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Theoretical analogies between heat, mass and momentum transfer and modifications for fluids of high prandtl or schmidt numbers
Author(s) -
Metzner A. B.,
Friend W. L.
Publication year - 1958
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450360603
Subject(s) - prandtl number , schmidt number , turbulent prandtl number , turbulence , heat transfer coefficient , thermodynamics , mass transfer , momentum (technical analysis) , momentum transfer , mechanics , heat transfer , magnetic prandtl number , physics , mathematics , nusselt number , statistical physics , reynolds number , optics , economics , finance , scattering
The presently‐available analogies for turbulent flow inside smooth round tubes are reviewed in detail; an empirical coefficient in the most promising equation is evaluated experimentally using the first heat transfer data of high accuracy obtained in the region of Prandtl numbers above 100. The final correlation is based on both heat and mass transfer data, and covers Prandtl (or Schmidt) numbers from 0.46 to 3,000. Up to Prandtl or Schmidt numbers of 600 the results are correlated with a standard deviation of 9.4%.