混合长理论

这一理论考虑了恒星对流区内的非局部效应，它得到了一个与原来用混合长理论或局部理论给出的结果有所区别的对流区，扩散效应很明显。

The theory considers the non local effects in the interior of convection zone . It gives a convection zone with evident diffusion effects , which differs from the original one given by MLT or local convection theory .

一种修正的局部混合长理论

A modified local mixing length theory

究其原因是因为人们对贯穿对流的理解依然停留在唯象的混合长理论图象上。

The cause is that our understanding of overshooting still rests on the picture of phenomenological mixing length throry .

考虑到湍动对流建立的动力学过程，与似稳流场的混合长理论相比，湍动对流脉动分量的振幅减小了，并且出现一个相位滞后。

Taking account of the dynamic process of turbulent convection , turbulent vicious forces and pulsational amplitudes of heat convection and turbulent pressure decrease , and a phase-lag arises .

近地层混合长模式的理论研究

A theoretical study on the surface-layer mixing length model