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Search results for: exhalations
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exhalations</h1> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2</span> Separation Characteristics of Dissolved Gases from Water Concurrently Variable Mixed with Exhalations for the Hollow Fiber Membrane</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Pil%20Woo%20Heo">Pil Woo Heo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Water contains dissolved oxygen that a fish needs to breathe. It is important to increase the amounts of separation of dissolved oxygen from water for diverse applications using the separation system. In this paper, a separation system of dissolved gases from water concurrently variable mixed with the exhalations using a compressor is proposed. This system takes use of exhalations to increase the amounts of separation of dissolved oxygen from water. A compressor with variable off-time and on-time is used to control the exhalations mixed with inlet water. Exhalations contain some portion of carbon dioxide, oxygen, and nitrogen. Separation of dissolved gases containing dissolved oxygen is enhanced by using exhalations. The amounts of separation and the compositions of carbon dioxide and oxygen are measured. Higher amounts of separation can make the size of the separation device smaller, and then, application areas are diversified.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Concurrently" title="Concurrently">Concurrently</a>, <a href="https://publications.waset.org/search?q=variable%20mixed" title=" variable mixed"> variable mixed</a>, <a href="https://publications.waset.org/search?q=exhalations" title=" exhalations"> exhalations</a>, <a href="https://publications.waset.org/search?q=separation" title=" separation"> separation</a>, <a href="https://publications.waset.org/search?q=hollow%20fiber." title=" hollow fiber."> hollow fiber.</a> </p> <a href="https://publications.waset.org/10007701/separation-characteristics-of-dissolved-gases-from-water-concurrently-variable-mixed-with-exhalations-for-the-hollow-fiber-membrane" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10007701/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10007701/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10007701/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10007701/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10007701/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10007701/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10007701/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10007701/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10007701/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10007701/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10007701.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">1110</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1</span> Separation Characteristics of the Hollow Fiber Membrane Module Using Water Mixed with Small Sized Bubbles Composed of Synthesized Exhalations</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Pil%20Woo%20Heo">Pil Woo Heo</a>, <a href="https://publications.waset.org/search?q=Hyunse%20Kim"> Hyunse Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Fish can breathe freely under water using dissolved oxygen and survive for a long time without going out of the water. A human can also survive under water using dissolved oxygens, if properly used. He needs more dissolved oxygens than the fish, so efficient separation device is required. Since the amount of oxygen contained in water is weak, a person needs a lot of surface area to breathe in water, which leads to a large-sized device. It can be applied to various fields if it is developed as a device which is advantageous to carry in small size. In this paper, we have carried out a study on the effective use of exhalations and proposed the separation characteristics of the gas containing dissolved oxygen in the state of mixed gas considering the components of exhalation. The system was configured to have a fine bubble when the gas mixture injected into the front end of the separator. While the fluid containing the fine bubbles was supplied to the separator, the dissolved gas contained in water was separated using a vacuum pump. The gas separation amount of the separating apparatus with respect to the supplied mixed gas was measured. The amounts of separation of dissolved gas were increased as the amounts of mixed gas supplied were increased.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Small%20sized%20bubbles" title="Small sized bubbles">Small sized bubbles</a>, <a href="https://publications.waset.org/search?q=synthesized%20exhalations" title=" synthesized exhalations"> synthesized exhalations</a>, <a href="https://publications.waset.org/search?q=separation" title=" separation"> separation</a>, <a href="https://publications.waset.org/search?q=hollow%20fiber%20module." title=" hollow fiber module."> hollow fiber module.</a> </p> <a href="https://publications.waset.org/10009232/separation-characteristics-of-the-hollow-fiber-membrane-module-using-water-mixed-with-small-sized-bubbles-composed-of-synthesized-exhalations" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10009232/apa" target="_blank" rel="nofollow" class="btn 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