| 单词 | free vortex |
| 释义 | > as lemmasfree vortex free vortex n. Physics and Engineering (in fluid dynamics) a vortex in which the streamlines are concentric circles but the fluid flow is otherwise irrotational. ΚΠ 1898 Philos. Trans. 1897 (Royal. Soc.) A. 190 229 In the present complete survey of the individual atoms there is no such entity as mechanical force, any more than there is on a free vortex ring in fluid.] 1906 W. H. S. Garnett Turbines 265 Now there are two kinds of vortex: the free vortex..is the whirlpool formed by sucking rotating water towards the centre of the motion. 1969 B. H. Jennings & W. L. Rogers Gas Turbine Anal. & Pract. v. 213 In this free-vortex distribution the pressure rise in the moving row is greatest at the tip and least at the hub. 2007 Aquacultural Engin. 36 41/1 The velocity increases again in the inner part of the vortex, due to the effect of the free vortex formed by the water outlet. < as lemmas |
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