Experimental investigation on the influence of ejector geometry on the pull-down performance of an ejector-enhanced auto-cascade low-temperature freezer
International Journal of Refrigeration（2021）
摘要
•Effects of ejector geometry on EARC based low-temperature freezer were explored.•Dt and Lm are the critical parameters influencing the pull-down performances.•Malfunction of pressure lift at start-up phase was prone to occur at small Dm.•NXP seriously affects ejector performance instead of the pull-down rate
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关键词
Experimental investigation,Auto-cascade refrigeration cycle,Ejector geometry,Low-temperature freezer,Pull-down performance
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