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首页> 外文期刊>Nonlinear processes in geophysics >Momentum and buoyancy transfer in atmospheric turbulent boundary layer over wavy water surface – Part 1: Harmonic wave
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Momentum and buoyancy transfer in atmospheric turbulent boundary layer over wavy water surface – Part 1: Harmonic wave

机译:波浪状水面大气湍流边界层的动量和浮力传递-第1部分:谐波

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The surface-drag and mass-transfer coefficients are determined within a self-consistent problem of wave-induced perturbations and mean fields of velocity and density in the air, using a quasi-linear model based on the Reynolds equations with down-gradient turbulence closure. Investigation of a harmonic wave propagating along the wind has disclosed that the surface drag is generally larger for shorter waves. This effect is more pronounced in the unstable and neutral stratification. The stable stratification suppresses turbulence, which leads to weakening of the momentum and mass transfer.
机译:使用基于具有向下梯度湍流闭合的雷诺方程的准线性模型,在波动引起的扰动和空气中速度和密度的平均场的自洽问题中确定表面阻力系数和传质系数。对沿风传播的谐波的研究表明,对于较短的波浪,表面阻力通常较大。在不稳定和中性分层中,这种效果更为明显。稳定的分层会抑制湍流,从而导致动量和质量传递减弱。

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