Apparent and effective thermal capacitance of buildings |
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| Affiliation: | 1. Biomedical and Clinical Sciences School of Medicine, University of Milan, Milan 20122, Italy;2. Department of Obstetrics and Gynecology, University Hospital, Padua, Italy;3. Unit of Hematology, University Hospital, Padua, Italy;1. University of Exeter Medical School, Exeter, Devon EX1 2LU, UK;2. Centre for Academic Primary Care, University of Bristol, Bristol, UK;1. Royal South Hants Hospital and Southampton University Hospitals, Southampton SO14 0YG, UK;1. Centre for Energy and Environment, Malaviya National Institute of Technology, Jaipur, 302017, India;2. Civil Engineering Department, Malaviya National Institute of Technology, Jaipur, 302017, India;1. Laboratoire PHASE, Université de Toulouse, Paul Sabatier, 118 Route de Narbonne, 31062 Toulouse Cedex 9, France;2. CIFRES, Université Cheikh Anta Diop, BP 5085 Dakar-Fann, Senegal;1. The University of Nottingham, University Park, Nottingham NG7 2RD, UK;2. Saint-Gobain UK & Ireland, East Leake, Leicestershire LE12 6HX, UK;3. Saint-Gobain Research Paris, 39 quai Lucien Lefranc, F-93303 Aubervilliers, France |
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| Abstract: | The apparent thermal capacitance of a building is obtained by adding the distributed specific heats of all building elements. It differs considerably from the effective thermal capacitance, which is calculated in the present study by forcing the solution of a lumped-system differential equation to follow the experimentally validated, finite-difference solution of a rigorous set of coupled differential equations describing the heat transport and energy balance in buildings. The effective thermal capacitance is calculated for various characteristic cases of Greek buildings and provides a simple procedure for approximating the transient thermal behaviour of buildings. |
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