Predictions of separated and transitional boundary layers under low-pressure turbine airfoil conditions using an intermittency transport equation

39th Aerospace Sciences Meeting and Exhibit

Volumn , Issue , 2001, Pages

  Bora Suzen, Y ^a   Huang, P G ^a   Hultgren, Lennart S ^b   Ashpis, David E ^b  

^a UNIVERSITY OF KENTUCKY   (United States)

^b NASA GLENN RESEARCH CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

INTERMITTENCY FACTORS; INTERMITTENCY TRANSPORT EQUATION; INTERMITTENT BEHAVIORS; STREAMWISE VARIATIONS; TRANSITIONAL BOUNDARY LAYERS; TURBULENT INTENSITIES; TURBULENT KINETIC ENERGY; TWO-EQUATION TURBULENCE MODELS;

AEROSPACE ENGINEERING; AIRFOILS; EXPERIMENTS; FORECASTING; KINETICS; REYNOLDS NUMBER; SEPARATION; TURBULENCE MODELS;

TURBINES;

EID: 84897824347     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (26)

1. Abu-Gharmam, B.J. and Shaw, R., 1980, "Natural Transition of Boundary Layers-The Effects of Turbulence, Pressure Gradient, and Flow History, " Journal of Mechanical Engineering Science, Vol. 22, No. 5, pp. 213-228.
2. Chen, K. K. and Thyson, N. A., 1971, "Extension of Emmons' Spot Theory to Flows on Blunt Bodies, " AIAA Journal, Vol. 9, No. 5, pp. 821-825.
3. Cho, J.R. and Chung, M.K., 1992, "A k-ε-γ Equation Turbulence Model, " Journal of Fluid Mechanics, Vol. 237, pp. 301-322.
4. Davis, R.L., Carter, J.E., and Reshotko, E., 1987, "Analysis of Transitional Separation Bubbles on Infinite Swept Wings. " AIAA Journal, Vol. 25, No. 3, pp. 421-428.
5. Dhawan, S. and Narasimha, R., 1958, "Some Properties of Boundary Layer During the Transition from Laminar to Turbulent Flow Motion, " Journal of Fluid Mechanics, Vol. 3, pp. 418-436.
6. Gostelow, J.P., Blunden, A.R., and Walker, G.J., 1994, "Effects of Free-Stream Turbulence and Adverse Pressure Gradients on Boundary Layer Transition, " ASME Journal of Turbomachinery, Vol. 116, pp. 392-404.
7. Huang, P.G. and Coakley, T.J., 1992, "An Implicit Navier-Stokes Code for Turbulent Flow Modeling, " AIAA Paper AIAA-92-0547, Reno, NV.
8. Hultgren, L.S. and Volino, R.J., 2000, "Separated and Transitional Boundary Layers Under Low-Pressure Turbine Airfoil Conditions, " NASA TM in preparation.
9. Lake, J.P., 1999, "Flow Separation Prevention on a Turbine Blade at Low Reynolds Number" Ph.D. Dissertation, Air Force Institute of Technology, AFIT No. AFIT-DS-ENY-99-01.
10. Lake, J.P., King, P.I., Rivir, R.B., 2000, "Low Reynolds Number Loss Reduction on Turbine Blades with Dimples and V-Grooves" AIAA Paper AIAA-00-0738, Reno, NV.
11. Mayle, R.E., 1991, "The Role of Laminar-Turbulent Transition in Gas Turbine Engines, " Journal of Turbomachinery, Vol. 113, pp. 509-537.
12. Menter, F. R., 1994, "Two-Equation Eddy-Viscosity Turbulence Models for Engineering Applications, " AIAA Journal, Vol. 32, No. 8, August, pp. 1598-1605.
13. Rivir, R.B., 1996, "Transition on Turbine Blades and Cascades at Low Reynolds Numbers, " AIAA-96-2079.
14. Roberts, W. B., 1980, "Calculation of Laminar Separation Bubbles and Their Effect on Airfoil Performance, " AIAA Journal, Vol. 18, No. 1, pp. 25-31.
15. Savill, A.M., 1993a, "Some Recent Progress in The Turbulence Modeling of By-pass Transition, " Near-Wall Turbulent Flows, edited by R.M.C. So, C.G. Speziale and B.E. Launder, Elsevier Science Publishers B.V., pp. 829-848.
16. Savill, A.M., 1993b, "Further Progress in The Turbulence Modeling of By-pass Transition, " Engineering Turbulence Modeling and Experiments 2, edited by W. Rodi and F. Martelli, Elsevier Science Publishers B. V., pp. 583-592.
17. Simon, F.F. and Stephens, C.A., 1991, "Modeling of the Heat Transfer in Bypass Transitional Boundary-Layer Flows, " NASA Technical Paper 3170.
18. Simon, T.W., Qiu, S., and Yuan, K., 2000, "Measurements in a Transitional Boundary Layer Under Low-Pressure Turbine Airfoil Conditions, " NASA-CR-2000-209957.
19. Solomon, W.J., Walker, G.J., and Gostelow, J.P., 1995, "Transition Length Prediction for Flows with Rapidly Changing Pressure Gradients", ASME Paper ASME-95-GT-241, International Gas Turbine and Aeroengine Congress &; Exposition, Houston, Texas, June 5-8.
20. Steelant, J. and Dick, E., 1996, "Modelling of Bypass Transition with Conditioned Navier-Stokes Equations Coupled to an Intermittency Transport Equation, " International Journal for Numerical Methods in Fluids, Vol. 23, pp. 193-220.
21. Suzen, Y.B., and Huang, P.G., 1999, "Modelling of Flow Transition Using an Intermittency Transport Equation, " NASA-CR-1999-209313.
22. Suzen, Y.B., and Huang, P.G., 2000, "Modelling of Flow Transition Using an Intermittency Transport Equation, " Journal of Fluids Engineering, Vol. 122, pp. 273-284.
23. Suzen, Y.B., Xiong, G., Huang, P.G., 2000, "Predictions of Transitional Flows in Low-Pressure Turbines Using an Intermittency Transport Equation, " AIAA-2000-2654, Fluids 2000, Denver Colorado, June.
24. Volino, R.J. and Hultgren, L.S., 2000, "Measurements in Separated and Transitional Boundary Layers Under Low-Pressure Turbine Airfoil Conditions, " ASME/IGTI Paper 2000-GT-0260.
25. Westin, K. J. A. and Henkes, R. A. W. M., 1997, "Application of Turbulence Models to Bypass Transition, " Journal of Fluids Engineering, Vol. 119, pp. 859-866.
26. Wisler, B.C., 1998, "The Technical and Economic Relevance of Understanding Boundary Layer Transition in Gas Turbine Engines, " Minnowbrook 11-1997 Workshop on Boundary Layer Transition in Turbomachines, edited by J.E. LaGraff, D.E. Ashpis, NASA CP-1998-206958, pp. 53-64.