Operational experience and evaluation of a dual-element stretched-membrane heliostat

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Description

A dual-element, stretched-membrane central receiver heliostat was designed and manufactured in 1989, by a private US company engaged in the development of commercial central receiver solar technology. The two-module collector, with a collection area of 97.5 m{sup 2}, extends stretched-membrane mirror technology on several fronts with face-down stow capability and a digital controller that integrates tracking and focusing control on a single programmable control board. The solar collector was installed at Sandia`s National Solar Thermal Test Facility in Albuquerque, New Mexico and evaluated over a three-and-a-half year period which ended in September 1993. The measured performance and the operational and ... continued below

Physical Description

38 p.

Creation Information

Strachan, J.W. & Van Der Geest, J. January 1, 1994.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this report can be viewed below.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

A dual-element, stretched-membrane central receiver heliostat was designed and manufactured in 1989, by a private US company engaged in the development of commercial central receiver solar technology. The two-module collector, with a collection area of 97.5 m{sup 2}, extends stretched-membrane mirror technology on several fronts with face-down stow capability and a digital controller that integrates tracking and focusing control on a single programmable control board. The solar collector was installed at Sandia`s National Solar Thermal Test Facility in Albuquerque, New Mexico and evaluated over a three-and-a-half year period which ended in September 1993. The measured performance and the operational and maintenance characteristics of this commercial prototype are the subject of this report. The results of beam quality measurements, tracking repeatability tests, measurements of beam movement in elevated winds, performance tests of the focusing system, and all-day beam quality and tracking tests are presented, and the authors offer a detailed discussion of the knowledge gained through operation and maintenance and of the improvements made or suggested to the heliostat`s design.

Physical Description

38 p.

Notes

OSTI as DE94008827

Source

  • Other Information: PBD: Jan 1994

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  • Other: DE94008827
  • Report No.: SAND--93-2453
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/142525 | External Link
  • Office of Scientific & Technical Information Report Number: 142525
  • Archival Resource Key: ark:/67531/metadc625618

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • January 1, 1994

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

Description Last Updated

  • April 14, 2016, 5:57 p.m.

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Strachan, J.W. & Van Der Geest, J. Operational experience and evaluation of a dual-element stretched-membrane heliostat, report, January 1, 1994; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc625618/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.