transient flow model的意思|示意

The traditional quasi - steady friction model can not be accurately described the real transient problems in transient pipe flow.

在液体管道瞬变流计算中，传统的拟恒定摩阻模型不能准确描述瞬变流的真实物理现象。

Establish the transient flow model of the horizontal well for the uniform flux and infinite conductivity wellbore type.

建立了水平井筒为均布渗流型和无限导流型的不稳定渗流模型。

Based on the theory of unsteady flow of compressible fluid and the seepage theory of formation fluid, the mathematical model of the gas transient flow in the wellbore has been established.

基于可压缩流体不稳定流动理论及地层流体渗流理论，建立了气体钻井过程中井筒瞬态流动的数学模型。

The mathematic model of the transient flow was set up to study the unsteady flow phenomena in the high-pressure common-rail injector.

针对高压共轨喷油器内部非稳态流动现象，建立起瞬态流动的物理数学模型，采用模块化分析方法进行了瞬态数值模拟。

It constructs a mathematic model to describe gas transient flow according to the mass, momentum and energy conservation law.

根据气体瞬变流动过程中所遵循的质量、动量和能量守恒定律建立描述气体瞬变流动的数学模型。

In order to obtain transient mathematical model as vectoring deflection which is very important in engineering and valuable in theory, three-dimensional and unsteady flow fields must be researched.

由于气流在喷管流动中具有复杂的三维非定常的特征，因此，建立其动态数学模型有着更为重要的工程及理论价值。