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单词 Grashof number
释义 Grashof number
[`gräs´hȯf ´nǝm·bǝr]
FLUID MECHANICS
A dimensionless number used in the study of free convection of a fluid caused by a hot body, equal to the product of the fluid's coefficient of thermal expansion, the temperature difference between the hot body and the fluid, the cube of a typical dimension of the body and the square of the fluid's density, divided by the square of the fluid's dynamic viscosity. Also known as free convection number.
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