基本释义:

定常流

网络释义

1)steady flow,定常流

2)unsteady flow,非定常流

3)steady flow,定常流动

4)quasi-steady flow,准定常流

5)unsteady flows,非定常流

6)Steady airflow,定常气流

用法和例句

Methods: The steady flow model and the pulsating flow model in the ductworkin vitrowere established.

方法:建立体外管道系统液体的定常流和脉动流模型,改变体流动速度探查导丝上两热电偶探头间距及管道内液体流动速度,用温度变化感应法测定并计算液体流动速度,所得数据与电磁流量计测得的平均速度进行相关性比较。

The number and distribution of the singular points of streamlines in the cross section of steady flow through a curved tube are discussed by using the method of topological structure analysis.

利用拓扑结构分析方法 ,分析了弯曲圆管内定常流在横截面上流线的奇点个数及分布规律 ,给出了二次流的漩涡数目由 2个变为 4个 ,流态结构发生分叉现象的理论判据·　进而 ,利用Galerkin方法 ,得到了弯曲圆管内定常流的流函数和轴向速度的半解析表达式 ,给出了流态结构发生分叉现象的临界Dean数 ,所得结果与理论判则一

It is showed by Galilean transformation of Euler’s formula that the flow type offluid will be different in different reference systems．As Bernoulli’s equation is valid only inreference systems in which ideal fluid flows in steady flow type，it is important to select aproper inertiai reference system in dealing with hydrodynamics problems such as Magnus ef-fect.

由于伯努利方程只适用于理想流体在其中作定常流的惯性系，从而说明在诸如马格努斯效应等流体动力学问题中选择合适惯性系的重要性。

Pressure gradient of unsteady flow of fluid in eccentric annulus with the inner cylinder reciprocating axially;

流体在内管做轴向往复运动偏心环空中非定常流的压力梯度

Flow rate distribution of the unsteady flow of power law fluid in eccentric annuli with the inner cylinder reciprocating axially;

幂律流体在内管做轴向往复运动的偏心环空中非定常流的流量分布

Numerical simulation of unsteady flow around propeller and rudder with additional thrust fin;

非定常流中桨后舵附推力鳍的数值模拟

Applying the law of conservation of mass,movement theorem of steady flow, and applying the mathematical method of stream function with the consideration of the axis symmetry,the three components of velocity quantum of the flow are deduced in detail.

本文详细阐述了旋风分离器内流动在球坐标系中的数学表述和结果，应用质量守恒定律和定常流动的运动定律，在轴对称的考虑下，用流函数方法详尽推导了流动的三个速度分量。

A method of semi-false transient to compute three dimensional steady flow was presented.

本文提出一种计算三维定常流动的半人工瞬变法,本方法的特点是直接利用流体力学的原始基本方程组进行数值计算。

On the hypothesis of isentropic flow and quasi-steady flow,a model of gas parameters in the storage chamber is established by a method of the lumped parameters.

在等熵流和准定常流假设条件下,采用集总参量法,建立了弹后高压火药气体通过小孔在弹体内气室与弹后空间之间流动的气体参数理论计算模型。

Numerical Simulation of 3-D Steady and Unsteady Flows in Whole Flow Passage of a Francis Hydro-turbine

混流式水轮机全流道三维定常及非定常流数值模拟

The Research of Unsteady Flow of Viscoelastic Fluid in Eccentric Annulus;

粘弹性流体偏心环空非定常流的研究

Time domain spectral methods for unsteady flow computations

时域谱方法用于内流非定常流动计算

Non-steady Flow Method for Measuring the Micro Flow at Constant Micropressure

恒定微压下微小流量的非定常流测量方法

Numerical calculation of unsteady flow of viscoelastic fluid in eccentric annulus

黏弹性流体在偏心环空中非定常流的流量计算

3-D Unsteady Flow Field Numerical Simulation of Whole Flow Passage in Francis Turbine

混流式水轮机全流道三维非定常流场数值模拟

When is a Flow Compressible [For Both Steady and Unsteady Flow]?

什么时候流动是可压缩的[对定常和非定常流来说]？

Fluid Flow and Mass Transfer Characteristics in a Wavy-Walled Tube for Steady Flow;

定常流场下波壁流路内的流体流动及质量传递特性

Prediction and monitor of vertical array in steady stream

定常流作用下垂直阵线形预报及测量

Numerical Method for Unsteady Flows of Flexible Flapping-wings

柔性扑翼非定常流场的数值计算方法

Measurement of Intake Flowrate of ICE with Quasi-steady Flow Method

准定常流法测量内燃机脉动进气的瞬时流量

Numerical Calculation of Unsteady Flow of Viscoelastic Fluid in the Eccentric Annulus;

粘弹性流体偏心环空非定常流的数值计算

Numerical Investigation of Unsteady Vortex Flow Fields in a Draft Tube;

混流式水轮机尾水管涡带非定常流动数值模拟

Numerical Investigation on Two Dimensional Unsteady Flow in Turbine Cascade;

轴流叶轮机械二维叶栅非定常流动数值模拟

Numerical Simulation of Steady and Unsteady Flow Field in a Slurry Pump

渣浆泵内部流场的定常与非定常数值模拟

Analysis of Steady and Unsteady Control of Flow Separation in Low-Speed Axial Compressor;

低速轴流压气机中流动分离的定常与非定常控制研究

MAINTENANCE MECHANISMS OF UPPER TROPO SPHERIC STATIONARY WAVE ANOMALY TELECONNECTION PATTERNS

对流层上层定常波异常遥相关型的维持机制

The Riemann Problem with Three Constants for Steady Zero-pressure Isentropic Flown;

定常零压等熵流的三片常数的黎曼问题(英文)