Beam Characterization and Improvement with a Flux Mapping System for Dish Concentrators-Reference-Cited by-同舟云学术

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

Published:2002-04-24 Issue:2 Volume:124 Page:182-188
ISSN:0199-6231
Container-title:Journal of Solar Energy Engineering
language:en
Short-container-title:

Author:

Ulmer Steffen¹,Reinalter Wolfgang¹,Heller Peter¹,Lu¨pfert Eckhard¹,Martı´nez Diego²

Affiliation:

1. Deutsches Zentrum fu¨r Luft- und Raumfahrt (DLR), Plataforma Solar de Almerı´a, Apartado 39, E-04200 Tabernas, Almerı´a, Spain

2. Centro de Investigaciones Energe´ticas Medioambientales y Tecnolo´gicas (CIEMAT), Plataforma Solar de Almerı´a, Apartado 22, E-04200 Tabernas, Almerı´a, Spain

Abstract

A flux mapping system able to measure the flux distribution of dish/Stirling systems in planes perpendicular to the optical axis was built and operated at the Plataforma Solar de Almerı´a (PSA). It uses the indirect measuring method with a water-cooled Lambertian target placed in the beam path and a CCD-camera mounted on the concentrator taking images of the brightness distribution of the focal spot. The calibration is made by calculating the total power coming from the dish and relating it to the integrated gray value over the whole measurement area. The system was successfully operated in a DISTAL II stretched membrane dish and in the new EURODISH in order to characterize their beams and improve the flux distribution on their receivers.

Publisher

ASME International

Subject

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

Link

http://asmedigitalcollection.asme.org/solarenergyengineering/article-pdf/124/2/182/5701125/182_1.pdf

Reference6 articles.

1. Heller, P., Reinalter, W., and Martinez, D., 2001, “Status of Development of the Dish/Stirling Systems at Plataforma Solar de Almerı´a,” Proc. of 10th Int. Stirling Engine Conf. Osnabru¨ck, Germany.

2. Heller, P., Baumu¨ller, A., and Schiel, W., 2000, “Eurodish–The Next Milestone to Decrease the Costs of Dish/Stirling Systems Towards Competitiveness,” Solar Thermal 2000 Int. Conf., Sydney, Australia.

3. Lu¨pfert, E., Heller, P., Ulmer, S., Monterreal, R., and Fernandez, J., 2000, “Concentrated Solar Radiation Measurement with Video Image Processing and Online Fluxgage Calibration,” Solar Thermal 2000 Int. Conf., Sydney, Australia.

4. Kaluza, J., Neumann, A., Ferriere, A., and Robert, J. F., 2000, “Concentrated Solar Flux Measurements: Results of the Second SolarPACES Fluxmeter Intercomparison Campaign,” 10th SolarPACES Int. Symp. on Solar Thermal Concentrating Technologies, Sydney, Australia.

5. Romero, V. J., 1994, “CIRCE2/DEKGEN2: A Software Package for Facilitated Optical Analysis of 3-D Distributed Solar Energy Concentrators,” User Manual, Sandia Report SAND91-2238, Albuquerque, NM.

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