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양명국(Myeong-Kuk Yang),임혁(Hyug Lim),현용익(Yong-Ik Hyun),박재홍(Jae-Hong Park),조성열(Sung-Youl Cho),김정규(Jung-Kyu Kim),허인은(In-Eun Hur),고성규(Seong-Kyu Ko),손성기(Seong-Ki Son) 한국마린엔지니어링학회 2009 한국마린엔지니어링학회 학술대회 논문집 Vol.2009 No.-
In view of space saving, the design of more compact heat exchangers is relatively important. Also, to meet the demand for saving energy and resources today, manufacturers are trying to enhance efficiency and reduce the size and weight of heat exchangers. Over the past decade, there has been tremendous advancement in the manufacturing technology of high efficiency heat exchangers. This has allowed the use of smaller and high performance heat exchangers. Consequently, the use of smaller and high performance heat exchanger becomes popular in the design of heat exchangers. Welded compact plate heat exchanger is used in high temperature and pressure. In the design of heat exchanger, it is necessary to understand the heat transfer and frictional characteristics, so performance data are provided to help design of this type heat exchanger.
스네이크 패턴을 가진 대면적 판형 열교환기의 전열성능에 관한 연구
김정규(Jung-Kyu Kim),박재홍(Jae-Hong Park),조성열(Sung-Youl Cho),양명국(Myeong-Kuk Yang),허인은(In-Eun Hur),고성규(Seong-Kyu Ko),임혁(Hyug-Lim),현용익(Yong-Ik Hyun) 한국유체기계학회 2009 유체기계 연구개발 발표회 논문집 Vol.2009 No.-
In view of space saving, the design of more compact heat exchangers is important. Also, to meet the demands for saving energy and resources today, manufacturers have tried to enhance efficiency and reduce the size and weight of heat exchangers. Over the past decades, there have been tremendous advancements in the manufacturing technology of high efficiency heat exchangers. This has allowed the use of high performance(high heat transfer coefficient and low pressure drop) heat exchangers. Consequently, the use of high performance heat exchanger becomes popular in the design of heat exchangers. When compared with the well-established shell and tube heat exchangers, the plate heat exchanger shows a lot of advantages like high NTU values, compactness, low cost, multi duties and reduced fouling etc. For the higher performance in plate heat exchanger, the snake pattern in the heat transfer plate has been developed instead of the conventional herringbone pattern. The performance of the plate heat exchanger with snake pattern was evaluated by test, and provided in this paper.
박재홍(Jae-Hong Park),조성열(Sung-Youl Cho),김정규(Jung-Kyu Kim),양명국(Myeong-Kuk Yang),허인은(In-Eun Hur),고성규(Seong-Kyu Ko),임혁(Hyug-Lim),현용익(Yong-Ik Hyun) 한국유체기계학회 2009 유체기계 연구개발 발표회 논문집 Vol.2009 No.-
Applications of the plate heat exchanger are being expanded in ships and marine plants. Marine engine L.O(lubricant oil) cooler is one of the applications of the plate heat exchanger. It has very important role as engine radiator in the ship. Lubricant oil is flowed inside ship engine like the land engine and temperature is up to 80~90℃. Some L.O coolers are mounted in the front of the engine, and operating pressure is up to 4~8 ㎏/㎠. Because vibration of engine is passed to L.O cooler, anti-vibration is required. New L.O cooler for medium speed marine engine was developed, and its performance was evaluated by test and provided in this paper.