... 绉状金属箔卷制填料 metal foil crinkled and twisted packing 骤扩 sudden enlargement 骤缩 sudden contraction ...
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In literatures, some information is presented about local loss coefficients of laminar flow through sudden enlargement, but they are limited to the only case of a uniform inlet velocity profile.
在已有文献中,关于圆管层流状态突扩流场的局部损失系数仅限于管道中流体速度的一维分布。
参考来源 - 低雷诺数圆管突扩流场的数值模拟及阻力特性分析·2,447,543篇论文数据，部分数据来源于NoteExpress
Theoretical and experimental study on the pipe flow with sudden enlargement pipe is made in this paper.
从理论和实验两个方面分析了突扩管流动。
Because she didn't really get started in the biz until 1998, I couldn't find any evidence of a sudden enlargement.
因为她并没有真正开始在商业，直到1998年，我找不到任何证据突然扩大。
These approaches were verified by some xperiments. In addition, two processes are introduced to solve the problem occurring in production, of a sudden enlargement upon the top area of a cold lap in …
提出了解决生产中易出现冷隔的顶部面积突然扩大的薄壁盖体类铸件的二种工艺途径。
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