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首页> 外文期刊>International Journal of Refrigeration >Optimum control of the gas overheat in the evaporator of a vapour compression refrigeration system when the refrigerant is polluted
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Optimum control of the gas overheat in the evaporator of a vapour compression refrigeration system when the refrigerant is polluted

机译:当制冷剂被污染时,对蒸汽压缩制冷系统蒸发器中气体过热的最佳控制

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摘要

Results concerning the response of a refrigeration system simulation software to an increase in the amount of oil flowing with the refrigerant are presented. It is shown that there are optima of the apparent overheat value, for which either the exchanged power or the refrigeration coefficient of performance (COP) is maximised: consequently, it is not possible to optimise both the refrigeration COP and the evaporator power. However, in most of the cases (i.e. contents of circulating lubricant), the optimal values of the apparent overheat are below the values that the expansion valves usually impose.
机译:给出了有关制冷系统仿真软件对随着制冷剂流动的机油流量增加的响应的结果。结果表明,存在表观过热值的最优值,对于该值,交换功率或制冷性能系数(COP)均达到最大:因此,不可能同时优化制冷COP和蒸发器功率。但是,在大多数情况下(即循环润滑剂的含量),表观过热的最佳值低于膨胀阀通常施加的值。

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