Thermal performance of capillary micro tubes integrated into the sandwich element made of concrete

Tomas Mikeska, Svend Svendsen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The thermal performance of radiant heating and cooling systems (RHCS) composed of capillary micro tubes (CMT) integrated into the inner plate of sandwich elements made of High Performance Concrete (HPC) was investigated in the article. Temperature distribution in HPC elements around integrated CMT was studied. Thermal heat flux on the inner surface of HPC element was carefully investigated. Calculations were carried out for different temperatures of the circulating fluid, different spacing between CMT and different thicknesses of the inner HPC layer covering the CMT. This paper shows that CMT integrated into the thin plate of sandwich element made of HPC can supply the energy needed for heating and cooling. The investigations were conceived as a low temperature concept, where the difference between the temperature of circulating fluid and air in the room was kept in range of 1 to 4°C. © (2013) Trans Tech Publications, Switzerland.
Original languageEnglish
JournalAdvanced Materials Research
Volume649
Pages (from-to)133-136
ISSN1022-6680
DOIs
Publication statusPublished - 2013

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