讨论应用线性和非线性涡粘性湍流模式计算跨声速湍流 。
The comparison of turbulence models applied to viscous ship flow computation;
讨论应用线性和非线性涡粘性湍流模式计算跨声速湍流 。
Study of separated flow in a diffuser using linear and nonlinear eddy-viscosity turbulence models;
计算中采用了半正交曲线坐标系和涡粘性各向异性湍流模型。
The curvilinear semiorthogonal coordinate system and a turbulence model considering the anisotropy of eddy-viscosity are used.
采用两层涡粘性模型和速度剖面的指数律导出机械能方程的耗散积分解析表示式。
An analytical expression of dissipation integral for kinetic energy integral equation is derived by two-layer eddy viscosity turbulence model and the power law of the velocity profile.
在双时间尺度紊流模型的基础上，对线性涡粘性模型进行了修正，建立了封闭的非线性双时间尺度紊流模型。
Based on the modified nonlinear algebraic stress model for turbulent flow, a closed non-linear multiple time scale model is established.
计算结果表明，采用本文改进的涡粘性模型和涡粘性分布的平滑办法，对文中所计算的几种情况，都给出了满意的结果。
For several situation presented in this paper satisfactory results are obtained using an improved eddy viscosity model and a smooth method of the eddy viscosity distribution.
结果表明：粘性耗散与塔架效应是引起尾涡变形的主要原因。
The result shows that viscidity dissipation and tower effect are main reasons of wake eddy distortion.
然后利用矢量势和涡方程以及人工瞬变方法计算封闭腔中水的三维粘性自然对流。
Then, the vector potential and vorticity equations and the method of the false transient are applied to compute the three-dimensional viscous natural convection.
结果表明：由于粘性的存在，使得涡环与自由表面的相互作用与无粘情形相比有许多不同。
The results show that the interaction between a viscous vortex ring and a free surface is different from the inviscid one.
对混合层流动进行了数值模拟。采用了离散涡方法。计算中采用扩散速度法处理粘性作用项。
The mixing layer flow was numerically simulated by the discrete vortex method, in which the diffusion velocity method was adopted to model the viscosity.
在估算紧密编队飞行中长机翼尖涡对僚机的影响时，本文在所用到涡模型中也考虑了由空气粘性引起的涡流随时间的衰减效应。
We also consider the effect of vortex decay over time caused by the viscidity of atmosphere in our vortex model in estimating the vortex effect experienced during the close proximity formation flight.
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.
实验并且采用考虑粘性的涡传输方程计算端弯压气机叶片通道出口二次流。
The outlet secondary flows in compressor cascades with end-bend blades have been studied experimentally and numerically. The viscous secondary vorticity equations are applied to prediction.
实验并且采用考虑粘性的涡传输方程计算端弯压气机叶片通道出口二次流。
The outlet secondary flows in compressor cascades with end-bend blades have been studied experimentally and numerically. The viscous secondary vorticity equations are applied to prediction.
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