NUMERICAL SIMULATIONS ON ORIFICE ENERGY DISSIPATION
Orifice energy dissipator is one of the energy dissipation methods in hydraulic engineering. The mechanism of orifice energy dissipater is not fully understood yet. Many factors may influence the efficient of the orifice energy dissipation. In present research both dimension analysis and numerical analysis are conducted to investigate the influence of the factors. First, a series of factors are combined to investigate the influences. Then, the main factors are identified: Reynolds number, the diameter ratio and the distance between orifices. Numerical simulations are conducted with a k-ε two-equation turbulence model, the results of the simulations agree well with the results from experiments and dimensional analysis in references.
orifice energy dissipation numerical simulations reynolds number (Re) diameter ratio (d/D) distance between orifices and the shape of the orifice (L/D)
Ning He Zhenxing Zhao
College of Environmental Science and Engineering, Hohai University, Nanjing 210098, China
国际会议
第16届亚太地区国际水利学大会暨第3届水工水力学国际研讨会(16th IAHR-APD Congress and 3rd Symoposium of IAHR-ISHS)
南京
英文
1790-1794
2008-10-20（万方平台首次上网日期，不代表论文的发表时间）