0
TECHNICAL PAPERS

Photogrammetry: A Powerful Tool for Geometric Analysis of Solar Concentrators and Their Components

[+] Author and Article Information
Klaus Pottler, Eckhard Lüpfert

German Aerospace Center (DLR), Institute of Technical Thermodynamics, Plataforma Solar de Almerı́a, P.O. Box 39, Tabernas, 04200, Spain

Glen H. G. Johnston

Excelsia Accomplis, 31 Neilson St., Garran, ACT 2605, Australia

Mark R. Shortis

Faculty of Engineering, RMIT University, GPO Box 2476V, Melbourne 3001, Australia

J. Sol. Energy Eng 127(1), 94-101 (Feb 07, 2005) (8 pages) doi:10.1115/1.1824109 History: Received May 05, 2004; Revised May 17, 2004; Online February 07, 2005
Copyright © 2005 by ASME
Your Session has timed out. Please sign back in to continue.

References

Shortis,  M. R., and Johnston,  G. H. G., 1996, “Photogrammetry: An Available Surface Characterization Tool for Solar Concentrators, Part 1: Measurement of Surfaces,” ASME J. Sol. Energy Eng., 118, pp. 146–150.
Shortis,  M. R., and Johnston,  G. H. G., 1997, “Photogrammetry: An Available Surface Characterization Tool for Solar Concentrators, Part II: Assessment of Surfaces,” ASME J. Sol. Energy Eng., 119, pp. 286–291.
Lüpfert, E., Zarza, E., Geyer, M., Nava, P., Langenkamp, J., Schiel, W., Esteban, A., Osuna, R., and Mandelberg, E., 2003, “EuroTrough Collector Qualification Complete—Performance Test Results from PSA,” ISES Solar World Congress, Göteborg, Sweden.
Riffelmann, K.-K., Neumann, A., and Wittkowski, M., 2003, “PARASCAN: A New Parabolic Trough Flux Scanner,” ISES Solar World Congress, Göteborg, Sweden.
Ulmer, S., Riffelmann, K.-J., Lüpfert, E., and Neumann, A., 2004, “Comparative Flux Measurement and Raytracing for the Characterization of the Focal Region of Solar Parabolic Trough Collectors,” ASME Congress, Solar 2004, Portland, Oregon.
Wendelin,  T. J., and Grossman,  J. W., 1995, “Comparison of Three Methods for Optical Characterization of Point-Focus Concentrators,” ASME J. Sol. Energy Eng., 2, pp. 775–780.
Wendelin, T. J., Jorgensen, G. J., and Wood, R. L., 1991, “SHOT: A Method for Characterizing the Surface Figure and Optical Performance of Point Focus Solar Concentrators,” ASME J. Sol. Energy Eng., pp. 555–560.
Jones, S. A., Gruetzner, J. K., Houser, R. M., Edgar, R. M., and Wendelin, T. J., 1997, “VSHOT Measurement Uncertainty and Sensitivity Study,” SAND97-1627C.
Arqueros,  F., Jiménez,  A., and Valverde,  A., 2003, “A Novel Procedure for the Optical Characterization of Solar Concentrators,” Sol. Energy, 75, pp. 135–142.
Butler,  B. L., and Pettit,  R. B., 1977, “Optical Evaluation Techniques for Reflecting Solar Concentrators,” Proc. SPIE, 114, pp. 43–49.
Köhne, R., Rach, E., and Reich, F., 1985, “Prozessrechnergesteuerte Anlage zur optischen Vermessung großer Spiegeloberflächen,” Forschungsbericht DFVLR-FB-85-58.
Hansche, B. D., 1978, “Laser Ray Trace Tester for Parabolic Trough Solar Concentrators,” ISA, pp. 485–490.
Fraser, C. S., 1984, “Network Design Considerations for Non-Topographic Photogrammetry,” Photogrammetric Engineering and Remote Sensing, 50 (8), pp. 1115–1125.
Dold, J., 1996, “Influence of Large Targets on the Results of Photogrammetric Bundle Adjustment,” International Archives of Photogrammetry and Remote Sensing, 31 (B5), pp. 119–123.
Robson, S., and Shortis, M. R., 1998, “Practical Influences of Geometric and Radiometric Image Quality Provided by Different Digital Camera Systems,” Photogrammetric Record, 16 (92), pp. 225–248.
Shortis,  M. R., Clarke,  T. A., and Robson,  S., 1995, “Practical Testing of the Precision and Accuracy of Target Image Centring Algorithms,” Videometrics IV, Proc. SPIE, 2598, pp. 65–76.
Shortis, M. R., and Fraser, C. S., 1998, “State of the Art 3D Optical Measurement Systems for Industrial and Engineering Applications,” Proceedings, Commission 6, 21st Congress of the International Federation of Surveyors, Brighton, England, pp. 272–290.
Geometric Software P/L, “Vision Measurement System (VMS),” 15 Maranoa Crescent, Coburg 3058, Australia, http://www.geomsoft.com.
Johnston,  G., 1995, “On the Analysis of Surface Error Distributions on Concentrated Solar Collectors,” ASME J. Sol. Energy Eng., 117, pp. 294–296.
Maas, H.-G., 1991, “Digital Photogrammetry for Determination of Tracer Particle Coordinates in Turbulent Flow Research,” Photogrammetric Eng. Remote Sensing, 57 (12), pp. 1593–1597.
Shortis, M. R., and Snow, W. L., 1997, “Videometric Tracking of Wind Tunnel Aerospace Models at NASA Langley Research Center,” Photogrammetric Record, 15 (85), pp. 673–689.
Bösemann, W., 1996. “The Optical Tube Measurement System OLM—Photogrammetric Methods Used for Industrial Automation and Process Control,” International Archives of Photogrammetry and Remote Sensing, 30 (B5), pp. 304–309.
Haggren, H., and Heikkila, J., 1990, “Photogrammetric Measuring of Windshield Frames in Automobile Manufacturing,” Surveying Science Finland, 1 , pp. 10–18.

Figures

Grahic Jump Location
Space frame of a EuroTrough module with measurement targets on the mirror support points
Grahic Jump Location
Deviations of EuroTrough mirror support points from design heights in mm
Grahic Jump Location
EuroTrough collector element with measurement targets on the concentrator mirrors
Grahic Jump Location
EuroTrough mirror surface. Deviations from the design heights (expanded scale)
Grahic Jump Location
Transversal slope errors (marked as crosses) of neighboring points (marked as dots) in milliradian. Positive values indicate the areas where the reflected rays tend to pass over the focal line
Grahic Jump Location
Site jig at the Plataforma Solar de Almerı́a for the assembly of EuroTrough space frames
Grahic Jump Location
Thermally induced displacements in height (mm) of a EuroTrough construction jig as a function of ambient temperature changes
Grahic Jump Location
Two adjacent EuroTrough facets with 7000 measurement targets as used for the study of the sag
Grahic Jump Location
Shape change caused by gravitational forces for two facets. All pictures scaled uniformly
Grahic Jump Location
Curved, 38 cm square aperture mirror facet
Grahic Jump Location
Curved shape of the mirror facet as calculated from photogrammetric data
Grahic Jump Location
Depth deviation data optimized to a paraboloid having a focal length of 370.4 mm
Grahic Jump Location
Depth deviation data optimized to a sphere having a radius of curvature of 759.3 mm
Grahic Jump Location
Spatial distribution of facet depth deviations from a spherical surface, radius: 759.3 mm
Grahic Jump Location
Frequency distribution of surface normal deviations (slope errors) for the target coordinates across the mirror facet. Solid line shows actual frequency distribution, dashed line shows the best-fit Rayleigh distribution to the data
Grahic Jump Location
Image of the expected light distribution at the 370 mm focal point of the mirror facet
Grahic Jump Location
Surface plot of the focal light distribution shown in Fig. 16
Grahic Jump Location
Percent-power-in-radius plot for the flux distribution shown in Fig. 16

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In