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TECHNICAL PAPERS

Aerodynamic Blade Row Interactions in an Axial Compressor—Part II: Unsteady Profile Pressure Distribution and Blade Forces

[+] Author and Article Information
Ronald Mailach, Konrad Vogeler

Dresden University of Technology, Institute for Fluid Mechanics, 01062 Dresden, Germany

J. Turbomach 126(1), 45-51 (Mar 26, 2004) (7 pages) doi:10.1115/1.1649742 History: Received December 01, 2002; Revised March 01, 2003; Online March 26, 2004
Copyright © 2004 by ASME
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References

Kemp,  N. H., and Sears,  W. R., 1955, “The Unsteady Forces Due to Viscous Wakes in Turbomachines,” J. Aeronaut. Sci., July, pp. 478–483.
Meyer,  R. X., 1958, “The Effect of Wakes on the Transient Pressure and Velocity Distributions in Turbomachines,” Trans. ASME, 80, pp. 1544–1552.
Lefcort,  M. D., 1965, “An Investigation Into Unsteady Blade Forces in Turbomachines,” ASME J. Eng. Gas Turbines Power, 87, pp. 345–354.
Grollius, H.-W., 1981, “Experimentelle Untersuchung von Rotor-Nachlaufdellen und deren Auswirkungen auf die dynamische Belastung axialer Verdichter- und Turbinengitter,” Ph.D. thesis, RWTH Aachen, Germany.
Manwaring,  S. R., and Fleeter,  S., 1991, “Forcing Function Effects on Rotor Periodic Aerodynamic Response,” ASME J. Turbomach., 113, pp. 312–319.
Pieper, S. J., 1995, “Erfassung instationärer Strömungsvorgänge in einem hochtourigen invers ausgelegten einstufigen Axialverdichter mit Vorleitrad,” Ph.D. thesis, RWTH Aachen, Germany.
Sanders, A. J., and Fleeter, S., 2001, “Multi-Blade Row Interactions in a Transonic Axial Compressor, Part II: Rotor Wake Forcing Function & Stator Unsteady Aerodynamic Response,” ASME 2001-GT-0269.
Durali,  M., and Kerrebrock,  J. L., 1998, “Stator Performance and Unsteady Loading in Transonic Compressor Stages,” ASME J. Turbomach., 120, pp. 224–232.
Korakianitis,  T., 1993, “On the Propagation of Viscous Wakes and Potential Flow in Axial-Turbine Cascades,” ASME J. Turbomach., 115, pp. 118–127.
Mailach, R., Müller, L., and Vogeler, K, 2003, “Experimental Investigation of Unsteady Forces on Rotor and Stator Blades of an Axial Compressor,” Proceedings of the 5th European Conference on Turbomachinery—Fluid Dynamics and Thermodynamics, M. Stastny, C. H. Sieverding, and G. Bois, eds., Mar. 18–21, Prague, Czech Republic, pp. 221–233.
Mailach, R., and Vogeler, K., 2003, “Aerodynamic Blade Row Interaction in an Axial Compressor, Part I: Unsteady Boundary Layer Development,” ASME-GT2003-38765.
Müller, L., 2002, “Zeitaufgelöste Bestimmung von Schaufelkräften auf Verdichterschaufeln,” Diploma thesis, TU Dresden, Germany.
Stadtmüller, P., and Fottner, L., 2000, “Fast Response Pressure Transducers for the Investigation of Wake-Induced Transition on a Highly Loaded LP Turbine,” Proceedings of the XVth Bi-Annual Symposium on Measuring Techniques in Transonic and Supersonic Flows in Cascades and Turbomachines, Sept. 21–22, Firenze, Italy.

Figures

Grahic Jump Location
Unsteady pressure on PS and SS of the stator blade, midspan, 50% chord, design point (ξ=1.0)
Grahic Jump Location
Unsteady pressure on PS and SS of the stator blade, midspan, 50% chord, operating point near the stability limit (ξ=0.85), design speed
Grahic Jump Location
Unsteady force components and moment on stator blades, design point (ξ=1.0)
Grahic Jump Location
Frequency spectrum of force component Fy of the stator blade, design point (ξ=1.0)
Grahic Jump Location
Unsteady pressure distribution on PS and SS of the stator blades of the first stage, midspan, operating point near the stability limit, design speed (ξ=0.85)
Grahic Jump Location
Unsteady pressure distribution on PS and SS of the stator blades of the first stage, midspan, design point (ξ=1.0)
Grahic Jump Location
Pressure distribution on the stator blades of first stage, midspan, design speed; (a) design point (ξ=1.00), (b) operating point near the stability limit (ξ=0.85)
Grahic Jump Location
Forces in blade coordinate system
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Stator blade equipped with piezoresistive pressure transducers on SS and PS at midspan

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