圆管翅片管换热面积计算

圆管翅片管翅化比计算圆管管径d0m选取0.025圆管壁厚δwm选取0.002翅片高度Lfhm选取0.0125翅片厚度δfhm选取0.0006翅片间距δhm选取0.003翅片管总管径dfhmd0+(2.