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Thermally activated building systems using phase-change-materials

: Kalz, D.; Pfafferott, J.; Schossig, P.; Herkel, S.

Preprint urn:nbn:de:0011-n-664860 (184 KByte PDF)
MD5 Fingerprint: 4112291f5604db396e9efab3c2f21501
Created on: 10.1.2008

Burek, S. ; International Solar Energy Society -ISES-:
EuroSun 2006. Conference Proceedings. CD-ROM : Glasgow, UK, 27 - 30 June, 2006
Abingdon: ISES, 2006
ISBN: 0-904963-73-1
6 pp.
Solar Energy Society (Conference) <86, 2006, Glasgow>
Conference Paper, Electronic Publication
Fraunhofer ISE ()
Gebäudekonzepte; Energieeffiziente und solare Kühlung; Gebäudekonzepte; Energieeffiziente und solare Kühlung

This paper outlines the effects, the potential and the performance of thermally activated building systems (TABS), as well as an evaluating comparison with an all-air conditioning system by means of a validated building and plant model in ESP-r. Preliminary experiments in a commonly operated room of a low-energy office building facilitate the calibration of the simulation model. In particular, the simulation study was carried out for (i) concrete core conditioning, (ii) grid conditioning without and (iii) with 20% of micro-encapsulated PCMs applied to the ceiling. The central conclusions of this study are: (1) Grid conditioning provides a satisfactory room performance comparable with concrete core conditioning, (2) the application of PCMs contributes to a reduced operative room temperature, and (3) PCM with a melting range of 21 to 24 °C is most favourable throughout all applications.