Issue |
Europhys. Lett.
Volume 44, Number 2, October II 1998
|
|
---|---|---|
Page(s) | 156 - 161 | |
Section | General | |
DOI | https://doi.org/10.1209/epl/i1998-00450-8 | |
Published online | 01 September 2002 |
Relative scaling exponents of n-th–order velocity and temperature structure functions
Department of Mechanical Engineering, University of Newcastle, N.S.W. 2308, Australia
Received:
27
April
1998
Accepted:
27
August
1998
Scaling exponents of the moments of the instantaneous velocity vector
fluctuation increment, and its components
and
are compared with those of the temperature fluctuation
increment,
in the self-preserving region of a cylinder
wake. Across the wake,
scaling exponents compare more favorably
to those of
than do
with
mainly
because
is interdependent on
and
The
agreement between scaling exponents of
or
with those
of
do not seem to depend on either the local mean shear or
although the individual magnitudes of these exponents increase
with
and decrease with the local mean shear.
PACS: 05.40.+j – Fluctuation phenomena, random process, and Brownian motion / 05.45.+b – Theory and models of chaotic systems / 47.27.Gs – Isotropic turbulence; homogeneous turbulence
© EDP Sciences, 1998
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