The examination of Turbulence Modeling with LES Database

Su Ming-de; R. Friedich

Volume 15 Issue 11

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Article Navigation > Applied Mathematics and Mechanics > 1994 > 15(11): 991-997

Su Ming-de, R. Friedich. The examination of Turbulence Modeling with LES Database[J]. Applied Mathematics and Mechanics, 1994, 15(11): 991-997.

Citation:

Su Ming-de, R. Friedich. The examination of Turbulence Modeling with LES Database[J]. Applied Mathematics and Mechanics, 1994, 15(11): 991-997.

Citation:

Su Ming-de, R. Friedich. The examination of Turbulence Modeling with LES Database[J]. Applied Mathematics and Mechanics, 1994, 15(11): 991-997.

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The examination of Turbulence Modeling with LES Database

Su Ming-de¹,
R. Friedich²

1.
Qinghua University, Beijing;
2.
Lehrstuhl für Fluidsmechanik Technische Universitt Mnchen, Germany

Received Date: 1993-03-05
Publish Date: 1994-11-15

Abstract

Abstract

In this paper the database obtained from LES is used to examine the algebraic turbulence model in Demuren and Rodi's work.The results show that the prediction of normal Reynolds strasses and turbulence energy by means of means of turbulence modeling is better than that of shear Reynolds stresses,The comparison shows the LES method can be used to examine turbulence modelling.
- turbulence,
- Large Eddy Simulation(LES),
- turbulence model

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References(6)

References

[1]	Launder,B. E. and W. M.,Ying. Secondary slows in ducts of square cross-section,J. of Fluid Mech.,54 (1972),289-295.
[2]	Demuren,A. O. and W. Rods,Calculation of turbulence-driven secondary motion in non-circular ducts,J. Fluid Merh.,140(1984),189-222.
[3]	Su,M. D. and R. Friedrich,LES of Fully Developed Turbulent Flow in a Straight Duct,Eighth Symposium on Turbulent Shear Flow,Munich,Sept.(1991).
[4]	Su,M. D. and R. Friedrich,Large Eddy Simulation of fully Developed Turbulent Flows in Straight or Curved Ducts and in a Curved Channel,Report TUM-FLM-91/46,10 (1991).
[5]	Su,M. D.,Test of SGS-model in LES of inner turbulent Flow,International Congress of Fluid Mechanics and Theoretical Physics,Beijing,May 31-June 3(1992).
[6]	Su,M. D. and R. Friedrich,Turbulent secondary flow in a straight duct,Proceedings of the GAMM Annual Meeting,Leipzig 1992; to appear in ZAMM(1992).

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