Design of Commercial Solar Updraft Tower Systems—Utilization of Solar Induced Convective Flows for Power Generation

[+] Author and Article Information
Jörg Schlaich, Rudolf Bergermann, Wolfgang Schiel, Gerhard Weinrebe

Schlaich Bergermann Solar, Hohenzollernstr 1, 70178 Stuttgart, Germany

J. Sol. Energy Eng 127(1), 117-124 (Feb 07, 2005) (8 pages) doi:10.1115/1.1823493 History: Received June 05, 2003; Revised June 18, 2004; Online February 07, 2005
Copyright © 2005 by ASME
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Principle of thermal energy storage with water-filled tubes
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Effect of heat storage underneath the collector roof using water-filled black tubes. Simulation results from 7.
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Prototype of the solar tower prototype plant at Manzanares, Spain
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Turbine of the prototype plant
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Glass roof of the prototype plant at Manzanares, Spain
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Measurement from Manzanares: updraft velocity and power output for a typical day
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Manzanares solar tower prototype input/output characteristics
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Comparison of measured and calculated monthly energy outputs for the Manzanares plant
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Results of simulation runs (electric power output versus time of day) of a 200 MW solar tower with 25 percent of collector area covered by water-filled bags as additional thermal storage (weather data from 17)
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Levelized electricity cost versus interest rate for selected typical solar tower systems
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Electricity generation costs for a solar tower and coal fired power plant




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