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Direct numerical simulation of turbulent heat transfer in a channel flow imposed with spanwise Couette flow

机译：用枝条循环流动施加的沟道流动中湍流传热的直接数值模拟

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The direct numerical simulation (DNS) of a turbulent channel flow with a three-dimensional mean velocity profile has been performed. In the present study, a fully developed turbulent channel flow driven by a streamwise constant mean pressure gradient and a spanwise wall shear is assumed. Reynolds number based on the kinematic viscosity ν, the streamwise friction velocity u{sub}(τ1) and the channel half width δ is Re{sub}τ = 180. The DNS is carried out for the several wall shear cases to obtain the turbulence statistics. The present results indicate that the temperature variance and the energy redistribution of the turbulent shear stress change depend upon various wall shear cases.
机译：已经执行了具有三维平均速度曲线的湍流通道流的直接数值模拟（DNS）。在本研究中，假设由流动恒定平均压力梯度和翼展壁剪切驱动的完全开发的湍流通道流。基于运动粘度的雷诺数ν，流动摩擦速度U {sub}（τ1）和频道半宽δ是Re {sub}τ= 180.对于几个墙剪切机箱来进行DNS以获得湍流统计数据。本结果表明，湍流剪切应力变化的温度方差和能量再分布取决于各种墙面剪切盒。

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