Anti-kidney pair of vortices in shaped holes and their influence on film cooling effectiveness

Proceedings of the ASME Turbo Expo

Volumn 3, Issue , 1997, Pages

  Haven, B A ^a   Yamagata, D K ^a   Kurosaka, M ^a   Yamawaki, S ^b   Maya, T ^b  

^a UNIVERSITY OF WASHINGTON   (United States)

^b IHI CORPORATION   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

AIRCRAFT ENGINES; GAS TURBINES; HEAT TRANSFER; VORTEX FLOW; VORTICITY;

BLOWING RATIO; COMPETING EFFECTS; FILM COOLING EFFECTIVENESS; SHAPED HOLES; VORTICAL STRUCTURES;

COOLING;

EID: 84973636061     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1115/97-GT-045     Document Type: Conference Paper

References (9)

1. Batchelor, G.K., 1967, "An Introduction to Fluid Dynamics," Cambridge University Press, pp. 277-282.
2. Fric, T.F. and Roshko, A., 1994, "Vortical structures of a transverse jet," Journal of Fluid Mechanics, Vol.279, pp. 1-47.
3. Goldstein, R.J.,Eckert, E.R.G.,and Burgraff, F.,1974, "Effects of Hole Geometry and Density on Three-Dimensional Cooling," International Journal of Heat and Mass Transfer, Vol.17, pp.595-607.
4. Haven, B.A.,1996, "The Effect of Hole Geometry on the Near Field Character of Crossflow Jets" Ph.D. Thesis, University of Washington, Seattle, WA.
5. Haven, B.A., and Kurosaka,M.,I997, "Crossflow jets from noncircular holes: 'anti-kidney' vortices "to appear in Journal of fluid Mechanics.
6. Haven, BA., and Kurosaka,M.,I996, "Improved Jet Coverage Through Vortex Cancellation," AIAA Journal,Vol. 34,No. 11, pp.2443-2444.
7. Lighthill, M.J., 1963, "Chapter I. Introduction. Real and Ideal Fluids," in Laminar Boundary Layers, Rosenhead, L. ed., Clarendon Press, Oxford, pp. 54-55.
8. Morton, B.R. 1984, "The Generation and Decay of Vorticity," Geophysical and Astrophysical Fluid Dynamics, Vol. 28, pp.277-308.
9. Yamawaki, S., Maya, T., and Yasu, S., 1996, "Study of Film Cooling with Shaped Holes for a Hydrogen Combustion Turbine Blade," Proceedings, 11th World Hydrogen Energy Conference, Veziroglu,T.N.et al.,ed., International Association for Hydrogen Energy, Hydrogen Energy Progress XI, Vol. 2.pp. 1905-1908.