five-fourths power law

five-fourths power law

[¦fīv ¦fȯrths ′pau̇·ər ‚lȯ]
(thermodynamics)
The proposition that the rate of heat loss from a body by free convection is proportional to the five-fourths power of the difference between the temperature of the body and that of its surroundings.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.