PMID: 11308531Apr 20, 2001Paper

Anomalous scaling of velocity and temperature structure functions

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
R A Antonia, R J Smalley

Abstract

Scaling-range power-law exponents of velocity and temperature structure functions are examined through the dimensional analysis framework of the refined similarity hypotheses using measurements in a variety of turbulent flows and Reynolds numbers. The resulting magnitude of the scaling exponent associated with the locally averaged energy dissipation rate epsilon(r) is always larger than 2/3, whereas the exponent for the locally averaged temperature dissipation rate chi(r) is always smaller than 2/3. While the epsilon(r) exponent may be reconciled with the exponent of the velocity structure function, the distributions of the chi(r) and temperature structure function exponents are inherently different.

References

Nov 23, 2000·Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics·R A Antonia, R J Smalley

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Citations

Aug 11, 2001·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·J Mi, R A Antonia

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