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TECHNICAL PAPERS

Numerical Unsteady Flow Analysis of a Turbine Stage With Extremely Large Blade Loads

[+] Author and Article Information
Markus Jöcker, Francois X. Hillion, Torsten H. Fransson

Royal Institute of Technology, Chair of Heat and Power Technology, S-10044 Stockholm, Sweden

Ulf Wåhlén

Volvo Aero Corporation, Space Propulsion Division, S-46181 Trollhättan, Sweden

J. Turbomach 124(3), 429-438 (Jul 10, 2002) (10 pages) doi:10.1115/1.1458023 History: Received October 13, 2000; Online July 10, 2002
Copyright © 2002 by ASME
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References

Holmes, D. G., Mitchel, B. E., and Lorence, C. B., 1997, “Three Dimensional Linearized Navier-Stokes Calculations for Flutter and Forced Response,” 8th Int. Symp. on Unsteady Aerodynamics and Aeroelasticity in Turbomachines, Stockholm, Sweden.
Silkowski, P. D., and Hall, K. C., 1997, “A Coupled Mode Analysis of Unsteady Multistage Flows in Turbomachinery,” ASME Paper No. 97-GT-186.
Giles, M., 1991, “UNSFLO: A Numerical Method For The Calculation Of Unsteady Flow In Turbomachinery,” GTL Report No. 205.
Jung, A. R., Mayer, J. F., and Stetter, H., 1996, “Simulation of 3D-Unsteady Stator/Rotor Interaction in Turbomachinery Stages of Arbitrary Pitch Ratio,” ASME Paper No. 96-GT-69.
He, L., 1999, “Three-Dimensional Unsteady Navier-Stokes Analysis of Stator-Rotor Interaction in Axial-Flow Turbines,” Paper No. 557/049/99, 3rd European Conf. on Turbomachinery, London, UK.
Manwaring,  S. R., and Wisler,  D. C., 1993, “Unsteady Aerodynamics and Gust Response in Compressors and Turbines,” ASME J. Turbomach., 115, pp. 724–740.
Chung,  M.-H., and Wo,  A. M., 1997, “Navier Stokes and Potential Calculations of Axial Spacing Effect on Vortical and Potential Disturbances and Gust Response in an Axial Compressor,” ASME J. Turbomach., 119, pp. 472–481, July.
Lakshminarayana, B., Chernobrovkin, A., and Ristic, D., 2000, “Unsteady Viscous Flow Causing Rotor-Stator Interaction in Turbines, Part 1: Data, Code, Pressure,” J. Propul. Power, 16 , No. 5.
Chernobrovkin, A., and Lakshminarayana, B., 2000, “Unsteady Viscous Flow Causing Rotor-Stator Interaction in Turbines, Part 2: Simulation, Integrated Flowfield and Interpretation,” J. Propul. Power, 16 , No. 5.
Korakianitis,  T., 1992, “On the Prediction of Unsteady Forces on gas Turbine Blades: Part 1—Description of the Approach,” ASME J. Turbomach., 114, pp. 114–122.
Korakianitis,  T., 1992, “On the Prediction of Unsteady Forces on gas Turbine Blades: Part 2—Analysis of the Results,” ASME J. Turbomach., 114, pp. 123–131.
Busby,  J. A., Davis,  R. L., Dorney,  D. J., Dunn,  M. G., Haldeman,  C. W., Abhari,  R. S., Venable,  B. L., and Delaney,  R. A., 1999, “Influence of Vane-Blade Spacing on Transonic Turbine Stage Aerodynamics Part II: Time-Resolved Data and Analysis,” ASME J. Turbomach., 121, pp. 673–682.
Venable,  B. L., Delaney,  R. A., Busby,  J. A., Davis,  R. L., Dorney,  D. J., Dunn,  M. G., Haldeman,  C. W., and Abhari,  R. S., 1999, “Influence of Vane-Blade Spacing on Transonic Turbine Stage Aerodynamics Part I: Time-Averaged Data and Analysis,” ASME J. Turbomach., 121, pp. 663–672.
Von Hoyningen-Huene, M., and Hermeler, J., 1999, “Time-Resolved Numerical Analysis of the 2-D Aerodynamics in the First Stage of an Industrial Gas Turbine for Different Vane-Blade Spacings,” ASME Paper No. 99-GT-102.
Jöcker, M., Freudenreich, K., and Fransson, T., 2000, “Parametric Studies of the Aerodynamic Excitation in High Pressure Turbines,” 9th Int. Symp. on Unsteady Aerodynamics, Aeroacoustics and Aeroelasticity of Turbomachines (ISUAAAT) Lyon, France, September 4–7.
Moss, R. W., Ainsworth, A. W., Sheldrake, C. D., and Miller, R., 1997, “The Unsteady Pressure Field Over a Turbine Blade Surface: Visualization and Interpretation of Experimental Data,” ASME Paper No. 97-GT-474.
Hilditch, M. A., Smith, G. C., and Singh, U. K., 1998, “Unsteady Flow in a Single Stage Turbine,” ASME Paper No. 98-GT-531.
Birch, T., 1987, “Navier-Stokes Predictions of Transition, Loss and Heat Transfer in a Turbine Cascade,” ASME Paper No. 87-GT-22.
Eriksson, L.-E., 1990, “A Third Order accurate Upwind-Biased Finite Volume Scheme for Unsteady Compressible Flow,” VFA Report 9370-154, Volvo Aero Corporation, Trollhättan, Sweden.
Eriksson, L. E., 1995, “Development and Validation of Highly Modular Flow Solver Versions in G2DFLOW and G3DFLOW Series for Compressible Vis-cous Reacting Flow,” Technical Report 9970-1162 Volvo Aero Corporation, Sweden.
Hodson, H. P., and Dawes, W. N., 1998, “On the Interpretation of Measured Profile Losses in Unsteady Wake-Turbine Blade Interaction Studies,” ASME J. Turbomach., 120 , Apr..
Goldstein,  M. E., 1978, “Unsteady Vortical and Entropic Distortions of Potential Flows Round Arbitrary Obstacles,” J. Fluid Mech., 89, Part 3, pp. 433–468.
Feiereisen, J. M., Montgomery, M. D., and Fleeter, S., 1993, “Unsteady Aerodynamic Forcing Functions—A Comparison Between Linear Theory and Experiment,” ASME Paper No. 93-GT-141.

Figures

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Description of investigated turbine stage configurations
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Steady rotor surface pressure, VOLSOL and UNSFLO results, gax=29 percent
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Unsteady rotor surface pressure, Volsol 2-D—Unsflo 2-D, gax=29 percent
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Harmonics 1–4 of rotor surface perturbation pressure, UNSFLO, nominal case
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Perturbation pressure and velocity flow field at four instants in time, UNSFLO, nominal case
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Time space plot of rotor surface perturbation pressure p/pt1, UNSFLO, nominal case
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Blade forces and moment in percent of time average, UNSFLO, nominal case
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Vortical and potential influence on 1st harmonic rotor surface perturbation pressure, UNSFLO
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Unsteady forces normalized with time average in the complex plane, UNSFLO
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Evolution with axial gap of the stator row and rotor row contributions to the pressure distribution at their interface
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Instantaneous aerodynamic force on the rotor blade for all the gaps
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Amplitude of the time harmonics of the aerodynamic force for all the gaps
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Perturbation pressure field at gax=8 percent, at times 0.2 and 0.3
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Time space plot of the rotor surface perturbation pressure at gax=8 percent
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1st harmonic of Rotor surface perturbation pressure, UNSFLO, vane study
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Time space plots of blade surface perturbation pressure, scaled cases
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Comparison of present results to studies found in literature

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