[問題] 管式熱交換器-酸洗體積
各位大大好
遇到一個問題，在計算酸洗體積的時候應該是shell side體積-tube side體積=酸洗體積
，但在計算tube side體積是要用O/DIA還是用公稱直徑(O/DIA*管厚) ??
以下數值
shell side I/DIA=1550mm,L=7200mm
tube side O/DIA=19.05mm,thickness=1.24mm,L=7200,tube number=2800
拜託大大幫我解惑，手機排版有不好請見諒
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