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Sandwich Construction Solar Structural Facets

Description/Abstract

Silver/glass mirrors have excellent optical properties but need a method of support in order to be used in concentrating solar thermal systems. In collaboration with the Cummins dish/Stirling development program, they started investigating sandwich construction as a way to integrate silver/glass mirrors into solar optical elements. In sandwich construction, membranes such as sheet metal or plastic are bonded to the front and back of a core (like a sandwich). For solar optical elements, a glass mirror is bonded to one of the membranes. This type of construction has the advantages of a high strength-to-weight ratio, and reasonable material and manufacturing cost. The inherent stiffness of sandwich construction mirror panels also facilitates large panels. This can have cost advantages for both the amount of hardware required as well as reduced installation and alignment costs. In addition, by incorporating the panels into the support structure reductions in the amount of structural support required are potentially possible.

Creator/Author: Diver, R. B. ; Grossman, J.W.
Publication Date:1998 Dec 22
OSTI Identifier:OSTI ID: 2822
Report Number(s):SAND98-2845C
DOE Contract Number:AC04-94AL85000
Other Number(s):TRN: AH200112%%180
Resource Type:Conference
Resource Relation:Conference: ASME International Solar Energy Conference, Maui, HI (US), 04/11/1999--04/16/1999; Other Information: PBD: 22 Dec 1998
Research Org:Sandia National Labs., Albuquerque, NM (US); Sandia National Labs., Livermore, CA (US)
Sponsoring Org:US Department of Energy (US)
Subject:14 SOLAR ENERGY; SOLAR CONCENTRATORS; CONSTRUCTION; MANUFACTURING; MIRRORS; OPTICAL PROPERTIES; SOLAR THERMAL CONVERSION
Country of Publication:United States
Language:English
Format: Size: 22 pages
Availability: OSTI as DE00002822
To purchase this media from NTIS, click here
Update Date:2008 Feb 04

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