上一页 下一页 273+20 =(0.772+1.244×0.014673) 273 =0.848m湿空气/kg绝干气 (3 Cn=1.01+1.88H n=1.01+1.88×0014673=1.038/(kg绝干气C) (4)=(1.01+1.88H)t+2490H =(1.01+1.88×0.014673)×20+2490×0.014673 =57.29/kg绝干气– (3) – (4) 273 20 (0.772 1.244 0.014673) 273 3 0.848m 湿空气/ kg绝干气 1.01 1.88 Hc H 1.01 1.88 0.014673 1.038 /( ) Hc kJ kg C 绝干气 I (1.011.88H)t 2490H I (1.011.880.014673)20 24900.014673 57.29kJ / kg绝干气 上一页 下一页