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Evaluation of cellular glasses for solar mirror panel applications Metadata

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Title

  • Main Title Evaluation of cellular glasses for solar mirror panel applications

Creator

  • Author: Giovan, M.
    Creator Type: Personal
  • Author: Adams, M.
    Creator Type: Personal

Publisher

  • Name: Jet Propulsion Laboratory (U.S.)
    Place of Publication: Pasadena, California
    Additional Info: Jet Propulsion Lab., Pasadena, CA (USA)

Date

  • Creation: 1979-06-15

Language

  • English

Description

  • Content Description: An analytic technique is developed to compare the structural and environmental performance of various materials considered for backing of second surface glass solar mirrors. Metals, ceramics, dense molded plastics, foamed plastics, forest products and plastic laminates are surveyed. Cellular glass is determined to be a prime candidate due to its low cost, high stiffness-to-weight ratio, thermal expansion match to mirror glass, evident minimal environmental impact and chemical and dimensional stability under conditions of use. While applications could employ this material as a foam core or compressive member of a composite material system, the present analysis addresses the bulk material only, allowing a basis for simple extrapolations. The current state of the art and anticipated developments in cellular glass technology are discussed. Material properties are correlated to design requirements using a Weibull weakest link statistical method appropriate for describing the behavior of such brittle materials. A mathematical model is presented which suggests a design approach which allows minimization of life cycle cost; given adequate information for a specific aplication, this would permit high confidence estimates of the cost/performance factor. A mechanical and environmental testing program is outlined, designed to providea material property basis for development of cellular glass hardware, together with methodology for collecting lifetime predictive data required by the mathematical treatment provided herein. Preliminary material property data from measurements is given.
  • Physical Description: 96 pages

Subject

  • STI Subject Categories: 14 Solar Energy
  • Keyword: Solar Reflectors
  • Keyword: Mirrors
  • Keyword: Crystal Structure
  • Keyword: Cost
  • Keyword: Mathematical Models
  • Keyword: Testing 140702* -- Solar Thermal Power Systems-- Central Receiver
  • Keyword: Materials Testing
  • Keyword: Glass
  • Keyword: Microstructure
  • Keyword: Physical Properties
  • Keyword: Solar Concentrators
  • Keyword: Evaluation
  • Keyword: Performance

Collection

  • Name: Office of Scientific & Technical Information Technical Reports
    Code: OSTI

Institution

  • Name: UNT Libraries Government Documents Department
    Code: UNTGD

Resource Type

  • Report

Format

  • Text

Identifier

  • Report No.: DOE/JPL-1060-24
  • Grant Number: EX-76-A-29-1060
  • DOI: 10.2172/6079498
  • Office of Scientific & Technical Information Report Number: 6079498
  • Archival Resource Key: ark:/67531/metadc1109598

Note

  • Display Note: Dep. NTIS, PC A05/MF A01.
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