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符号COP:性能系数,蒸发器侧; E:压缩机载荷(W); h:比焓(Jkg~(-1)), m:质量流量(KgS~(-1)); n:压缩机转速(S~(-1)); p:压力(Pa); q:容积制冷量(Jm~(-3)); t:温度(℃); T:绝对温度(K); N:比容(m~3kg~(-1));
Symbol COP: coefficient of performance on the evaporator side E: compressor load (W) h: specific enthalpy (Jkg -1) m: mass flow rate KgS -1 n: speed of the compressor (S -1) p: pressure Pa: q volumetric capacity (Jm -3) t temperature (° C) T absolute temperature (N) specific volume m ~ 3kg ~ (-1));