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Transport equations for the mean energy and temperature dissipation rates in grid turbulence

Identifieur interne : 000121 ( PascalFrancis/Curation ); précédent : 000120; suivant : 000122

Transport equations for the mean energy and temperature dissipation rates in grid turbulence

Auteurs : T. Zhou [Australie] ; R. A. Antonia [Australie] ; L. Danaila [France] ; F. Anselmet [France]

Source :

RBID : Pascal:00-0109681

Descripteurs français

English descriptors

Abstract

Simultaneous measurements of velocity and temperature fluctuations were made in the turbulent flow downstream of a grid-heated screen combination. The magnitudes of and m, the power-law exponents for the decay of turbulent energy and temperature variances, are nearly equal. This approximate equality is in conformity with the locations of the peaks in the three-dimensional turbulent energy and temperature spectra. The values of and m are consistent with the isotropic forms of the transport equations for the mean turbulent energy and temperature variance. They are also consistent, allowing for the measurement accuracy, with the isotropic forms of the equations for the mean turbulent energy and temperature dissipation rates
pA  
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A02 01      @0 EXFLDU
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A05       @2 28
A06       @2 2
A08 01  1  ENG  @1 Transport equations for the mean energy and temperature dissipation rates in grid turbulence
A11 01  1    @1 ZHOU (T.)
A11 02  1    @1 ANTONIA (R. A.)
A11 03  1    @1 DANAILA (L.)
A11 04  1    @1 ANSELMET (F.)
A14 01      @1 Department of Mechanical Engineering, University of Newcastle @2 N.S.W., 2308 @3 AUS @Z 1 aut. @Z 2 aut.
A14 02      @1 I.R.P.H.E., Université d'Aix-Marseille @2 13003 Marseille @3 FRA @Z 3 aut. @Z 4 aut.
A20       @1 143-151
A21       @1 2000
A23 01      @0 ENG
A43 01      @1 INIST @2 19904 @5 354000086247110040
A44       @0 0000 @1 © 2000 INIST-CNRS. All rights reserved.
A45       @0 49 ref.
A47 01  1    @0 00-0109681
A60       @1 P
A61       @0 A
A64 01  1    @0 Experiments in fluids
A66 01      @0 DEU
C01 01    ENG  @0 Simultaneous measurements of velocity and temperature fluctuations were made in the turbulent flow downstream of a grid-heated screen combination. The magnitudes of and m, the power-law exponents for the decay of turbulent energy and temperature variances, are nearly equal. This approximate equality is in conformity with the locations of the peaks in the three-dimensional turbulent energy and temperature spectra. The values of and m are consistent with the isotropic forms of the transport equations for the mean turbulent energy and temperature variance. They are also consistent, allowing for the measurement accuracy, with the isotropic forms of the equations for the mean turbulent energy and temperature dissipation rates
C02 01  3    @0 001B40G27G
C03 01  3  FRE  @0 Ecoulement turbulent @5 01
C03 01  3  ENG  @0 Turbulent flow @5 01
C03 02  X  FRE  @0 Structure turbulence @5 02
C03 02  X  ENG  @0 Turbulence structure @5 02
C03 02  X  SPA  @0 Estructura turbulencia @5 02
C03 03  X  FRE  @0 Turbulence homogène @5 03
C03 03  X  ENG  @0 Homogeneous turbulence @5 03
C03 03  X  SPA  @0 Turbulencia homogénea @5 03
C03 04  X  FRE  @0 Turbulence isotrope @5 04
C03 04  X  ENG  @0 Isotropic turbulence @5 04
C03 04  X  SPA  @0 Turbulencia isótropa @5 04
C03 05  X  FRE  @0 Déclin @5 05
C03 05  X  ENG  @0 Decay @5 05
C03 05  X  SPA  @0 Decadencia @5 05
C03 06  X  FRE  @0 Turbulence grille @5 06
C03 06  X  ENG  @0 Grid generated turbulence @5 06
C03 06  X  SPA  @0 Turbulencia rejilla @5 06
C03 07  X  FRE  @0 Equation transport @5 07
C03 07  X  ENG  @0 Transport equation @5 07
C03 07  X  SPA  @0 Ecuación transporte @5 07
C03 08  X  FRE  @0 Dissipation énergie @5 08
C03 08  X  ENG  @0 Energy dissipation @5 08
C03 08  X  SPA  @0 Disipación energía @5 08
C03 09  3  FRE  @0 Etude expérimentale @5 09
C03 09  3  ENG  @0 Experimental study @5 09
C03 10  3  FRE  @0 Mesure vitesse @5 10
C03 10  3  ENG  @0 Velocity measurement @5 10
C03 11  3  FRE  @0 Mesure température @5 11
C03 11  3  ENG  @0 Temperature measurement @5 11
C03 12  3  FRE  @0 4727G @2 PAC @4 INC @5 56
N21       @1 080

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