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Das Gesetz der Translation des Wassers

Nature volume 68, page 246 (16 July 1903) | Download Citation



MUCH has been written about the flow of water in pipes, channels, and rivers, considered from the point oof view of the hydraulic engineer, and many attempts have been made to obtain empirical formulae for purposes of numerical calculation. In this volume the author proposes the formula where v is the mean velocity, Q the total flow per second, I the gradient as a sine, and B the half-breadth of the channel. A comparison of the results of the author's formulae is made, both with the results- of experiment and with those of other writers,. especially Bazin, and calculations are given of the velocity curves for different sections and under different conditions. Reynolds's critical velocities are also discussed. The book contains a bibliography, tables of coefficients, and a diagram of the author's experiments and of velocity curves.

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