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Prandtl number
noun
\ˈpräntəl\
Definition of Prandtl number
: the ratio of the product of the coefficient of viscosity and the specific heat at constant pressure to the thermal conductivity in fluid flow used especially in the study of heat transfer in mechanical devices
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Origin and Etymology of prandtl number
after Ludwig Prandtl †1953 German physicist; translation of German Prandtlsche zahl
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