DOI: 10.1115/1.555450. A Three-Dimensional Coupled Internal/External Simulation of a Film-Cooled Turbine Vane

A Three-Dimensional Coupled Internal/External Simulation of a Film-Cooled Turbine Vane

10.1115/1.555450

Crossref journal-article

ASME International

Journal of Turbomachinery (33)

Abstract

A three-dimensional Navier–Stokes simulation has been performed for a realistic film-cooled turbine vane using the LeRC-HT code. The simulation includes the flow regions inside the coolant plena and film cooling holes in addition to the external flow. The vane is the subject of an upcoming NASA Lewis Research Center experiment and has both circular cross-sectional and shaped film cooling holes. This complex geometry is modeled using a multiblock grid, which accurately discretizes the actual vane geometry including shaped holes. The simulation matches operating conditions for the planned experiment and assumes periodicity in the spanwise direction on the scale of one pitch of the film cooling hole pattern. Two computations were performed for different isothermal wall temperatures, allowing independent determination of heat transfer coefficients and film effectiveness values. The results indicate separate localized regions of high heat flux in the showerhead region due to low film effectiveness and high heat transfer coefficient values, while the shaped holes provide a reduction in heat flux through both parameters. Hole exit data indicate rather simple skewed profiles for the round holes, but complex profiles for the shaped holes with mass fluxes skewed strongly toward their leading edges. [S0889-504X(00)02802-6]

Bibliography

Heidmann, J. D., Rigby, D. L., & Ameri, A. A. (1999). A Three-Dimensional Coupled Internal/External Simulation of a Film-Cooled Turbine Vane. Journal of Turbomachinery, 122(2), 348â359.

Authors 3

James D. Heidmann (first)
David L. Rigby (additional)
Ali A. Ameri (additional)

References 27 Referenced 45

Goldstein, R. J. , 1971, “Film Cooling,” Adv. Heat Transfer, 7, pp. 321–379. (10.1016/S0065-2717(08)70020-0)
Gritsch, M., Schulz, A., and Wittig, S., 1998, “Adiabatic Wall Effectiveness Measurements of Film-Cooling Holes With Expanded Exits,” ASME J. Turbomach., 120, pp. 549–556. (10.1115/1.2841752)
Thole, K., Gritsch, M., Schulz, A., and Wittig, S., 1998, “Flowfield Measurements for Film-Cooling Holes With Expanded Exits,” ASME J. Turbomach., 120, pp. 327–336. (10.1115/1.2841410)
Walters, D. K., and Leylek, J. H., 2000, “A Detailed Analysis of Film-Cooling Physics: Part I—Streamwise Injection With Cylindrical Holes,” ASME J. Turbomach., 122, pp. 102–112. (10.1115/1.555433)
McGovern, K. T., and Leylek, J. H., 2000, “A Detailed Analysis of Film Cooling Physics: Part II—Compound-Angle Injection With Cylindrical Holes,” ASME J. Turbomach., 122, pp. 113–121. (10.1115/1.555434)
Hyams, D. G., and Leylek, J. H., 2000, “A Detailed Analysis of Film Cooling Physics: Part III—Streamwise Injection With Shaped Holes,” ASME J. Turbomach., 122, pp. 122–132. (10.1115/1.555435)
Brittingham, R. A., and Leylek, J. H., 2000, “A Detailed Analysis of Film Cooling Physics: Part IV—Compound-Angle Injection With Shaped Holes,” ASME J. Turbomach., 122, pp. 133–145. (10.1115/1.555419)
Leylek, J. H., and Zerkle, R. D., 1994, “Discrete-Jet Film Cooling: A Comparison of Computational Results With Experiments,” ASME J. Turbomach., 116, pp. 358–368. (10.1115/1.2929422)
Ito, S., Goldstein, R. J., and Eckert, E. R. G., 1978, “Film Cooling of a Gas Turbine Blade,” ASME J. Eng. Power, 100, pp. 476–481. (10.1115/1.3446382)
Mick, W. J., and Mayle, R. E., 1988, “Stagnation Film Cooling and Heat Transfer, Including its Effect Within the Hole Pattern,” ASME J. Turbomach., 110, pp. 66–72. (10.1115/1.3262169)
Garg, V. K., and Gaugler, R. E., 1997, “Effect of Velocity and Temperature Distribution at the Hole Exit on Film Cooling of Turbine Blades,” ASME J. Turbomach., 119, pp. 343–351. (10.1115/1.2841117)
Garg, V. K., and Rigby, D. L., 1998, “Heat Transfer on a Film Cooled Blade—Effect of Hole Physics,” ASME Paper No. 98-GT-404. (10.1115/98-GT-404)
Bohn, D. E., Becker, V. J., and Rungen, A. U., 1997, “Experimental and Numerical Conjugate Flow and Heat Transfer Investigation of a Shower-Head Cooled Turbine Guide Vane,” ASME Paper No. 97-GT-15. (10.1115/97-GT-015)
Choi, D., 1993, “A Navier–Stokes Analysis of Film Cooling in a Turbine Blade,” AIAA Paper No. 93-0158. (10.2514/6.1993-158)
Hylton, L. D., Nirmalan, V., Sultanian, V. K., and Kaufman, R. M., 1988, “The Effects of Leading Edge and Downstream Film Cooling on Turbine Vane Heat Transfer,” NASA CR-182133.
Program Development Corporation, 1997, “GridPro™/az3000-User’s Guide and Reference Manual,” White Plains, NY.
Rigby, D. L., 1996, “Method of Weakest Descent for Automatic Block Merging,” 15th International Conference on Numerical Methods in Fluid Dynamics, Monterey, CA, June.
Rigby, D. L., Steinthorsson, E., and Coirier, W. J., 1997, “Automatic Block Merging Using the Method of Weakest Descent,” AIAA Paper No. 97-0197. (10.2514/6.1997-197)
Steinthorsson, E., Liou, M. S., and Povinelli, L. A., 1993, “Development of an Explicit Multiblock/Multigrid Flow Solver for Viscous Flows in Complex Geometries,” Paper No. AIAA-93-2380. (10.2514/6.1993-2380)
Arnone, A., Liou, M.-S., and Povinelli, L. A., 1991, “Multigrid Calculation of Three-Dimensional Viscous Cascade Flows,” AIAA Paper No. 91-3238. (10.2514/6.1991-3238)
Rigby, D. L., Ameri, A. A., and Steinthorsson, E., 1997, “Numerical Prediction of Heat Transfer in a Channel With Ribs and Bleed,” ASME Paper No. 97-GT-431. (10.1115/97-GT-431)
Ameri, A., Rigby, D. L., and Steinthorsson, E., 1998, “Effect of Squealer Tip on Rotor Heat Transfer and Efficiency,” ASME J. Turbomach., 120, pp. 753–759. (10.1115/1.2841786)
Wilcox, D. C., 1994, Turbulence Modeling for CFD, DCW Industries, Inc., LaCanada, CA.
Wilcox, D. C. , 1994, “Simulation of Transition With a Two-Equation Turbulence Model,” AIAA J., 32, No. 2, pp. 247–255. (10.2514/3.59994)
Menter, F. R., 1993, “Zonal Two-Equation k-ω Turbulence Models for Aerodynamic Flows,” AIAA Paper No. 93-2906. (10.2514/6.1993-2906)
Chima, R. V., 1996, “A k-ω Turbulence Model for Quasi-Three-Dimensional Turbomachinery Flows,” NASA TM-107051. (10.2514/6.1996-248)
Schlichting, H., 1979, Boundary Layer Theory, 7th ed., McGraw-Hill, New York, pp. 312–313.

Dates

Type	When
Created	23 years ago (July 27, 2002, 1:02 a.m.)
Deposited	5 years, 10 months ago (Oct. 6, 2019, 2:40 a.m.)
Indexed	11 months ago (Sept. 20, 2024, 11:34 a.m.)
Issued	26 years, 6 months ago (Feb. 1, 1999)
Published	26 years, 6 months ago (Feb. 1, 1999)
Published Online	26 years, 6 months ago (Feb. 1, 1999)
Published Print	25 years, 4 months ago (April 1, 2000)

Funders 0

None

BibTeX

@article{Heidmann_1999, title={A Three-Dimensional Coupled Internal/External Simulation of a Film-Cooled Turbine Vane}, volume={122}, ISSN={1528-8900}, url={http://dx.doi.org/10.1115/1.555450}, DOI={10.1115/1.555450}, number={2}, journal={Journal of Turbomachinery}, publisher={ASME International}, author={Heidmann, James D. and Rigby, David L. and Ameri, Ali A.}, year={1999}, month=feb, pages={348–359} }

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