Development of design calculations for radiant ceiling panels incorporating phase change materials (PCMs)

E Švarcová*, J Shinoda, D I Bogatu, O B Kazanci, D Petráš, B W Olesen

*Corresponding author for this work

Research output: Contribution to journalConference articleResearchpeer-review

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Abstract

Thermally active building systems (TABS) show significant benefits such as providing peak load shifting, peak load reductions, and energy savings. Phase change material (PCM) applications with water circulation have benefits similar to TABS, but PCMs can store more heat per unit volume than concrete due to the latent heat exchange. Radiant panels with PCM can be applied in building retrofit, which gives this application a significant advantage compared to TABS. A design methodology for determining heat flux does not exist though for dimensioning a radiant ceiling system that incorporates PCM. Design methods according to standards for TABS – ISO 11855-2 and for radiant panels – ISO 18566-3 were investigated. Five radiant ceiling panels incorporating PCM were selected from Denmark, Canada, Germany, the Czech Republic and Latvia. The resulting heat flux between the panel and conditioned space, i.e. the room, following methods represented in the standards, were compared with the measured or simulated values reported in the literature. The comparison showed that the calculation for TABS (ISO 11855-2) led to similar results to the measured or simulated values.
Original languageEnglish
Article number062002
Book seriesJournal of Physics: Conference Series
Volume2600
Issue number6
Number of pages6
ISSN1742-6588
DOIs
Publication statusPublished - 2023
EventCISBAT 2023: Built Environment in Transition - Lausanne, Switzerland
Duration: 13 Sept 202315 Sept 2023

Conference

ConferenceCISBAT 2023
Country/TerritorySwitzerland
CityLausanne
Period13/09/202315/09/2023

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