Expression for eddy diffusity from previous analysis (Tech Note 2629, indexed in Engineering Index 1952 p 368) was modified in order to account for effect of kinematic viscosity in reducing turbulence in region close to wall; by using modified expression, good agreement was obtained between predicted and experimental results for heat and mass transfer at Prandtl and Schmidt numbers between 0.5 and 3000.
Analysis of turbulent heat transfer, mass transfer, and friction in smooth tubes at high Prandtl and Schmidt numbers
NACA -- Tech Note
1954
53 pages
Report
English
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