Title: Analytical expression for transient heat transfer in Concrete Core Activation
Authors: Sourbron, Maarten ×
Baelmans, Martine
Helsen, Lieve #
Issue Date: 28-Jun-2014
Publisher: American Society of Heating, Refrigerating and Air-Conditioning Engineers
Host Document: ASHRAE Transactions vol:120 issue:2
Conference: ASHRAE Annual Conference edition:2014 location:Seattle, Washington, USA date:June 28 - July 2, 2014
Abstract: Concrete core activation (CCA) is a large thermal mass which is actively used within a building’s HVAC system. This implies that the building controller should account for the CCA thermal characteristics. For this purpose, an analytical expression for the heat transfer in CCA is derived in this paper, which can be used to analyse temperature distribution, the heat transfer rate and the accumulated heat in a CCA-slab, both in space and in time. Moreover, this paper shows that a further simplification leads to an explicit expression for the time as a function of the transferred or stored heat. This is essential for building controllers which need information on start-up times or, in smart grid applications, on the potential for thermal energy storage through the use of heat pumps or chillers.
ISSN: 0001-2505
Publication status: accepted
KU Leuven publication type: IC
Appears in Collections:Mechanical Engineering Technology TC, Technology Campus De Nayer Sint-Katelijne-Waver
Technologiecluster Werktuigkundige Industriële Ingenieurstechnieken
Applied Mechanics and Energy Conversion Section
× corresponding author
# (joint) last author

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