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TECHNICAL PAPERS

Assessing Viscous Body Forces for Unsteady Calculations

[+] Author and Article Information
L. Xu

Whittle Laboratory, University of Cambridge, Cambridge, UK

J. Turbomach 125(3), 425-432 (Aug 27, 2003) (8 pages) doi:10.1115/1.1574823 History: Received January 01, 2002; Revised November 12, 2002; Online August 27, 2003
Copyright © 2003 by ASME
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References

Figures

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Contour plots of the drag coefficient and RMS drag coefficient near suction surface
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Variation of total blade force and viscous body force with time
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Contours of entropy function and swirl at OGV inlet in quasi-orthogonal view
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Entropy contours at 75 and 2.5% spans
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Surface distributions of total drag force, RMS force variation, Cd and RMS Cd variation at midspan
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Contours of Cd and RMS Cd on OGV suction surface
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Variation of drag coefficient over one rotor passing period
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Surface distributions of Cd and its RMS variation along span
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Contours of Cd and its RMS variation on fan suction surface
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Variations of total viscous force and drag coefficient over one rotor revolution
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Variation of total blade force and viscous body force with time, ADLARF fan
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Viscous force and drag coefficient near blade surfaces at midspan along axial chord
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Contours of viscous body force showing its development along the blade passage
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Instantaneous entropy at turbine midspan
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Demands of model hierarchy on computing resources and empiricism

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