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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

Figures

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

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