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本文根据普朗德—尼古拉兹—柯列勃洛克关于流动阻力的理论和实验,导出园管中流体运动的分区判别式。光滑区与过渡区:Re’=1.6(d/K)~(1.143);过渡区与粗糙区:Re“=537(K/d)~(1.125)。并对国内若干已建成的城市煤气系统进行了流态统计。
In this paper, based on the theory and experiment of Prandn-Nicholas-Collebrook on the flow resistance, the partition discriminant of the fluid motion in the pipe is derived. Smooth area and transition area: Re’=1.6(d/K)~(1.143); transitional area and rough area: Re”=537(K/d)~(1.125). And some domestic built-in city gas The system has performed flow statistics.