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Digitale Medien

Heat transfer in turbulent pipe flow based on a new mixing length model (1973)

Na, T. Y. ; Habib, I. S.

Springer

Flow, turbulence and combustion 28 (1973), S. 302-314

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Details

ISSN: 1573-1987

Quelle: Springer Online Journal Archives 1860-2000

Thema: Maschinenbau

Notizen: Abstract A new model for the heat transfer in turbulent pipe flow is presented based on a modified form of the mixing length theory developed by Cebeci [1] for boundary layer flow problems. The model predicts the velocity and temperature distributions and the Nusselt number for fluids with low, medium and high Prandtl numbers (Pr=.02 to 15) and fits the available experimental data very accurately for values of Reynolds number exceeding 104. Expressions for the eddy conductivity and for the turbulent Prandtl number are presented and shown to be dependent upon the Reynolds number, the Prandtl number, and the distance from the tube wall.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00413075

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