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Quality and durability of solar collectors in Sweden. Convection barriers of FEP-film - damage investigation; Solfaangares kvalitet och bestaendighet i Sverige; Del 2 Konvektionshinder av FEP-film - skadeutredning

Technical Report:

Abstract

Transparent or translucent insulation materials (TIMs) represent a new class of materials with a high potential for increasing the efficiency of solar thermal conversion systems. A large number of materials have been subjected to theoretical and experimental investigation. If all materials that suppress heat losses but are transparent to solar radiation, vacuum, certain gases, convection barriers, etc, can be regarded as TIMs. Exploratory field and laboratory studies of degraded FEP-film convection barriers in flat plane thermal solar collectors are described. The study related to collectors that had been operating in Sweden for periods of one year to ten years. Both physical, functional (thermal) and chemical aspects of degradation were considered. The report identifies the mistakes made so that they need not be repeated by the solar collector manufacturers in the future. 11 refs, 59 figs, 11 tabs
Authors:
Publication Date:
Dec 31, 1993
Product Type:
Technical Report
Report Number:
SP-93-17
Reference Number:
SCA: 141000; PA: SWD-93:007432; EDB-94:017819; NTS-94:008809; ERA-19:006493; SN: 94001129812
Resource Relation:
Other Information: PBD: 1993
Subject:
14 SOLAR ENERGY; FLAT PLATE COLLECTORS; DEFECTS; SWEDEN; TEFLON; FILMS; NATURAL CONVECTION; FIELD TESTS; 141000; SOLAR COLLECTORS AND CONCENTRATORS
OSTI ID:
10117223
Research Organizations:
Swedish National Testing and Research Inst., Boraas (Sweden)
Country of Origin:
Sweden
Language:
Swedish
Other Identifying Numbers:
Journal ID: ISSN 0284-5172; Other: ON: DE94730451; TRN: SE9307432
Availability:
OSTI; NTIS
Submitting Site:
SWD
Size:
104 p.
Announcement Date:
Jun 30, 2005

Technical Report:

Citation Formats

Wennerholm, H. Quality and durability of solar collectors in Sweden. Convection barriers of FEP-film - damage investigation; Solfaangares kvalitet och bestaendighet i Sverige; Del 2 Konvektionshinder av FEP-film - skadeutredning. Sweden: N. p., 1993. Web.
Wennerholm, H. Quality and durability of solar collectors in Sweden. Convection barriers of FEP-film - damage investigation; Solfaangares kvalitet och bestaendighet i Sverige; Del 2 Konvektionshinder av FEP-film - skadeutredning. Sweden.
Wennerholm, H. 1993. "Quality and durability of solar collectors in Sweden. Convection barriers of FEP-film - damage investigation; Solfaangares kvalitet och bestaendighet i Sverige; Del 2 Konvektionshinder av FEP-film - skadeutredning." Sweden.
@misc{etde_10117223,
title = {Quality and durability of solar collectors in Sweden. Convection barriers of FEP-film - damage investigation; Solfaangares kvalitet och bestaendighet i Sverige; Del 2 Konvektionshinder av FEP-film - skadeutredning}
author = {Wennerholm, H}
abstractNote = {Transparent or translucent insulation materials (TIMs) represent a new class of materials with a high potential for increasing the efficiency of solar thermal conversion systems. A large number of materials have been subjected to theoretical and experimental investigation. If all materials that suppress heat losses but are transparent to solar radiation, vacuum, certain gases, convection barriers, etc, can be regarded as TIMs. Exploratory field and laboratory studies of degraded FEP-film convection barriers in flat plane thermal solar collectors are described. The study related to collectors that had been operating in Sweden for periods of one year to ten years. Both physical, functional (thermal) and chemical aspects of degradation were considered. The report identifies the mistakes made so that they need not be repeated by the solar collector manufacturers in the future. 11 refs, 59 figs, 11 tabs}
place = {Sweden}
year = {1993}
month = {Dec}
}