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Experimental Investigation of an Alternating Evaporator Duty Refrigerator/Freezer 交替蒸发器制冷/冷冻装置的实验研究
双稳态电磁阀已被用于制造交替蒸发器负荷(AED)家用冰箱/冷冻柜。该冰箱有两个蒸汽压缩制冷回路,共用一个压缩机、冷凝器和吸入管热交换器。每个制冷回路都有一个膨胀装置和蒸发器。一个蒸发器位于新鲜食品舱内,另一个位于冷冻室内。双稳态电磁阀一次引导制冷剂流过一个回路。在任何给定时间,两个隔间中只有一个被冷却。在这种配置下,食品舱的蒸发器温度高于冷冻柜。 因此,与传统家用冰箱/冷冻机相比,冰箱的能效提高了8.5%。此外,该循环允许对冷冻室和新鲜食品室进行完全独立的温度控制。可能会有一个惩罚,因为这个循环不允许同时优化两个循环。异丁烷是本次调查中使用的唯一制冷剂。单元:SICitation:研讨会,ASHRAE交易,1998年,第104卷,第2部分,多伦多
A bistable solenoid valve has been used to build an alternating evaporator duty (AED) domestic refrigerator/freezer. This refrigerator has two vapor compression refrigeration loops that share a common compressor, condenser, and suction line heat exchanger. Each of the refrigeration loops has an expansion device and evaporator. One evaporator is located in the fresh food compartment and the other is located in the freezer compartment. The bistable solenoid valve directs the flow of the refrigerant through one loop at a time. Only one of the two compartments is cooled at any given time. With this configuration, the food compartment is cooled at a higher evaporator temperature than the freezer. Due to this, the energy efficiency of the refrigerator is improved by 8.5% over a conventional domestic refrigerator/freezer. Also, this cycle allows for completely independent temperature control of the freezer and fresh food compartments. There may be a penalty because this cycle does not allow for both loops to be simultaneously optimized. Isobutane was the only refrigerant used in this investigation.Units: SI
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