viscous dissipation function
viscous dissipation function
[′vis·kəs ‚dis·ə′pā·shən ‚fəŋk·shən] (fluid mechanics)
A quadratic function of spatial derivatives of components of fluid velocity which gives the rate at which mechanical energy is converted into heat in a viscous fluid per unit volume. Also known as dissipation function.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
The dimensionless
viscous dissipation function [[Phi].sup.*] is given by:
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