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TECHNICAL PAPERS

Wake, Shock, and Potential Field Interactions in a 1.5 Stage Turbine—Part I: Vane-Rotor and Rotor-Vane Interaction

[+] Author and Article Information
R. J. Miller

Whittle Laboratory, University of Cambridge, Cambridge, CB30 DY, UK

R. W. Moss

Department of Marine Technology, University of Newcastle, Newcastle upon Tyne NE1 7RU, UK

R. W. Ainsworth

Department of Engineering Science, University of Oxford, Oxford OX1 3PJ, UK

N. W. Harvey

Rolls Royce plc., Derby DE24 8BJ, UK

J. Turbomach 125(1), 33-39 (Jan 23, 2003) (7 pages) doi:10.1115/1.1508386 History: Received January 31, 2002; Online January 23, 2003
Copyright © 2003 by ASME
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References

Wisler, D. C., 1998, Blade Row Interference effects in Axial Turbomachinery Stages. von Karman Institute lecture notes.
Binder,  A., Forster,  W., Kruse,  H., and Rogge,  H., 1985, “An Experimental Investigation into the Effect of Wakes on the Unsteady Turbine Rotor Flow,” ASME J. Eng. Gas Turbines Power, 107, pp. 458–466.
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Dunn,  M. G., Bennett,  W. A., Delaney,  R. A., and Rao,  K. V., 1992, “Investigation of Unsteady Flow Through a Transonic Turbine Stage: Data/Prediction Comparison for Time-averaged and phase-Resolved Pressure Data,” ASME J. Turbomach., 114, pp. 91–99.
Moss, R. W., Ainsworth, R. W., Sheldrake, C. D., and Miller R. J., 1997, “The Unsteady Pressure Field Over a Turbine Blade Surface: Visualisation and Interpretation of Experimental Data,” ASME 97-GT-474.
Denos,  R., Sieverding,  C. H., Arts,  T., Brouckaert,  J. F., Paniagua,  G., and Michelassi,  V., 1999, “Experimental Investigation of the Unsteady Rotor Aerodynamics of a Transonic Turbine Stage,” IMechE Conf. Trans., ICTRFHThird European Conference on Turbomachinery.
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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.
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.
Ainsworth, R. W., Schultz, D. L., Davies, M. R. D., Forth, C. J. P., Hilditch, M. A., and Oldfield, M. L. G., 1988, “A Transient Flow Facility for the Study of the Thermofluid-Dynamics of a Full Stage Turbine Under Engine Representative Conditions,” ASME 88-GT-144.
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Miller,  R. J., Moss,  R. W., Ainsworth,  R. W., and Harvey,  N. W., 2002, “Wake, Shock and Potential Field Interactions in a 1.5 Stage Turbine—Part II: Vane-Vane Interaction and Discussion of Results,” ASME J. Turbomach., 124, pp. 40–47.

Figures

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The two test sections with and without a downstream vane
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Location of pressure sensors
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Photograph of instrumented blade
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Experimental measurement of suction surface static pressure
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Computational prediction of the suction surface static pressure
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(a) Sensor location, (b) schematic of flow structure
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Power spectrum of an idealized rotor surface pressure measurement
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Sensor 6 pressure surface (ensemble average)
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Sensor 6 pressure surface (power spectrum)
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Suction surface pressure sensor 2
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Suction surface pressure sensor 7
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Suction surface pressure sensor 8
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Suction surface sensor 11 (expanded)

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