Abstract
Ejector has become a standard component in many refrigeration systems driven by low-grade energy. In order to lower the temperature of condenser, and improve the performance of ejector, a water-cooled condenser is used in ejector refrigeration system for marine in this paper. The mode of ejector is established in GAMBIT and the simulation is carried out in FLUENT, which is simulated at different area ratios to find out the optimum ejector size with 4 sets of different primary flow inlet's pressures, 18.651 bar, 20.891 bar, 23.332bar and 25.988bar. The results show that the corresponding optimum area ratio is 4.3, 4.9, 5.6 and 6.2, respectively. With numerical study in this paper, it is obvious that the optimum area ratio ejector can improve the performance of refrigeration system for marine.
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