粘性流体力学 meaning in English
mechanics of viscous fluids
viscous fluid flow
viscous fluid mechanics
Examples
- Several research advances in viscose fluid mechanics
粘性流体力学研究的若干进展 - The author makes a mathematics model by viscous hydrodynamics and so on theories of the flowing material a and b on the board , and deduces the formulas of the film thickness and perfusion measure . i also analyze the surface tension of liquid , in order to find out the best technical parameters and to control
作者利用粘性流体力学等理论建立了a 、 b混合料在太阳能电池板上流动的数学模型，从而推导出薄膜的厚度和灌注量的计算公式，并对所形成液面的表面张力进行分析，以找出最佳的技术参数，以便对其进行控制。 - 4 . based on the viscous hydrodynamics , the leakage characteristics of newton liquid that is transmitted by helical gear pump are researched for the aim of the least power loss , and the leakage model is founded , the mathematic models of the radial and the axial leakage are gained . at the same time the optimal radial leakage and axial leakage are got , and the numerical calculation is achieved
基于粘性流体力学，以功率损失最小为目标，首次对牛顿流体在斜齿齿轮泵中的漏流特性进行了研究，建立了泄漏模型，分别得到了斜齿齿轮泵的径向和轴向泄漏的数学计算模型；同时得到了斜齿齿轮泵最佳径向间隙和最佳轴向间隙，并在此基础上进行了数值计算。 - A simplified set of equations for analysis of the filling . finite difference methods are used for the pressure calculation . advancement of flow f ront uses a control volume approachand dynamic simulation of the moldfilling process is achieved . other is wetting out process which is the most critical stage in rtm . this stage is a typical porous media flow problem
从粘性流体力学的质量和动量方程出发，建立了描述充模流动过程的数学模型，利用有限差分法求解压力方程，并利用控制体积法跟踪流体前沿；第二部分是充模流动的主体部分，属于典型的多孔介质的流动问题。 - Firstly , based on n - s equation , the momentum differential equation （ contained centrifugal force ） is derived by simplification in boundary layer and then integrates the differential equation over the thickness of the boundary layer , the momentum integral equation is deduced . the dimensionless centrifugal factor is introduced , then the solution of the momentum integral equation is obtained . the dimensionless group is introduced to determined separation of boundary layer
本文首先根据粘性流体力学的一般方程，通过在边界层内进行量级比较，在所限定的范围内得到了含有离心力的边界层动量微分方程并给出其满足的边界条件，然后对该微分方程在边界层内积分得到离心泵叶轮边界层动量积分方程，在求解过程中引入了无量纲离心因子，并作了相应合理的假设，得出积分方程解的一般表达式，并引入以边界层动量损失厚度为主要特征量的无量纲参数对边界层分离进行评价。