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Title:Merjenje toplotne prevodnosti tankih plasti tkanin z infrardečo kamero
Authors:Peruš, Matija (Author)
Slavinec, Mitja (Mentor) More about this mentor... New window
Klemenčič, Eva (Co-mentor)
Files:.pdf UN_Perus_Matija_2016.pdf (1,60 MB)
 
Language:Slovenian
Work type:Undergraduate thesis (m5)
Typology:2.11 - Undergraduate Thesis
Organization:FNM - Faculty of Natural Sciences and Mathematics
Abstract:V diplomskem delu so predstavljeni rezultati meritev toplotne prevodnosti tankih tkanin z nekontaktno metodo z uporabo infrardeče (v nadaljevanju IR) kamere. Z nekontaktno metodo smo izboljšali obstoječo merilno napravo za merjenje toplotne prevodnosti tankih plasti, kar prej ni bilo mogoče. Naprava je prirejena tudi tako, da ob meritvah v stacionarni fazi omogoča tudi analizo meritev, ki jih opravimo še preden se vzpostavi stacionarno stanje toplotnega toka. Gre za prve meritve take vrste in v strokovni literaturi na to temo ni opisa eksperimentalnih postopkov. Meritve so bile opravljene za 6 vzorcev bombažnih tkanin, različnih debelin in barv. Rezultati meritev kažejo, da je uporaba IR kamere pri meritvah tankih plasti primerna, sploh ko je vzorec že v temperaturnem ravnovesju. Dobljene rezultate smo primerjali s teoretičnimi napovedmi in ugotovili, da so se skladajo.
Keywords:toplota, prevajanje toplote, toplotno udobje, toplotna prevodnost, IR kamera, nekontakna metoda, bombažna tkanina, eksperimentalne meritve.
Year of publishing:2016
Publisher:[M. Peruš]
Source:Maribor
UDC:543.58:536.2:677.21(043.2)
URN:URN:SI:UM:DK:A5T3XWBW
COBISS_ID:22757384 Link is opened in a new window
Views:554
Downloads:75
Metadata:XML RDF-CHPDL DC-XML DC-RDF
Categories:FNM
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Secondary language

Language:English
Title:Measurements of thermal conductivity of thin layers of fabric with the use of infrared camera
Abstract:This thesis presents the results of measurements of the thermal conductivity of thin layers of fabrics with the use of IR camera. Measurements were taken by a non – contact method for six samples of cotton of different thickness and colour. The apparatus was redesigned so that the measurements of thin layers are now possible – which was an improvement upon it's previous design. The apparatus is also capable of taking measurements of dynamic and steady state phase of thermal conductivity. The experiment required a high level of precision. In examined theory we found no description of the experimental preparation done, only results. Results of the experiment clearly show that the use of the IR camera for determining thermal conductivity of thin layers of fabrics is justified in stationary phase, as the results match the theoretical ones.
Keywords:heat, heat conduction, thermal comfort, thermal conductivity, thermal resistance, cotton fabric, IR camera, non – contact method, experimental measurements.


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