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Title:
Pregled in kriteriji za izbiro toplotnoizolacijskih materialov
Authors:
ID
Radonjič, Gregor
(
Author
)
ID
Musil, Vojko
(
Author
)
Files:
http://www.dlib.si/details/URN:NBN:SI:doc-R07QZH21
Language:
Slovenian
Work type:
Not categorized
Typology:
1.02 - Review Article
Organization:
EPF - Faculty of Business and Economics
Abstract:
V preglednem članku opisujemo vrste in lastnosti najpomembnejših toplotnoizolacijskih materialov, smisel in pomembnost pravilnega izoliranja kot tudi ključne kriterije za določitev optimalne izolacije. Poleg pravilne izbire ustreznega toplotnoizolacijskega materiala je potrebno vselej sistematično pristopiti tudi k izračunu debeline izolacijskega sloja. Med toplotnoizolacijskimi materiali je dan večji poudarek trdim poliuretanskim (PUR) penam. Za izboljšanje kakovosti trdih PUR pen je potrebno dobro poznavanje zakonitosti prenosa toplote skozi njihovo porozno strukturo, kar omogoča doseganje nizkih vrednosti toplotne prevodnosti. Podani so tudi izrazi za določitev efektivne toplotne prevodnosti, kakor tudi možnosti substitucije penilcev in recikliranja pri proizvodnji PUR pen.
Keywords:
toplotnoizolacijski materiali
,
optimalna izolacija
,
trde poliuretanske pene
Publisher:
Inštitut za kovinske materiale in tehnologije
Year of publishing:
1995
Number of pages:
str. 247-250
Numbering:
Letn. 29, št. 1/2
PID:
20.500.12556/DKUM-53409
UDC:
678
ISSN on article:
1318-0010
COBISS.SI-ID:
8417540
NUK URN:
URN:SI:UM:DK:J6PZQUEG
Publication date in DKUM:
10.07.2015
Views:
2044
Downloads:
65
Metadata:
Categories:
Misc.
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Record is a part of a journal
Title:
Kovine zlitine tehnologije
Shortened title:
Kovine zlit. tehnol.
Publisher:
Inštitut za kovinske materiale in tehnologije
ISSN:
1318-0010
COBISS.SI-ID:
31742209
Secondary language
Language:
Unknown
Title:
Review and criteria for choosing thermal insulation materials
Abstract:
The aim of our paper is to show the role and the significance of proper use of thermal insulation materials. We discuss different criteria for choosing the most proper insulation as well as the importance of the determination of economic thickness of insulation layer. Among many different insulation materials rigid polyurethane foam is distinguished as one of the most efficient. In order to improve the quality of such foamed material a good knowledge of the heat transfer phenomenon in its porous structure is necessary. We also discuss about some possibilities of freon substitution and polyurethane foam recycling.
Keywords:
thermal insulation materials
,
optimal insulation
,
rigid polyurethane foam
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