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A new proposal for Lagrangian correlation coefficient

✍ Scribed by N Altınsoy; A.B Tuǧrul

Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
116 KB
Volume
23
Category
Article
ISSN
0142-727X

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✦ Synopsis

The statistical description of dispersion in turbulent flow was first considered by Taylor (Proc. London Math. Soc. 20 (1921) 196) and the statistical properties of the field were determined by Lagrangian correlation coefficient R L ðsÞ. Frenkiel (Adv. Appl. Mech. 3 (1953) 61) has proposed several simple forms for R L ðsÞ. Some workers have investigated for a proper form of the Lagrangian correlation coefficient. In this work, a new proposal for the Lagrangian correlation coefficient is proposed and discussed. It can be written in general form with the one of the Frenkiel's (Adv. Appl. Mech. 3 (1953) 61) Lagrangian correlation coefficient. There is very satisfactory agreement between the new correlation and the experiment.

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