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不可压缩     
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  incompressible
Chebyshev spectral-finite element method for incompressible fluid flow
      
Characteristics difference method for incompressible miscible flow in porous media
      
Two-phase, incompressible miscible flow in prous media is governed by a system of nonlinear partial differential equations.
      
Finite element approximations of two-phase miscible incompressible displacement with discontinuous coefficients
      
Two-phase, miscible, incompressible flow in porous media is governed by a system of nonlinear partial differential equations.
      
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  incompressibility
The problem of vibratory lifting of a fluid was considered in [1] on the assumption of incompressibility of the pump tubing.
      
An equation of the gas-kinetic theory of lubrication is obtained under the assumption of incompressibility of the gas on the basis of solution of the Boltzmann equation by the moment method with a special approximating function.
      
Incompressibility approximation in magnetohydrodynamics
      
The established fact of fluid incompressibility at short times is used.
      
Our free energy functional of a liquid-crystal membrane allows for incompressibility of the membrane and vanishing of the in-plane shear modulus and obeys reflectional and rotational symmetries of the flat bilayer.
      
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  an incompressible
Effect of transverse stream velocity in an incompressible boundary layer on the stability of the laminar flow regime
      
We consider in the nonlinear formulation the steady-state motion of an incompressible viscous fluid between two concentric spheres, into the gap between which fluid enters through one hole and leaves through a second.
      
The problem of steady rotational motions of an incompressible viscous fluid at small Reynolds numbers (R>amp;lt;1) between surfaces of rotationspecified in parametric form (1.3) is considered.
      
Stability of laminar boundary layer on an elastic surface in an incompressible fluid
      
Stability of a laminar boundary layer in an incompressible fluid with variable physical properties
      
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  incompressible fluid
Chebyshev spectral-finite element method for incompressible fluid flow
      
Boundary control of a laminar flow of a viscous incompressible fluid in the generalized Couette cell.
      
In this paper, a limiting problem for an optimal boundary control problem of a laminar flow of a viscous incompressible fluid in the generalized Couette cell, when the number of inner cylinders unrestrictedly increases, is obtained.
      
A formulation and solution procedure of optimal control problems for perturbed relative uniform motion of a body with a cavity filled with a viscous incompressible fluid are proposed.
      
Methods and algorithms of numerical simulation for three-dimensional thermal-convective motions of the inhomogeneous high-viscosity incompressible fluid in the direct and inverse time are described.
      
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  其他


In a previous paper[1], a theoretical analysis has been presented to the heat-transfer coefficient for laminar boundary layer flow in the entrance region of a circular tube. This is a succeeding one based on Karman's method of approach, to attack the entrance effect on flow-friction behavior of an isothermal boundary layer flow of incompressible fluid. The family of climensionless velocity profiles is well defined by eq. (3) and (4). The predicted friction coefficients from eq. (17) or (19), eq. (23), (25) and...

In a previous paper[1], a theoretical analysis has been presented to the heat-transfer coefficient for laminar boundary layer flow in the entrance region of a circular tube. This is a succeeding one based on Karman's method of approach, to attack the entrance effect on flow-friction behavior of an isothermal boundary layer flow of incompressible fluid. The family of climensionless velocity profiles is well defined by eq. (3) and (4). The predicted friction coefficients from eq. (17) or (19), eq. (23), (25) and (26), eq. (28) and (30) respectively are in good agreement with the complicated Langhaar's solution[6] and data reported in the literature[3,5,7,16].

本文是文[1]的继续。文中,在直圆管具有平滑进口及流体是不可压縮的假定下,对圆管进口段层流边界层发展区的流动阻力与壁面摩擦阻力作了环状边界层的理论分析,提供了常物性情况下的简捷近似計算解;并对新的实验资料及其經驗綜合式作了分析和討論,証明这些数据与以前文献中所报导的結果实质上相互符合,而文献[4]所推荐的綜合式还没有最真实地反映出原始数据的规律性。

In this paper, a method of calculation of heat-transfer rate for blunt-bodies in the case of hypersonic turbulent boundary-layer is presented. In order to transform the compressible and axisymmetrical turbulent boundary-layer flow to an incompressible and two-dimensional turbulent boundary-layer flow, the Mager - - Mangier transformation has been applied. According to the characteristics of hypersonic, turbulent boundary-layer with favourable pressure gradient, the classical single-parameter representation has...

In this paper, a method of calculation of heat-transfer rate for blunt-bodies in the case of hypersonic turbulent boundary-layer is presented. In order to transform the compressible and axisymmetrical turbulent boundary-layer flow to an incompressible and two-dimensional turbulent boundary-layer flow, the Mager - - Mangier transformation has been applied. According to the characteristics of hypersonic, turbulent boundary-layer with favourable pressure gradient, the classical single-parameter representation has been chosen for skin-friction and the form factor in the momentum equation; and the error introduced by the transformation is corrected by a suitable choice of the gas temperature according to Eckert's reference enthalpy. Finally, the heat transfer coefficient is obtained by the corrected Reynolds analogy. The results agree well with the available experiments.

本文针对沿钝体表面的湍流热交换率作了理论分析和计算.本文采用了联合转换式把可压缩轴对称边界层问题转化为不可压缩平面问题,并根据超高速顺压力梯度湍流边界层的特点,在动量积分方程中引用经典的单参数的摩擦阻力律和型参数,然后按Eckert参考焓针对气体性质的误差作了修正.最后,根据近似Reynolds比拟关系求得热交换率.计算给果与实验给果是比较符合的.

In this paper we consider two cases of finite-amplitude shearing oscillations of a thick-walled cylindrical tube made of elastic incompressible material——the rotatory and longitudinal shearing oscillations. For the Mooney material both cases are reduced to a linear partial differential equation solvable by the Fourier method. The solution of the initial-boundary problem for the case of free inner surface and clamped outer surface is given.

本文讨论了不可压缩弹性圆筒有限幅度剪切振动的两个情形——绕轴线的和沿轴线的剪切振动.对于Mooney材料,这两个情形均归结为可用Fourier方法求解的线性偏微分方程.给出了圆筒内表面自由和外表面固定情形初始边值问题的解.

 
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