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On the existence of a relation between the Kolmogoroff and von Kármán constants

✍ Scribed by Rainer Roth

Publisher
Springer
Year
1970
Tongue
English
Weight
208 KB
Volume
1
Category
Article
ISSN
0006-8314

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✦ Synopsis

A model is described, in which the mean vertical wind profile and turbulence spectra at different heights are calculated for a turbulent boundary layer without thermal stratification. The model makes use of Heisenberg's formula for the transfer of turbulent energy and is based on the assumption of a constant shearing stress in that boundary layer. As a result, a logarithmic wind profile follows with 0.39 as the value of von KArmAn's constant, which is -in this model -strongly related to the inertial subrange of the turbulent energy spectra and therefore to the Kolmogoroff constant.

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