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直管抵抗損失

2016-06-18View Original

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2014年午前の第56問:直管の抵抗損失は、流体と管壁の間でのみ発生する。そうでしょう?流体の内部で起こったのでしょう
Reply #22016-06-18
直管抵抗:流体が直管部分を流れる際に、【流体の粘性】を克服し、管の内壁との摩擦によって生じる抵抗
Reply #32017-08-04
 流体が直管内を流動する際、流体と管壁との間、および各層の流体同士の内部摩擦力によって生じる抵抗を、直管抵抗または沿程抵抗と呼ぶ。

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