On the mechanism of drag reduction of near-wall turbulence by wall oscillation

JSME International Journal, Series B: Fluids and Thermal Engineering

Volumn 40, Issue 4, 1997, Pages 558-566

  Miyake, Yutaka ^a   Tsujimoto, Koichi ^a   Takahashi, Masayuki ^b  

^a OSAKA UNIVERSITY   (Japan)

^b TOSHIBA CORPORATION   (Japan)

Author keywords

Coherent Structure; Drag Reduction; Flow Control; Oscillation; Quasi Streamwise Vortex; Shear Flow; Turbulence

Indexed keywords

DRAG; FLOW CONTROL; FLUID STRUCTURE INTERACTION; OSCILLATIONS; SHEAR FLOW; VORTEX FLOW;

DRAG REDUCTION; QUASI STREAMWISE VORTEX; WALL OSCILLATION;

TURBULENT FLOW;

DRAG REDUCTION; FLOW CONTROL; OSCILLATION; TURBULENCE; VORTEX;

CHANNEL FLOW; DRAG; DRAG REDUCTION; TURBULENCE; WALL OSCILLATION;

EID: 0031278153     PISSN: 13408054     EISSN: None     Source Type: Journal    
DOI: 10.1299/jsmeb.40.558     Document Type: Article

References (6)

1. Miyake, Y., Ushiro, R. and Morikawa, T., On the regeneration of quasi-streamwise eddies., Proc. 10th Symp. Turb. Shear Flows, Penn. State, Aug. 14-16, (1995), p. 15.7-15.12.
2. Miyake, Y., Tsujimoto, K. and Morikawa, T., Mechanism of Self-Sustenance and Regeneration of Quasi-Streamwise Vortices of Near-Wall Turbulence., Trans. JSME, ser. B, (in Japanese) Vol. 62, No. 598 (1996), p. 2172-2179.
3. Jung, W. J., Mangiavacchi, N. and Akhavan R., Suppression of turbulence in wall-bounded flows by high-frequency spanwise oscillations., Phys. Fluids, Vol. A4, No. 8 (1992), p. 1605-1608.
4. Miyake, Y. and Tsujimoto, K., Direct Numerical Simulation of Turbulent Channel Flow with Periodic Pressure Gradient., Trans. JSME, ser. B, (in Japanese) Vol. 61, No. 587 (1995), p. 2401-2408.
5. Miyake, Y. and Tsujimoto, K., Preprint of China-Japan Workshop on Turbulent Flows, No. 8, Nov. 1∼5, Beijing (1996).
6. Jeong, J. and Hussain, F., On the identification of a vortex., J. Fluid Mech., Vol. 285 (1995), p. 69-94.