✦ LIBER ✦

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

✍ Scribed by Na, T. Y. ;Habib, I. S.

Publisher: Springer
Year: 1973
Tongue: English
Weight: 392 KB
Volume: 28
Category: Article
ISSN: 0003-6994
DOI: 10.1007/bf00413075

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✦ Synopsis

A new mode1 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 (Pf = .02 to 15) and fits the available experimental data very aceurately 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.

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