transport mean free path
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transport mean free path[′tranz‚pȯrt ′mēn ′frē ‚path]
A path length equal to three times the diffusion coefficient of neutron flux in a nuclear reactor when Fick's law is applicable.
A modification of the mean free path to take into account anisotropy of scattering and the persistence of velocities.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.