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

Author:

Schlaich Jo¨rg1,Bergermann Rudolf1,Schiel Wolfgang1,Weinrebe Gerhard1

Affiliation:

1. Schlaich Bergermann Solar, Hohenzollernstr 1, 70178 Stuttgart, Germany

Abstract

A solar updraft tower power plant—sometimes also called “solar chimney” or just “solar tower”—is a solar thermal power plant utilizing a combination of solar air collector and central updraft tube to generate a solar induced convective flow which drives pressure staged turbines to generate electricity. The paper presents theory, practical experience, and economy of solar updraft towers: First a simplified theory of the solar tower is described. Then results from designing, building and operating a small scale prototype in Spain are presented. Eventually technical issues and basic economic data for future commercial solar tower systems like the one being planned for Australia are discussed.

Publisher

ASME International

Subject

Energy Engineering and Power Technology,Renewable Energy, Sustainability and the Environment

Reference19 articles.

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2. Gu¨nther, H., 1931, “In Hundert Jahren—Die ku¨nftige Energieversorgung der Welt,” Kosmos, Gesellschaft der Naturfreunde, Franckh’sche Verlagshandlung, Stuttgart.

3. Haaf, W. , 1984, “Solar Towers, Part II: Preliminary Test Results From the Manzanares Pilot Plant,” Sol. Energy, 2, pp. 141–161.

4. Haaf, W., Friedrich, K., Mayr, G., and Schlaich, J., 1983, “Solar Chimneys, Part I: Principle and Construction of the Pilot Plant in Manzanares,” Sol. Energy, 2, pp. 3–20.

5. Schlaich, J., Schiel, W., Friedrich, K., Schwarz, G., Wehowsky, P., Meinecke, W., and Kiera, M., 1990, “Abschlußbericht Aufwindkraftwerk, U¨bertragbarkeit der Ergebnisse von Manzanares auf gro¨ßere Anlagen,” BMFT-Fo¨rderkennzeichen 0324249D, Stuttgart.

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