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고온가스냉각로(HTGR) 열전달 연구를 위한 상사실험 방법론 개발
문덕원,고상혁,정범진 제주대학교 공과대학 첨단기술연구소 2005 尖端技術硏究所論文集 Vol.16 No.2
Increasing interests on hydrogen, as a future alternative energy source, have led activities concerning the production, transportation, and use of hydrogen. As an activity to produce hydrogen using the nuclear heat, the development of HTGR(High Temperature Gas-cooled Reactor) are in progress. The gas phase coolant in the HTGR results in the coupling of buoyancy effect and increased radiation effect to most of heat transfer phenomena. In order to overcome those difficulties in the heat transfer study of gas phase coolant, an analogy experiment methodology was developed using analogy concept between heat transfer and mass transfer. The electroplating system with the limiting current technique is adopted to simulate heat transfer systems. Two typical heat transfer problems of Poiseuille flow and laminar and turbulent natural convections with well-known heat transfer correlations, were simulated. The test results show close agreements between heat transfer and mass transfer, which is encouraging indication of the validity of the analogy experiment methodology.
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