This paper presents an experimental and numerical analysis of building coolingusing night-time cold accumulation in phase change material (PCM), otherwise known as the "free-cooling" or "passive-cooling" principle. The phase change materials were used in ceilings and floors. The free-cooling principle is explained and some of the types of PCMs suitable for summer cooling are listed. An experiment was conducted using paraffin with a melting point of 22 °C as the PCM to store cold during the night and to cool hot air during the daytime in summer. Air temperatures and heat fluxes, as a function of time and dimensionless cold discharging values, are presented for differentair velocities. Experimental analysis over a one week measuring period, under real conditions, is presented in order to show how cold storage functions.
| Jezik: | Angleški jezik |
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| Ključne besede: | faznospremenljivi materiali, prezračevanje zgradb, hlajenje, hladilniki, eksperimentalne metode, numerične analize, meritve, phase change material, free cooling, cold storage, experimental analysis, numerical analysis |
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| Vrsta gradiva: | Delo ni kategorizirano (r6) |
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| Tipologija: | 1.01 - Izvirni znanstveni članek |
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| Organizacija: | FS - Fakulteta za strojništvo |
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| Leto izida: | 2006 |
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| Št. strani: | str. 189-198 |
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| Številčenje: | Letn. 5, št. 2 |
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| UDK: | 697 |
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| ISSN pri članku: | 1473-3315 |
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| COBISS.SI-ID: | 9487131  |
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| Število ogledov: | 1384 |
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| Število prenosov: | 282 |
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| Metapodatki: |     |
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| Skupna ocena: | (0 glasov) |
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| Vaša ocena: | Ocenjevanje je dovoljeno samo prijavljenim uporabnikom. |
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