【摘 要】
:
T The effects of various types of waves on vertical plane turbulent jets are studied numerically in the paper. A three-dimensional numerical model in a-coordina
【机 构】
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College of Water Conservancy of Hydro-Power Engineering,Binhu Water Conservancy Bureaus
【基金项目】
:
the National Key Technology R&D Program of China;the Ph. D. Programs Foundation of the Ministry of Education of China;the National Science Fund for Distinguished Young Scholars;the \"Qinglan Project
论文部分内容阅读
T The effects of various types of waves on vertical plane turbulent jets are studied numerically in the paper. A three-dimensional numerical model in a-coordinate is developed to study these problems by use of large eddy simulation method. Turbulence is modeled by a dynamic coherent eddy model. Numerical results including the distribution of veloci-ty, the decay law of the mean velocity along axis, the turbulent Reynolds stresses and the volume flux per unit width without wave, in the first-order Stokes waves, in the second-order Stokes waves, in the fifth-order Stokes waves, in the solitary waves and in random waves are compared and analyzed. A focus on coherent structures, probability density func-tions and correlation functions of jets is also investigated. The numerical results are of great theoretical importance for un-derstanding jet turbulent behaviors in different types of waves.
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