なめらかなる円管内の乱流に対する新実験式

概要

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With regard to the turbulent flow in a smooth pipe, assuming the following formula, and deciding the constant k adopting the experimental values made by Nikuradse, the author gives fairly accurate experimental equations for thier simple experssion. [numerical formula] l=mixing length, r=radius of pipe, η=y/r, y=distance from pipe center, V=velocity at pipe center, u=velocity at y, [numerical formula], γ_0=shear stress at pipe wall, p=density of fluid.
社団法人日本機械学会の論文