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TECHNICAL PAPERS

Toward Improved Rotor-Only Axial Fans—Part I: A Numerically Efficient Aerodynamic Model for Arbitrary Vortex Flow

[+] Author and Article Information
D. N. So̸rensen, J. N. So̸rensen

Department of Energy Engineering, Technical University of Denmark, DK2800 Lyngby, Denmark

J. Fluids Eng 122(2), 318-323 (Jan 21, 2000) (6 pages) doi:10.1115/1.483275 History: Received October 21, 1997; Revised January 21, 2000
Copyright © 2000 by ASME
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References

Figures

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Coordinate system showing the rotating blade element and the velocities experienced by the blade element. Cut in the (x-θ) plane (constant r).
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Measured and calculated efficiency at various flow rates. ηtotal and ηstatic are based on the total and static pressure rise across the fan, respectively.
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Measured and calculated pressure rise at various flow rates. pt,total and pt,static denotes the total and static pressure rise, respectively.
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Spanwise distribution of axial velocity far downstream of the rotor at two flow rates
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Spanwise distribution of tangential velocity far downstream of the rotor at two flow rates
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Spanwise distribution of static pressure far downstream of the rotor at two flow rates
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The computational domain with indices for the ith control volume

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