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TECHNICAL PAPERS

Beam Characterization and Improvement with a Flux Mapping System for Dish Concentrators

[+] Author and Article Information
Steffen Ulmer, Wolfgang Reinalter, Peter Heller, Eckhard Lüpfert

Deutsches Zentrum für Luft- und Raumfahrt (DLR), Plataforma Solar de Almerı́a, Apartado 39, E-04200 Tabernas, Almerı́a, Spain

Diego Martı́nez

Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT), Plataforma Solar de Almerı́a, Apartado 22, E-04200 Tabernas, Almerı́a, Spain

J. Sol. Energy Eng 124(2), 182-188 (Apr 24, 2002) (7 pages) doi:10.1115/1.1464881 History: Received February 01, 2001; Revised February 01, 2002; Online April 24, 2002
Copyright © 2002 by ASME
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References

Figures

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The target package in operation in the EURODISH
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The target package on ground
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Image rectification and size standardization of used target area
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Transmission curves of B&W ND-filters
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Spectral influence on calibration factor
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Flux maps from focal plane to absorber plane in logarithmic scale
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Flux distribution in focal plane of DISTAL II North
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Flux distribution in absorber plane of DISTAL II North
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Improved flux distribution in absorber plane of DISTAL II North
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Possible improvement of receiver intercept factor with tracking offset
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Flux distribution in focal plane of EURODISH South
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Flux distribution in absorber plane of EURODISH South
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Improved flux distribution after applying tension ring on concentrator center
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Percentage of integrated energy radii and cavity outline in EURODISH South

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