Faculty of Civil and Geodetic Engineering, Ljubljana (FGGLJ)
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Fazno spremenljive snovi (PCM) in njihova uporaba v stavbah = Phase change materials (PCM) and their application in buildingsPajek, Luka ; Kunič, Roman ; Jagličić, ZvonkoVse pogosteje opažamo, da je v poletnih mesecih brez uporabe klimatskih naprav v novejših stavbah neprijetno vroče. Za to obstaja vrsta razlogov, pri čemer je eden izmed njih zagotovo nezadostna ... toplotna kapaciteta konstrukcijskih sklopov. Ena rešitev problema je uporaba fazno spremenljivih snovi, znanih tudi pod okrajšavo PCM (angleško Phase Change Material). Z njimi povečamo toplotno kapaciteto konstrukcijskega sklopa ob zanemarljivem povečanju njegove mase, s tem pa izboljšamo toplotno ugodje v notranjem okolju. Pregled literature je pokazal, da je v zadnjem desetletju močno naraslo število raziskav, ki obravnavajo lastnosti PCM, in število izdelkov s PCM za uporabo v stavbah. V prispevku smo z enostavnim izračunom pokazali, da lahko že s tanko plastjo PCM ustvarimo razmere, ki nam ugajajo v stavbah z večjo toplotno kapaciteto. Pri tem moramo paziti, da ima PCM tališče pri temperaturi, okoli katere se najpogosteje dnevno spreminja temperatura zraka. Predstavili smo nekaj primerov različnih vrst fazno spremenljivih snovi in primerov njihove uporabe v gradbenih proizvodih. Fazno spremenljive snovi imajo največji učinek, če jih vgradimo v sloj konstrukcije, ki je čim bližje notranjosti, saj imajo tako hiter odzivni čas, ki je kos dnevnim spremembam temperature. Pomembno je tudi, da jih ne obdamo z materiali nizke toplotne prevodnosti.Source: Gradbeni vestnik : glasilo Zveze društev gradbenih inženirjev in tehnikov Slovenije. - ISSN 0017-2774 (Letn. 67, mar. 2018, str. 51-62)Type of material - article, component partPublish date - 2018Language - slovenianCOBISS.SI-ID - 8369249
Author
Pajek, Luka |
Kunič, Roman |
Jagličić, Zvonko
Topics
toplotna kapaciteta |
fazno spremenljive snovi |
PCM |
heat capacity |
phase change materials |
PCM
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source: Gradbeni vestnik : glasilo Zveze društev gradbenih inženirjev in tehnikov Slovenije. - ISSN 0017-2774 (Letn. 67, mar. 2018, str. 51-62)
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Pajek, Luka | 38336 |
Kunič, Roman | 06699 |
Jagličić, Zvonko | 11892 |
Source: Personal bibliographies
and: SICRIS
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