...流体密度 v :流体流速 μ:流体黏度 层流(laminar flow) :Re分子流(molecular flow) : *CVD的设计希望气体以层流方式进行 CVD原理 边界层的厚度δ: 将Re代入,δ表示为: 0 2 v D x ρ µ δ ∝ Re 2 x ∝ δ CV...
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...然科学版、英文版) 关键字: 分子流; 气体透过法; 细粉末; 超微粉末; 比表面积; 粒度[gap=415]Key words: molecules flow; gas permeating method; fine powders; ultra-fine powders; specific surface; par..
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所采用的模型为:分子流;真空室为无限长圆柱形容器;
The following physical model used is such as free-molecular flow;
从近连续流到近自由分子流,计算分析超声速流场的稀薄效应。
Rarefaction effect on supersonic flow fields in the transition from near continuum to near free-molecule flow is analyzed numerically.
给出了分子流扩散方程的边界条件,推导出入口压力在线性近似下方程的解。
The molecule flow diffusion equation and the boundary conditions are given. The solution with linear approximation of entrance pressure is presented.
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