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Title: Optimization of thin-film transparent plastic honeycomb covered flat-plate solar collectors. Semiannual report, 24 May 1976--23 November 1976

Abstract

The objectives of the present program are to develop an optimized transparent plastic honeycomb-covered solar collector with improved high-temperature performance and stability and further reduce collector costs through judicious selection of materials, cellular structure configurations and fabrication techniques. The major areas of activity consisted of fabrication studies to develop techniques for cost-effective production of FEP Teflon and Lexan, optimization studies to determine optimum cell size and geometry for Mylar, FEP Teflon, and Lexan honeycombs, studies to develop a mechanically stable FEP Teflon glazing, work to develop a combined FEP Teflon honeycomb and glazing system, working with key manufacturers to develop fabrication techniques, and thermal analyses to support all areas of activity. An analysis was completed to predict the performance of honeycomb collectors equipped with plastic glazings. Work was initiated on studies to define a method for thermally protecting the low-temperature plastic honeycombs when subjected to stagnation (i.e., no flow) conditions. The test program planned for test and evaluation of full-scale collectors equipped with the candidate honeycombs is summarized. Results of laboratory studies to investigate alternate methods for fabrication of plastic honeycombs are described, and a list of manufacturers cooperating on the program is presented. (WHK)

Authors:
; ; ;
Publication Date:
Research Org.:
Lockheed Missiles and Space Co., Palo Alto, Calif. (USA). Lockheed Palo Alto Research Lab.
OSTI Identifier:
5290549
Alternate Identifier(s):
OSTI ID: 5290549
Report Number(s):
SAN/1256-76/1; LMSC/D-553743
DOE Contract Number:  
EY-76-C-03-1256
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; FLAT PLATE COLLECTORS; HONEYCOMB STRUCTURES; OPTIMIZATION; COMPUTER CALCULATIONS; COST; COVERINGS; FABRICATION; GLAZES; HEAT LOSSES; MATERIALS; MYLAR; OPTICAL PROPERTIES; PERFORMANCE TESTING; PLASTICS; PRODUCTION; SIZE; TEFLON; THERMAL ANALYSIS; COATINGS; ENERGY LOSSES; ESTERS; FLUORINATED ALIPHATIC HYDROCARBONS; HALOGENATED ALIPHATIC HYDROCARBONS; MECHANICAL STRUCTURES; ORGANIC COMPOUNDS; ORGANIC FLUORINE COMPOUNDS; ORGANIC HALOGEN COMPOUNDS; ORGANIC POLYMERS; PETROCHEMICALS; PETROLEUM PRODUCTS; PHYSICAL PROPERTIES; POLYESTERS; POLYETHYLENES; POLYMERS; POLYOLEFINS; SOLAR COLLECTORS; TESTING 141000* -- Solar Collectors & Concentrators

Citation Formats

Marshall, K.N., Greenberg, S.A., Hollands, K.G.T., and Wedel, R.K. Optimization of thin-film transparent plastic honeycomb covered flat-plate solar collectors. Semiannual report, 24 May 1976--23 November 1976. United States: N. p., 1976. Web.
Marshall, K.N., Greenberg, S.A., Hollands, K.G.T., & Wedel, R.K. Optimization of thin-film transparent plastic honeycomb covered flat-plate solar collectors. Semiannual report, 24 May 1976--23 November 1976. United States.
Marshall, K.N., Greenberg, S.A., Hollands, K.G.T., and Wedel, R.K. Tue . "Optimization of thin-film transparent plastic honeycomb covered flat-plate solar collectors. Semiannual report, 24 May 1976--23 November 1976". United States.
@article{osti_5290549,
title = {Optimization of thin-film transparent plastic honeycomb covered flat-plate solar collectors. Semiannual report, 24 May 1976--23 November 1976},
author = {Marshall, K.N. and Greenberg, S.A. and Hollands, K.G.T. and Wedel, R.K.},
abstractNote = {The objectives of the present program are to develop an optimized transparent plastic honeycomb-covered solar collector with improved high-temperature performance and stability and further reduce collector costs through judicious selection of materials, cellular structure configurations and fabrication techniques. The major areas of activity consisted of fabrication studies to develop techniques for cost-effective production of FEP Teflon and Lexan, optimization studies to determine optimum cell size and geometry for Mylar, FEP Teflon, and Lexan honeycombs, studies to develop a mechanically stable FEP Teflon glazing, work to develop a combined FEP Teflon honeycomb and glazing system, working with key manufacturers to develop fabrication techniques, and thermal analyses to support all areas of activity. An analysis was completed to predict the performance of honeycomb collectors equipped with plastic glazings. Work was initiated on studies to define a method for thermally protecting the low-temperature plastic honeycombs when subjected to stagnation (i.e., no flow) conditions. The test program planned for test and evaluation of full-scale collectors equipped with the candidate honeycombs is summarized. Results of laboratory studies to investigate alternate methods for fabrication of plastic honeycombs are described, and a list of manufacturers cooperating on the program is presented. (WHK)},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1976},
month = {11}
}

Technical Report:
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