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A multi-level modelling and evaluation of thermal performance of phase change materials in buildings

Angela Sasic Kalagasidis (Institutionen för bygg- och miljöteknik, Byggnadsteknologi)
Journal of Building Performance Simulation, Taylor & Francis (1940-1493). Vol. 7 (2013), 4, p. 289-308.
[Artikel, refereegranskad vetenskaplig]

Integration of phase-change materials (PCMs) in building envelopes is a way to enhance heat storage capacity of buildings and thereby to rationalize the use of energy for heating and cooling of buildings. This work presents a numerical model of a building envelope with PCMs, verifications of the model according to a normative benchmark and measurements and a tentative case study that exemplifies the effects of such a building envelope on the thermal performance of a whole building. Simulations have been carried out using a modular environment of the International Building Physics Toolbox in Simulink®. As for the effects of PCMs in buildings, it is concluded that they are rather case sensitive; in the tentative case study, the annual savings of total energy for heating and cooling vary between 5% and 21%, depending mainly on the thermal comfort and the placement of PCM in the building envelope.

Nyckelord: PCM, IBPT library, Simulink® , modular programmes, whole buildings, thermal storage



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Denna post skapades 2013-09-08. Senast ändrad 2014-11-12.
CPL Pubid: 182919

 

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Institutioner (Chalmers)

Institutionen för bygg- och miljöteknik, Byggnadsteknologi (2005-2017)

Ämnesområden

Building Futures
Hållbar utveckling
Byggnadsteknik

Chalmers infrastruktur