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已知某喷淋室处理的空气量G=35000kJ/h,大气压为101325Pa ,空气初参数为t1=28℃, ts1=22.5℃,i1=65.8kJ/kg ,需要处理的空气的终参数为:t2=16.6℃,i2=44.4kJ/kg,ts2=15.9℃,喷水的初温8.5℃,喷水的终温为13.5℃, 试计算喷淋室的第一热交换效率和第二热交换效率,空气与水热湿交换过程的换热扩大系数。(空气的比热取 1.01kJ/kg.℃)
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参考答案:
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