backward-facing step flow的意思|示意

We give a discretization method for the viscous terms of the two-dimensional shallow water equations , and the obtained discretized equations are used to solve the backward-facing step flow problem.

对二维浅水方程粘性项给出了一个离散方案，并将其应用于求解后台阶流动问题。

The flow over a backward facing step of an annular tube is a very important part of air drilling, determining the detritus going back to the ground successfully.

环空管道后台阶突扩流动是空气正循环钻井过程中十分重要的关键部分，直接决定了钻探岩屑是否能够顺利上返地面。

The characteristics of the flow over a backward facing step are studied by use of a 3 D viscous flow mathematical model.

利用三维粘性流动数学模型，研究了台阶突扩流动的三维特性。

It is indicated that the flow field over a backward facing step possesses simultaneously the characteristic of non-steady flow and steady flow.

后向台阶流的流场同时具有非定常性和定常性的特性。

A numerical study is reported on the flow over a backward-facing step.

本文研究单边放大台阶流的数值解。

In this paper, the evolution of eddy structures in the backward-facing step flow was studied by using large eddy simulation.

本文对后台阶分离流动中涡结构的演变进行了大涡模拟，研究了流场结构的变化规律。