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单词 Damköhler number III
释义 Damköhler number III
[`däm´kǝr·lǝr ¦nǝm·bǝr ¦thrē]
PHYSICS
A measure of the ratio of the heat liberated by a chemical reaction to the bulk transport of heat in a fluid, equal to the time it takes the fluid to travel a characteristic length, divided by the product of the fluid temperature and the time it would take for the chemical reaction to raise this temperature one unit if all the heat liberated by it were immediately absorbed by the fluid. Symbolized Da III.
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