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词汇 Critical flow
分类 英语词汇 英语翻译词典
释义

Critical flow

英语例句库

Successive gaslift craft wants computation to be in charge of a shoe to be in contented stability to take the critical velocity of flow of fluid and critical flow.

连续气举工艺要计算管鞋处满足稳定带液的临界流速和临界流量。

This device should be installed at the furthermost downstream end of the supply pipe or fixture where temporary spillage due to critical flow pressure conditions can be discharged harmlessly.

这种装置应该安装在供应管道或卫生洁具下游尽可能远，并且由于临界水压环境可能产生无害排放的暂时性喷溅的地方。

中文百科

福禄数 Froude number

（重定向自Critical flow）

福禄数（Froude number,Fr）为流体力学中无量纲的纯量，为惯性力和重力效应之比，公式如下：

式中U为流体速度，L为物体特征长度，g为重力加速度。

明渠流和波浪力学中都常用到福禄数。在明渠流中，长度L为水深h。在波浪力学中，福禄数代表平均流速与重力波的波速之比。

英语百科

Froude number 福禄数

（重定向自Critical flow）
The hulls of swan (above) and raven (below). A sequence of 3, 6, and 12 (shown in the picture) foot scale models were constructed by Froude and used in towing trials to establish resistance and scaling laws.

In continuum mechanics, the Froude number (Fr) is a dimensionless number defined as the ratio of the flow inertia to the external field (the latter in many applications simply due to gravity). Named after William Froude (/ˈfruːd/;), the Froude number is based on the speed–length ratio as defined by him, and is defined as:
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