Cold storage with phase change material for building ventilation
Butala, Vincenc (Author), Stritih, Uroš (Author)

URLURL - Presentation file, Visit http://www.ijovent.org.uk This link opens in a new window

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.

Keywords:faznospremenljivi materiali, prezračevanje zgradb, hlajenje, hladilniki, eksperimentalne metode, numerične analize, meritve, phase change material, free cooling, cold storage, experimental analysis, numerical analysis
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Number of pages:str. 189-198
Numbering:Letn. 5, št. 2
ISSN on article:1473-3315
COBISS.SI-ID:9487131 Link is opened in a new window
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Record is a part of a journal

Title:International journal of ventilation
Shortened title:Int. j. vent.
COBISS.SI-ID:9486875 This link opens in a new window

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