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The Influence of Direct Normal Irradiance Variation on the Optimal Parabolic Trough Field Size: A Problem Solved With Technical and Economical Simulations

[+] Author Affiliations
Volker Quaschning, Rainer Kistner, Winfried Ortmanns

Deutsches Zentrum für Luft und Raumfahrt e.V. (DLR), Tabernas, Spain

Paper No. SED2002-1073, pp. 361-366; 6 pages
  • ASME Solar 2002: International Solar Energy Conference
  • Solar Energy
  • Reno, Nevada, USA, June 15–20, 2002
  • Conference Sponsors: Solar Energy Division
  • ISBN: 0-7918-1689-3
  • Copyright © 2002 by ASME


One of the main problems when designing a solar thermal power plant is to find the optimal parabolic trough field size. Errors made in this context can easily lead into a financial disaster. Simulation tools that handle all aspects of a power plant (technical as well as economical) treat such economical problems as a whole and can be very helpful during the design process. However, even the smartest simulation tool depends significantly on the input parameters, such as the solar irradiance. As a result of the given considerations a new method for estimating the solar field size as a function of the solar irradiance is proposed. Additionally, this paper demonstrates a path to simulate the complexity of a parabolic trough power plant.

Copyright © 2002 by ASME



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