制冷循环和制冷系数 Coefficient of performance COP-8=q2 T 卡诺逆循环 c w g1-q2 T不变,T2↓ec↓ T2不变,Tof↓制冷循环和制冷系数 Coefficient of Performance 2 COP q w = =  T0环境 卡诺逆循环 2 2 2 C 1 2 0 2 q q T w q q T T  = = = − − q1 q2 w T s T2 T0 0 2 1 1 T T = − T0不变, T2 εC T2不变, T0 εC