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TECHNICAL PAPERS

Effects of Concave Curvature on Boundary Layer Transition Under High Freestream Turbulence Conditions

[+] Author and Article Information
Michael P. Schultz, Ralph J. Volino

Department of Mechanical Engineering, United States Naval Academy, Annapolis, MD 21402

J. Fluids Eng 125(1), 18-27 (Jan 22, 2003) (10 pages) doi:10.1115/1.1522410 History: Received July 12, 2001; Revised July 26, 2002; Online January 22, 2003
Copyright © 2003 by ASME
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References

Mayle,  R. E., 1991, “The Role of Laminar-Turbulent Transition in Gas Turbine Engines,” ASME J. Turbomach., 113, pp. 509–537.
Görtler,  H., 1941, “Instabilität Laminarer Grenzchichten an Konkaven Wänder Gegenüber Gewissen Dreidimensionalen Strörungen,” Z. Angew. Math. Mech., 21, pp. 250–252 (see also NACA TM 1375, 1954).
Liepmann, H. W., 1943, “Investigations on Laminar Boundary Layer Stability and Transition on Curved Boundaries,” NACA Wartime Report W-87.
Floryan,  J. M., 1991, “On the Görtler Instability of Boundary Layers,” Prog. Aerosp. Sci., 28, pp. 235–271.
Saric,  W. S., 1994, “Görtler Vortices,” Annu. Rev. Fluid Mech., 26, pp. 379–409.
Volino,  R. J., and Simon,  T. W., 1997, “Measurements in a Transitional Boundary with Görtler Vortices,” ASME J. Fluids Eng., 119, pp. 562–568.
Finnis,  M. V., and Brown,  A., 1994, “The Streamwise Development of Görtler Vortices in Favorable Pressure Gradient,” ASME J. Turbomach., 118, pp. 162–171.
Simonich, J. C., and Moffat, R. J., 1982, “Local Measurements of Turbulent Boundary Layer Heat Transfer on a Concave Surface Using Liquid Crystals,” HMT-35, Thermosciences Division, Department of Mechanical Engineering, Stanford University.
Kim,  J., Simon,  T. W., and Russ,  S. G., 1992, “Free-Stream Turbulence and Concave Curvature Effects on Heated, Transitional Boundary Layers,” ASME J. Heat Transfer, 114, pp. 338–347.
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Blair,  M. F., 1983, “Influence of Free-Stream Turbulence on Turbulent Boundary Layer Heat Transfer and Mean Profile Development: Part 1—Experimental Data,” ASME J. Heat Transfer, 105, pp. 33–40.
Sohn, K. H., and Reshotko, E., 1991, “Experimental Study of Boundary Layer Transition with Elevated Freestream Turbulence on a Heated Flat Plate,” NASA CR 187068.
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Halstead,  D. E., Wisler,  D. C., Okiishi,  T. H., Walker,  G. J., Hodson,  H. P., and Shin,  H.-W., 1997, “Boundary Layer Development in Axial Compressors and Turbines: Part 3 of 4—LP Turbines,” ASME J. Turbomach., 119, pp. 225–237.
Volino,  R. J., and Simon,  T. W., 1997, “Boundary Layer Transition Under High Free-Stream Turbulence and Strong Acceleration Conditions: Part 1—Mean Flow Results; Part 2— Turbulent Transport Results,” ASME J. Heat Transfer, 119, pp. 420–432.
Volino,  R. J., and Simon,  T. W., 2000, “Spectral Measurements in Transitional Boundary Layers on a Concave Wall Under High and Low Free-Stream Turbulence,” ASME J. Turbomach., 122, pp. 450–457.
Volino, R. J., and Simon, T. W., 1995, “Measurements in Transitional Boundary Layers under High Free-Stream Turbulence and Strong Acceleration Conditions,” NASA CR 198413.
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Figures

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Schematic of the test facility
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Intermittency profiles based on u
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Intermittency factor versus streamwise distance
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Peak intermittency in profile versus dimensionless streamwise location
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Mean velocity profiles in wall coordinates: (a) composite; (b) nonturbulent; (c) turbulent
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Mean velocity profile for Station 5
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Momentum thickness versus streamwise distance
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Shape factor versus streamwise distance
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Comparison of skin-friction coefficient
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Fluctuating streamwise velocity profiles in wall coordinates: (a) composite; (b) nonturbulent; (c) turbulent
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Fluctuating streamwise velocity profile for Station 5
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Fluctuating wall-normal velocity profiles in wall coordinates: (a) composite; (b) nonturbulent; (c) turbulent
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Fluctuating wall-normal velocity profile for Station 5
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Reynolds shear stress profiles in wall coordinates: (a) composite; (b) nonturbulent; (c) turbulent
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Reynolds shear stress profile for Station 5
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Eddy viscosity profiles: (a) composite; (b) nonturbulent; (c) turbulent

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