TURBULENT DIFFUSION OF THE ENTRAINED AIR IN A TWO-DIMENSIONAL CHUTE FLOW

被引：0

作者：

肖天鐸 ^{[1
]}

机构：

[1] Institute of Hydrotechnical Research Peking

来源：

Science China Mathematics | 1964年 / 02期

关键词：

TURBULENT DIFFUSION OF THE ENTRAINED AIR IN A TWO-DIMENSIONAL CHUTE FLOW;

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摘要：

On the basis of the theory of turbulent diffusion and the assumption of the isotropy of turbulence, the paper analyses the concentration distributions both of the entrained air in the lower high-velocity water flow in a two-dimensional chute and of the entrained water in the upper co-existing air flow. While only integral forms are given for the starting stage of the entrainment, the analysis is carried out in detail for the stage of the entrainment in full development. The result obtained for the lower flow agrees closely with the experimental data given by Straub.

引用

页码：323 / 334

页数：12

共 4 条

[1] Frenkiel,F. N.Turbulent Diffusion: Mean Concentration Distribution in a Flow Field of Homogeneous Turbulence. Advances in Applied Mechanics . 1953
[2] Taylor GI.Diffusion by Continuous Movements. Proceedings of the London Mathematical Society . 1921
[3] Straub, L. G,Anderson, A. G.Experiments on self-aerated flow in open channels. Proc, ASCE . 1958
[4] Ehrenberger R.Wasserbewegung in steilen Rinnen(Susstennen)mit besonderer Berucksichtigung der SelSelbstbeluftung(Flow of water in Steep Chutes with Special reference to Self-aeration). Zeittschrift des Osterreichischer Ingebieur und Architektverein . 1926

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