







vortex tube
Longitudinal vortices have stretch and deformation.
The flux through the wall of the vortex tube is zero by its definition.

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Open the tool →涡管 (wō guǎn) means “vortex tube”.
涡管 is pronounced wō guǎn in Mandarin Chinese.
“vortex tube” is 涡管 (wō guǎn) in Chinese.
This page has 2 example sentences using 涡管, each with pinyin and an English translation.