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액체탄화수소의 초임계 천이과정에 대한 거시적 특성 분석
신봉철(Bongchul Shin),김도헌(Dohun Kim),손민(Min Son),이건웅(Keunwoong Lee),송우석(Wooseok Song),구자예(Jaye Koo),권오채(Oh Chae Kwon) 한국추진공학회 2016 한국추진공학회지 Vol.20 No.4
In order to analyze supercritical transition of liquid hydrocarbon fuel which used propulsion engine, visualization of phase changing using Methylcyclohexane (MCH) was performed. Also, measurements of temperature and pressure were conducted to obtain saturation lines of MCH and Decane. delayed increase of the pressure existed near the critical point due to dramatical increase of specific heats and the critical opalescence was only observed from the end point of delaying to the critical point. Beyond the critical point, the boundary between phases disappeared and the strong density gradient was observed. As the comparison between experimental and numerical saturation lines, the numerical estimation for mixture had relatively little difference while the results of pure components had almost coincidence.