层流和湍流

由实验分别得到了层流和湍流区的换热关联式。

Heat transfer correlations in the laminar and turbulent flow regions are obtained respectively from experiments .

改进油流显示法研究层流和湍流下绕椭球分离流

Investigation of separate flow around a prolate spheroid in laminar and turbulent flow by an improved oil-flow visualization technique

实验中观察到，椭球表面摩擦力线在层流和湍流状态下具有不同的拓扑结构。

Different topological structures of SFL were ob served in laminar and turbulent flows .

圆管层流和湍流进口段流动阻力的研究

Experiment of Flow Resistance of Laminar and Turbulent Flow of the Inlet Section of Round Pipe

分别建立两相流动无粘、层流和湍流三种模型，求解并分析了三种模型的差异。

Three models are established for inviscid , laminar and turbulent flow , the differences among the three models have been analyzed .

含气泡液体流动的雷诺应力主要是由气泡存在及液体湍动而引起的，它们分别在层流和湍流流动中占主导地位。

Reynolds stresses in liquid flow with bubbles are made up of two parts : a part induced by bubble displacement and a part produced by liquid turbulence .

基于混合编程的端面摩擦副热分析软件的开发实验中观察到，椭球表面摩擦力线在层流和湍流状态下具有不同的拓扑结构。

Development of thermal analysis software under end-face frictional conditions based on mixed programming method Different topological structures of SFL were ob served in laminar and turbulent flows .

本文运用非平衡态热力学中最小熵增原理，分析了层流和湍流流动在接近热力学平衡定态时的特性。

The present paper has analysed the characteristics of laminar and turbulent flow getting near constant states of equilibrium with the fundamental principle , minimum entropy generation in non-equilibrium thermodynamics .

用改进的油流显示法研究和对比了层流和湍流状态下绕椭球流动的表面摩擦力线结构。

Structures of the skin friction lines ( SFL ) appearing on a prolate spheroid in laminar and turbulent flows were investigated and compared by using an improved oil-flow visualization technique .

本文用有限元法计算水轮机转轮内部三维层流和湍流，采用的是修正的x-ε双方程湍流模型。

A scheme for solving three-dimensional incompressible laminar and turbulent flows in a hydro-turbine runner is developed , in which modified k - ε turbulent model is used to close the Navier-stokes ( N-S ) equations .

本文运用FLUENT6.0软件，数值模拟了管内层流和湍流状态的流体在恒壁温的情况下，当流动入口速度为周期性变化时的流动与换热情况。

Heat transfer performance and economic characteristics for laminar and turbulent pulsating pipe flow under different conditions of pulsation frequency , amplitude and different fluid were numerically investigated by applying Fluent 6.0 computer software in this paper .

应用计算流体力学技术，采用层流模型和湍流模型对净流量为0、一定雷诺数区间振荡流混合器单腔室中的层流流场和湍流流场进行了数值模拟计算。

Computational fluid dynamics ( CFD ) numerical simulation technique was used to simulate the flow field with both laminar model and turbulence model within a certain region of Reynolds number .

实验结果表明：随着Re∞的增加，可以获得层流、转捩和湍流烧蚀表面形态和端头烧蚀外形；

As the increase of Re ∞, the patterns of the ablative surface and the ablative shapes of nose for the laminar , transitional , and turbulent condition occur progressively .