steady flow model

The model is established the theorem of pressure energy consumption minimum. Its basic principle is that there is a quite steady flow state of annular flow in the flow pattern of gas-liquid two-phase flow.

模型是建立在压力能量消耗率最小的原理上的，其基本原理是：在气-液两相流的流型中，环状流具有相当稳定的流动状态。

The problem considered was a 3D flow of an air as Boussinesq fluid, steady state turbulent model with thermal boundary conditions.

三维模拟区域主要运用稳态湍流和Boussinesq模型进行模拟，并着重对不同隔门高度和外部条件下流动换热情况作了对比研究。

The three-dimensional numerical simulation has been made on the steady flow field in the tangential inlet port-valve-cylinder with RNG k-ε turbulent model by using commercial code FLUENT under the conditions of two valve lifts.

使用FLUENT商业软件，采用RNG k-ε湍流模型，对稳定流动实验条件下，不同进气道角度时切向进气道-气门-气缸内的流场，在两种气门升程下进行了三维数值模拟；

A method for calculating 3 D discharge flow in a centrifugal impeller is developed by means of solving the incompressible steady time averaged N S equations, the continuity equation and the k ε turbulence model equation.

文发展了一种通过求解不可压缩、定常、时均N-S方程、连续性方程和k-ε湍流模型方程分析离心叶轮出口三维流场的方法。

One of the effective approaches to cope with this problem is to promote ABS asset backed securitization, under which model the part of public utility assets which provides steady cash flow can be securitized to raise funds.

推行ABS资产证券化，将公用事业资产中一部分具有稳定的现金流的资产进行组合，使之资产证券化，然后筹得资金，这是解决资金问题的有效方式之一。

The model is non-coupling and non-saturating sediment transport, and it can calculate steady and unsteady flow.

模型为 非 耦合及非饱和输沙模型, 恒定和非恒定情况都可以计算.

The unsteady character of the model was used with an iterative technique to approach channel steady flow.

模型采用显式非恒定流渐近迭代法计算河流恒定流场。