policy</a></li> <li><a href="/Home/Sitemap">Sitemap</a></li> <li><a href="/Conferences">All Conferences</a></li> <li><a href="/special-issues">All Special Issues</a></li> <li><a href="/news/all">All News</a></li> <li><a href="/read-and-publish-agreements">Read & Publish Agreements</a></li> </ul> </div> </div> </div> </div> <div class="line-footer"></div> <div class="footer-fluid"> <div class="container"> <div class="row"> <div class="col-xs-12"> <a href="https://www.facebook.com/Scientific.Net.Ltd/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon facebook-footer-icon social-icon"></i></a> <a href="https://twitter.com/Scientific_Net/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon twitter-footer-icon social-icon"></i></a> <a href="https://www.linkedin.com/company/scientificnet/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon linkedin-footer-icon social-icon"></i></a> </div> </div> </div> </div> <div class="line-footer"></div> <div class="footer-fluid"> <div class="container"> <div class="row"> <div class="col-xs-12 footer-copyright"> <p> © 2024 Trans Tech Publications Ltd. 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Applied Mechanics and Materials Vol. 913 | Scientific.Net