对可压缩流动转捩机制的研究有重要的理论与工程意义。
The study of the mechanism of transition of compressible flow is of significant importance both from the theoretical and practical point of view.
推导了可压缩流动旋涡动力学基本方程,并分析了其基本性质。
The Vortex Dynamics Equation is developed for compressible flow and its characteristics are analyzed.
如同不可压流动,在可压缩流动中旋涡同样具有场与物质两重特征。
As in the incompressible flow, the Field and Matter Bicharacteristics of Vortex also have been demonstrated.
提出了一种新的适于不可压缩流动有限体积差分计算的多重网格法。
Proposed is a new multi grid scheme suitable for calculating incompressible flows in turbomachinery.
本文首先导出粘性不可压缩流动的新的总压方程,然后采用隐式方法对该总压方程进行数值计算。
Firstly, a new total pressure equation of the viscous incompressible flow is introduced in this paper. Then, this equation is numerically computed by use of the implicit method.
本文在交错网格上对二维驱动方腔流问题进行计算,求解了二维不可压缩流动的涡流流函数方程。
Finite spectral method combined with QUICK scheme to solve the cavity flows on staggered grid was presented.
目前,在计算非定常不可压缩流动的原始变量形式的数值方法中,投影方法得到了越来越广泛的应用。
The projection methods are currently among the most popular methods for solving viscous incompressible flow based on the primitive variable formulations.
本文研究了定常、非定常二维粘性不可压缩流动在分离点附近的流线性状,给出了判定分离的通用判据。
The streamline behaviour near a separation point of two dimensional steady and unsteady viscous flow is studied, and a general criterion for flow separation is presented in this paper.
液态物质的一种状态,指物质表现出易于流动,较少或没有分散的倾向以及相对较高的不可压缩性等特征。
The state of matter in which a substance exhibits a characteristic readiness to flow, little or no tendency to disperse, and relatively high incompressibility.
书针对化学工程应用,并且从而这热局限于是可压缩的流动(低的马赫数)。
The book is aimed at chemical engineering applications, and consequently it is limited to thermally compressible flows ( low Mach numbers).
为了加深对复杂流动混合现象的认识,为化工设备设计提供理论基础,用大涡模拟方法对可压缩气体混合层进行了三维数值模拟。
To offer a theoretical foundation for chemical equipment design, three-dimensional numerical simulations are made for compressible turbulent mixing shear layer based on large eddy simulation(LES).
在跨声速风洞中研究了声激励对于可压缩流中细长旋成体大迎角流动非对称性的影响效果。
The effect of acoustic excitation on the flow asymmetry over a slender body in compressible flows was investigated in a transonic wind tunnel.
针对幂律型流体,建立了稳态三维粘性不可压缩流体非等温流动的有限元模型。
The modeling for three-dimensional incompressible viscous non-isothermal steady flow was presented by using penalty finite element method.
本文提出了基于微分-积分方程组求解n - S方程的有限差分法求解不可压缩实际粘性流体绕孤立翼型流动。
A finite difference method based on differential-integral equation is presented for the solution of Navier-Stokes equations for incompressible viscous flow.
稳态热流和不可压缩流体的流动可相比拟。
Steady-state heat flow is comparable to the flow of an incompressible fluid.
但由于可压缩非定常位势流动的控制方程是双曲型的,简单地把时间当作同空间一样的物理维来求解是不可行的。
Because the governing equations for compressible unsteady potential flow is hyperbolic, looking time dimension as space dimension in the same way is never appropriate.
我们首先考虑二维不可压缩流体通过正交各向异性土层的定常流动。
We will consider first the case of two-dimensional incompressible steady flow through orthotropic soil.
运用罚有限元方法,对油泵导壳内部三元粘性不可压缩定常流动建立了罚有限元方程。
The penalty finite element equation for ternary viscous incompressible permanent flow inside the guide shell of an oil transmission pump is established by using the penalty finite element method.
本文应用摄动法给出了一种简便的计算任意二元和轴对称细长喷管可压缩有势流动的近似解析方法。
A simple and approximate analytical method for calculations of compressible potential flows in arbitrary two-dimensional and axially symmetric slender nozzles is given using perturbation technique.
分别对可压缩叶栅流场的亚音速和跨音速流动进行了数值模拟计算。
Some cases of compressible flow as well as incompressible flow are presented.
水轮机转轮内的真实流动是随机的三维粘性不可压缩湍流。
The runner of water turbine which true fluent is accidental, three-dimensional, viscid and incompressible flow.
考虑表面张力的作用,研究了不可压缩、无粘性流体流过变化壁面时的共振流动,分析了不同的底部壁面变化对非线性表面波的影响。
The resonant flow of an incompressible, inviscid fluid with surface tension on varying bottoms was researched. The effects of different bottoms on the nonlinear surface waves were analyzed.
从新的连续介质模型出发,导出不可压缩牛顿流体在各向同性多孔介质中流动的渗流基本方程。
Then the fundamental equations of the incompressible Newton fluid flowing in the isotropy porous media are derived according to the new continuum model.
环缝洗涤器内是一个高速可压缩三维流动过程,并伴随有高炉煤气和雾化水滴的两相流动传热。
In the annular gap scrubber, there exists complicated three-dimensional compressible flow associated with the two phase flow and heat transfer between gas and water particle.
阐述了二维弱可压缩流体流动控制方程和大涡模拟湍流模型。
The weakly compressible fluid control equations and the large eddy simulation turbulence model are expounded.
涡流管内能量分离过程与工质的运动密切相关,管内可压缩气体流动是涡流管能量分离的根本原因与驱动力。
It is clearly that energy separation has closely relationship with the moving of compressed gas in the tube, which is the source of energy separation.
通过数值求解带有动量源项的三维不可压缩N-S方程,模拟了共轴式双旋翼的流动。
The 3 D incompressible N S equations with momentum source terms are solved to simulate the flow fields of coaxial rotor configurations.
介绍了小马赫数下弱可压缩流体流动的模型,对该模型的数值求解方法和应用情况也做了叙述。
The paper introduce a weakly compressible flow model for small Machnumber. Both corresponding numerical solutions of the method and the applications are given.
采用流函数-涡量法对粘性不可压缩流体的二维瞬态流动进行模拟计算。
The stream function-vorticity method has been used to simulate two-dimensional transient state of incompressible viscous flow.
采用流函数-涡量法对粘性不可压缩流体的二维瞬态流动进行模拟计算。
The stream function-vorticity method has been used to simulate two-dimensional transient state of incompressible viscous flow.
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