热泵循环和供热系数 Coefficient of Performance Cop-,qr T 卡诺逆循环 Ec=当=9 TO T-T T1不变,To↓ac↓ T不变,T1fc↓热泵循环和供热系数 Coefficient of Performance 1 COP ' q w = =  卡诺逆循环 ' 1 1 1 1 2 1 0 C q q T w q q T T  = = = − − w T s T2 T0 0 1 1 1 T T = − T1不变, T0 εC T0不变, T1 εC T1