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TECHNICAL PAPERS

Considerations for Using 3-D Pneumatic Probes in High-Speed Axial Compressors

[+] Author and Article Information
Simon Coldrick, Paul Ivey

School of Engineering, Cranfield University, Bedford, United Kingdom

Roger Wells

Alstom Power Limited, Lincoln, United Kingdom

J. Turbomach 125(1), 149-154 (Jan 23, 2003) (6 pages) doi:10.1115/1.1515334 History: Received October 15, 2001; Online January 23, 2003
Copyright © 2003 by ASME
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References

Lyes, P. A., 1999, “Low Speed Axial Compressor Design and Evaluation, High Speed Representation and Endwall Flow Control Studies,” PhD thesis, Cranfield University, UK.
Thomas, C. C., 1999, “High Bandwidth Aerodynamic Measurements in Gas Turbine Stages,” D.Phil thesis, Oxford University, UK.
Dominy,  R. G., and Hodson,  H. P., 1993, “An Investigation of the Factors Influencing the Calibration of Five Hole Probes for Three Dimensional Flow Measurements,” ASME J. Turbomach., 115, July, pp. 513–519.
Main,  A. J., Day,  C. R. B., Lock,  C. D., and Oldfield,  M. L. G., 1996, “Calibration of a Four Hole Pyramid Probe and Area Traverse Measurements in a Short-Duration Transonic Turbine Cascade Tunnel,” Exp. Fluids, 21(4), pp. 302–311.
Dudzinski, T. J., and Krause, L. N., 1969, “Flow Direction Measurement With Fixed Position Probes,” NASA TM X 1904.
Cabitza, S., and Mandas, N., 1990, “An Investigation into the Influence of the Different Calibration Coefficients upon Measurements with Aerodynamic Pressure Probes,” Proc., 10th symposium on measuring techniques for transonic and supersonic flows in cascades and turbomachines Von Karman Institute.
Schaub, U. W., Sharp, C. R., and Bassett, R. W., 1964, “An Investigation of the Three Dimensional Flow Characteristics of a Non Nulling Five Tube Probe,” NRC LR 398.
Kline,  S. J., and McClintock,  F. A., 1953, “Describing Uncertainties in Single Sample Experiments,” Mech. Eng. (Am. Soc. Mech. Eng.), 75(1), Jan., pp. 3–8.
Treiber, M., Kupferschmied, P., and Gyamarthy, G., 1998, “Analysis of the Error Propagation Arising from Measurements with a Miniature Pneumatic Five Hole Probe,” Proc., 14th symposium on measuring techniques for transonic and supersonic flows in cascades and turbomachines, Limerick, Ireland.
Wyler,  J. S., 1975, “Probe Blockage Effects in Free Jets and Closed Tunnels,” ASME J. Eng. Power, 97(4), pp. 509–515.
Advanced Scientific Computing Ltd, 1995, Waterloo, Ontario, Canada.
Chue,  S. H., 1975, “Pressure Probes for Fluid Measurement,” Prog. Aerosp. Sci., 16(2), pp. 147–223.
Heneka, A., and Bubeck, H., 1983, “Measuring Errors of Pneumatic Multihole Probes,” Proc., 7th symposium on measuring techniques for transonic and supersonic flows in cascades and turbomachines, Aachen
Smout, P. D., 1995, “The Measurement of Near Wall Flows Using Pneumatic Wedge Probes,” Ph.D. thesis, Cranfield University, UK.
Manwaring, S. R., and Wisler, D. C., 1993, “Unsteady Aerodynamics and Gust Response in Compressors and Turbines,” ASME J. Turbomach., 115 , Oct..

Figures

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Probe head schematic and hole numbering convention
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Four-hole probe for low speed (left), current probe for high speed (right)
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Calibration graph for all Mach numbers and angles
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Calibration graph at Mach 0.7
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Pressure through the unblocked cascade (left) and the cascade with a 3-mm cylindrical probe (right)
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Percent of cascade total mass flow through each passage
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Pressure coefficient K with angle at mid height
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Speed plot in the reference flow
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Speed around the 3 mm probe in the cascade
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Speed around the 2-mm probe in the cascade
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Total pressure 25% chord downstream of stator row
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Total pressure 25% chord downstream of stator row with 3-mm probe

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