Solution cont. T=T1+ (e儿-cm(产刃 [-7.6-（-0.6)]kJs = 318K+ 2701 =318-22[1-exp(-61)] 318 296 t→0，T→296K 0 0.5 1.0 Time,h 上游充通大 Mar/29,Wed,2017 15 SHANGHAI JIAO TONG UNIVERSITYMar/29, Wed, 2017 15 Solution cont. t T    , 296 K