Volume 10, Issue 1 (spring 2006)
jwss 2006, 10(1): 15-28 |
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A. Keshavarzi, M. J. Kazemzadeh Parsi. Experimental Study of Turbulent Flow Structure, Separation Zone and Comparison with Turbulence Models at 45 Degree Closed-end Water Intake. jwss 2006; 10 (1) :15-28
URL: http://jstnar.iut.ac.ir/article-1-520-en.html
URL: http://jstnar.iut.ac.ir/article-1-520-en.html
Abstract: (17769 Views)
Flow structure at water intake is very complicated and three-dimensional. Due to this the application of one and two-dimensional equations can not sufficiently explain the flow structure at water intake. In this study, the simulation of flow structure at a 45 degree water intake was investigated numerically and experimentally. Here, the characteristic of separation zone and velocity distribution at 45 degree water intake were investigated using Standard k-ε and RNG k-ε models. It was found that the Standard k-ε model enables to estimate the flow and separation zone at water intake. Also, the location of separate zone at the inlet of water intake was studied using experimental and numerical approach. It was found that the separation zone at 45 degree water intake occurs at the downstream of the inlet.
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