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词汇 Froude number
分类 英语词汇 英语翻译词典
释义

Froude number

原声例句
Veritasium真理元素

So the Froude number is a measure of the ratio of inertial to gravitational forces.

因此弗劳德数是惯性力与引力之比的量度。

Veritasium真理元素

But actually to get the right wave dynamics, you have to use a different scaling which is based on the Froude number.

但实际上， 为了获得正确的波浪动力学，您必须使用基于弗劳德数的不同缩放比例。

中文百科

福禄数

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

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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