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单词 critical velocity
释义 critical velocity
[`krid·ǝ·kǝl vǝ`läs·ǝd·ē]
AEROSPACE ENGINEERING
In rocketry, the speed of sound at the conditions prevailing at the nozzle throat. Also known as throat velocity.
CRYOGENICS
The velocity of a superfluid in very narrow channels (on the order of 10-5 centimeter), which is nearly constant. Also known as critical speed.
FLUID MECHANICS
1. The speed of flow equal to the local speed of sound. Also known as critical speed.
2. The speed of fluid flow through a given conduit above which it becomes turbulent.
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