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Title:NAPRAVA ZA DOLOČANJE SPECIFIČNE TOPLOTNE PREVODNOSTI TRDNIN S KONTROLO TEMPERATURE ZRAKA NA MEJNIH PLOSKVAH
Authors:Duh, Nejc (Author)
Repnik, Robert (Mentor) More about this mentor... New window
Zidanšek, Aleksander (Co-mentor)
Files:.pdf UNI_Duh_Nejc_2014.pdf (1,64 MB)
MD5: 4908949CD3FE4953DF1C7E47CED840D4
 
Language:Slovenian
Work type:Final seminar paper (mb14)
Typology:2.11 - Undergraduate Thesis
Organization:FNM - Faculty of Natural Sciences and Mathematics
Abstract:Meritve toplotne prevodnosti trdnin so zahtevne, saj k prenosu toplote prispevajo prevajanje, konvekcija in sevanje. Izdelali smo merilnik, kjer lahko vpliv konvekcije in sevanja minimiziramo. Merilnik je sestavljen iz dveh izoliranih zra?nih komor, med kateri postavimo merjenec. Temperaturo komor reguliramo z bakrenim spiralnim grelnikom, skozi katerega te?e voda. Specifi?no toplotno prevodnost dolo?imo z meritvijo masnih pretokov vode, ki segreva zrak v komori z visoko temperaturo in ohlaja zrak v komori z nizko temperaturo, temperaturnih razlik vtekajo?e in iztekajo?e vode v obeh komorah ter temperaturne razlike med komorama.
Keywords:toplotna prevodnost, toplotni tok, naprava za določanje specifične toplotne prevodnosti trdnin, termodinamika
Year of publishing:2014
Publisher:[N. Duh]
Source:Maribor
UDC:53(043.2)
COBISS_ID:20886280 New window
NUK URN:URN:SI:UM:DK:FEMGWOWQ
Views:1248
Downloads:118
Metadata:XML RDF-CHPDL DC-XML DC-RDF
Categories:FNM
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Secondary language

Language:English
Title:DEVICE FOR THE DETERMINATION OF THE SPECIFIC HEAT CONDUCTIVITY OF SOLIDS
Abstract:The specific heat coefficient is relatively difficult to determine, as heat can be transferred by conduction, convection and radiation. We designed a device, in which the impact of radiation and convection is negligible. The device consists of two separate air chambers with the test object between them. The temperatures of the chambers are regulated via water filled copper coils. Specific heat conductivity is determined from the measured mass fluxes of water and temperature difference between water going into the chamber and water going out of the chamber and temperature difference between air temperature in chamber with high temperature and chamber with low temperature.
Keywords:heat transfer, heat flow, device for determining the specific heat coefficient, thermodynamics


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