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流量計算

2015-07-09View Original

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質問:DN450mm、圧力0.45MPaGの循環水の流量はいくらで、どのように計算しますか??
Reply #22015-07-11
条件が不足しており、背圧がない。ベルヌーイの方程式によって解くことができる。一般的な水の流速は1~3メートルです。 流速を求めて、それに管の面積を掛けると流量が得られます。 一般的には、流量計の前後の圧力差から流量を算出する
Reply #32015-07-12
1時間に1600トン、問題ありません。流速3m/sで計算

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