Crossref journal-article
The Royal Society
Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences (175)
Abstract

The statistical theory of turbulence, initiated by Taylor (1935) and v. Kármán & Howarth (1938), has recently been developed so far that a satisfactory explanation of the spectral distribution of energy among the turbulent eddies can be given. In fact Kolmogoroff (1941 a, b ) and independently Onsager (1945) and v. Weizsaecker (1948) have introduced a similarity hypothesis, which allows a determination of the spectrum for eddies with large Reynolds numbers, and the author (Heisenberg 1948) has extended these calculations to include those frequency components which have small Reynolds numbers. Since the distribution of energy among the largest eddies must be a geometrical and not a statistical problem, one may say that the statistical part of the spectrum is now well understood. Recently Batchelor & Townsend (1947, 1948 a, b ) have studied the decay of turbulent motion caused by a mesh grating in a wind tunnel, and the following discussions will apply the statis­tical theory to this problem. For the calculations the notation of Heisenberg (1948) will be used. If pF(k)dk denotes the energy contained between the wave numbers k and k + dk , the following equation for the dissipation of energy was given (Heisenberg 1948, equation (13)): S k = { μ + pk ∫( F ( k '') / k '' 3 ) dk " } ∫ k 0 2 F ( k ') k ' 2 dk '.

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References 12 Referenced 165
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Dates
Type When
Created 18 years, 8 months ago (Dec. 15, 2006, 1:43 p.m.)
Deposited 4 years, 6 months ago (Feb. 18, 2021, 5:17 p.m.)
Indexed 2 months, 1 week ago (June 21, 2025, 2:02 a.m.)
Issued 76 years, 8 months ago (Dec. 22, 1948)
Published 76 years, 8 months ago (Dec. 22, 1948)
Published Online 28 years, 8 months ago (Jan. 1, 1997)
Published Print 76 years, 8 months ago (Dec. 22, 1948)
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None

@article{1948, volume={195}, ISSN={2053-9169}, url={http://dx.doi.org/10.1098/rspa.1948.0127}, DOI={10.1098/rspa.1948.0127}, number={1042}, journal={Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences}, publisher={The Royal Society}, year={1948}, month=dec, pages={402–406} }