固定管板式换热器管壁温差的计算

Calculation on Temperature Difference of Tube Wall for Fixed Tube Plate Type Heat Exchanger

通过污垢热阻与流体的给热系数合并,求出了综合给热系数的方法,导出了固定管板换热器管壁温差的简便计算公式,并附有常用数据及计算实例。

By means of the combination of the fouling factor thermal resistance and fluid heat supply factor, the method of deriving the comprehensive heat supp ly factor is obtained, the simple calculating formula of tube wall of fixed tube heat exchanger is derived, and the normally-used date and calculating actual e xample are given.