參考標準:《換熱器設(shè)計手冊》錢頌文 2002年版 P74(59) 根據(jù)公式△tm=(△t1+△t2)/2進行計算 式中,△t1為較小溫度差,℃;△t2為較大溫度差,℃;△tm為算術(shù)平均溫度差,℃; |
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