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Cite Details

Susan Kurien and Katepalli R. Sreenivasan, "Anisotropic scaling contributions to high-order structure functions in high-Reynolds-number turbulence", Phys. Rev. E, vol. 62, pp. 2206--2212, 2000


We make an attempt at obtaining the scaling exponents for the anisotropic components of structure functions of order 2 through 6. We avoid mixing these components with their isotropic counterparts for each order by using tensor components that are entirely anisotropic. We do this by considering terms of the isotropic sector corresponding to j=0 in the SO(3) decomposition of each tensor, and then constructing components that are explicitly zero in the isotropic sector. We use an interpolation formula to compensate for the large-scale encroachment of inertial-range scales. This allows us to examine the lowest order anisotropic scaling behavior. The resulting anisotropic exponents for a given tensorial order are larger than those known for the corresponding isotropic part. One conclusion that emerges is that the anisotropy effects diminish with decreasing scale, although much more slowly than previously thought.

BibTeX Entry

author = {Susan Kurien and Katepalli R. Sreenivasan},
title = {Anisotropic scaling contributions to high-order structure functions in high-Reynolds-number turbulence},
year = {2000},
urlpdf = {http://math.lanl.gov/~skurien/papers/KurSre_aniso_pre00.pdf},
journal = {Phys. Rev. E},
volume = {62},
pages = {2206--2212}