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주름 각도와 피치에 따른 판형 열교환기 전열특성에 관한 수치해석 연구
강대기(Dae-Ki Kang),김시범(Si-Pom Kim),황일주(Il-Ju Hwang),이재훈(Jae-Hoon Lee),도태완(Tae-Wan Do),여운엽(Woon-Yeop Yeo) 한국기계가공학회 2012 한국기계가공학회지 Vol.11 No.3
For numerical analysis of the plate heat exchanger, a lot of time are required in modeling work and calculation. Whereas, this paper was purposed to identify characteristic of the plate heat exchanger through simplification of modeling by interpreting the numerical analysis proximity with the actual model. This study was also examined temperature difference between inlet side and outlet side, inner pressure drop, heat transfer area of plate and change of heat transfer coefficient on the plate depending on the inner corrugation angle and corrugation pitch of a herring bon pattern of the plate heat exchanger among chevron types of the plate exchanger.
김시범(Si-Pom Kim),전락원(Rock-Won Jeon),황일주(Il-Ju Hwang),이재훈(Jae-Hun Lee),강대기(Dae-Ki Kang) 한국기계가공학회 2012 한국기계가공학회지 Vol.11 No.3
The packing, among the components comprising the gate valve, is used to sustain the air-tightness and the study on change of shape or pattern has been carried out to maximize the functions, but the study on changing the location or the size of the packing in a bid to prevent the freezing has rarely been implemented. Thus, This study is intended to evaluate the thermal strain of packing by heat transfer from territory of extremely low temperature as well as the temperature distribution to the upper part of the packing using numerical analysis method.