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TECHNICAL PAPERS

Solar Chimney Turbine Performance

[+] Author and Article Information
Anthony J. Gannon, Theodor W. von Backström

Department of Mechanical Engineering, University of Stellenbosch, Private Bag X1, Matieland 7602, South Africa

J. Sol. Energy Eng 125(1), 101-106 (Jan 27, 2003) (6 pages) doi:10.1115/1.1530195 History: Received March 01, 2002; Revised June 01, 2002; Online January 27, 2003
Copyright © 2003 by ASME
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References

Haaf,  W., Friedrich,  K., Mayr,  G., and Schlaich,  J., 1983, “Solar Chimneys: Part I: Principle and Construction of the Pilot Plant in Manzanares,” International Journal of Solar Energy, 2(1), pp. 3–20.
Haaf,  W., 1984, “Solar Chimneys: Part II: Preliminary Test Results from the Manzanares Pilot Plant,” International Journal of Solar Energy, 2(2), pp. 141–161.
Gannon,  A. J., and Von Backström,  T. W., 2000, “Solar Chimney Cycle Analysis with System Loss and Solar Collector Performance,” ASME J. Sol. Energy Eng., 122(3), pp. 133–137.
Kröger, D. G., and Buys, J. D., 2001, “Performance Evaluation of a Solar Chimney Power Plant,” ISES 2001 Solar World Congress, Adelaide, South Australia.
Gannon, A. J., and Von Backström, T. W., 2002, “Solar Chimney Turbine Part 1 of 2: Design Experimental Results,” ASME Proc. of Solar 2002, Reno, NV.
Von Backström, T. W., and Gannon, A. J., 2001, “Solar Chimney Turbine Characteristics,” ISES Congress, Adelaide, Australia.
Bosman,  C., and Marsh,  H., 1974, “An Improved Method for Calculating the Flow in Turbo-Machines, Including a Consistent Loss Model,” Journal of Mechanical Engineering Science, 1, pp. 25–31.
Lewis, R. I., 1996, Turbomachinery Performance Analysis, Arnold, London.
Japikse, D., and Baines, N. C., 1997, Introduction to Turbomachinery, Concepts ETI and Oxford Univ. Press., 16 , no. 1, pp 25–31.

Figures

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Solar Chimney Schematic
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Solar Chimney Turbine Rig Schematic
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Velocity triangle diagram of solar chimney turbine
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Experimentally measured efficiency (%) vs flow coefficient (ϕ) for all rotor tip stagger angles
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Maximum efficiency contours (%) vs flow ϕ and load ψ coefficient
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Comparison of simulated and experimentally measured axial and tangential velocity
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Comparison of simulated and measured relative inlet, outlet and deflection flow angles
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Comparison of experimental and measured axial and tangential velocities 1×Dchim after the diffuser

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