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AERATION EFFECT OF SUBMERGED JET ON HYDRAULIC CHARACTERISTICS 被引量:2
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作者 liu, shan-jun Xu, Wei-Lin +1 位作者 Wang, Wei Qu, Jing-Xue 《Journal of Hydrodynamics》 SCIE EI CSCD 2002年第3期35-39,共5页
A water-air two-phase turbulence mathematical model was proposed, The mass-weighted average was adopted for velocity, air mass fraction and turbulent parameters. The algebraic stress equation was used to calculate the... A water-air two-phase turbulence mathematical model was proposed, The mass-weighted average was adopted for velocity, air mass fraction and turbulent parameters. The algebraic stress equation was used to calculate the Reynolds stress. The pulsating flux of air mass fraction was simulated by employing the concept of the eddy viscosity. The numerical simulation of aerated flow in plunge pool shows that, for the same depth, aeration may decrease the time-averaged pressure on pool floor and increase slightly the turbulent intensity. The computed concentration and pressure distributions coincide with the experimental data. 展开更多
关键词 Computer simulation Mathematical models Pressure distribution Turbulent flow Two phase flow
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