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Vacuum insulation - phase 2; Vakuumisolering - etapp 2

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Abstract

A CFC-free alternative for insulation of district heating pipes is examined in this project. The heat conductivity of vacuum packed granulates has been measured under realistic conditions, and requirements of the package material are specified. Among the tested powders, Kieselguhr and Blackened Aerogel had the lowest heat conductivity at high vacuum (< 10 mB). Above this pressure Blackened Aerogel had superior insulation properties. A five-component plastic/aluminium laminate foil was developed as package material. (9 refs., 11 figs.).
Authors:
Publication Date:
Aug 28, 1992
Product Type:
Technical Report
Report Number:
FU-92-8
Reference Number:
SCA: 320603; PA: SWD-93:007075; SN: 93000949456
Resource Relation:
Other Information: PBD: 28 Aug 1992
Subject:
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; DISTRICT HEATING; THERMAL INSULATION; HEAT DISTRIBUTION SYSTEMS; MEDIUM VACUUM; GRANULAR MATERIALS; SILICON OXIDES; PIPES; THERMAL CONDUCTIVITY; TESTING; 320603; PUBLIC UTILITIES
OSTI ID:
10132642
Research Organizations:
Fjaerrvaermeutveckling FVU AB, Nykoeping (Sweden)
Country of Origin:
Sweden
Language:
Swedish
Other Identifying Numbers:
Other: ON: DE93770010; TRN: SE9307075
Availability:
OSTI; NTIS
Submitting Site:
SWD
Size:
30 p.
Announcement Date:
Jul 04, 2005

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Citation Formats

Torstensson, H, and Zinko, H. Vacuum insulation - phase 2; Vakuumisolering - etapp 2. Sweden: N. p., 1992. Web.
Torstensson, H, &amp; Zinko, H. Vacuum insulation - phase 2; Vakuumisolering - etapp 2. Sweden.
Torstensson, H, and Zinko, H. 1992. "Vacuum insulation - phase 2; Vakuumisolering - etapp 2." Sweden.
@misc{etde_10132642,
title = {Vacuum insulation - phase 2; Vakuumisolering - etapp 2}
 author = {Torstensson, H, and Zinko, H}
 abstractNote = {A CFC-free alternative for insulation of district heating pipes is examined in this project. The heat conductivity of vacuum packed granulates has been measured under realistic conditions, and requirements of the package material are specified. Among the tested powders, Kieselguhr and Blackened Aerogel had the lowest heat conductivity at high vacuum (< 10 mB). Above this pressure Blackened Aerogel had superior insulation properties. A five-component plastic/aluminium laminate foil was developed as package material. (9 refs., 11 figs.).}
 place = {Sweden}
 year = {1992}
 month = {Aug}
 }