Sensitivity analysis and application guides for integrated building energy and CFD simulation |
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| Affiliation: | 1. Department of Civil, Environmental, and Architectural Engineering, University of Colorado at Boulder, UCB 428, ECOT 441 Boulder, CO 80309-0428, USA;2. School of Mechanical Engineering, Purdue University, 585 Purdue Mall, West Lafayette, IN 47907-2088, USA;1. Informatics Research Unit for Sustainable Engineering (IRUSE), Galway, Ireland;2. Department of Civil Engineering, National University of Ireland Galway, Galway, Ireland;3. Ryan Institute, National University of Ireland Galway, Galway, Ireland;1. Department of Civil Engineering, NUI Galway, Ireland;2. Informatics Research Unit for Sustainable Engineering (IRUSE), NUI Galway, Ireland;3. Centre for the Built Environment (CBE), University of California, Berkeley, United States;1. Institute of Thermal Engineering, Graz University of Technology, Inffeldgasse 25/B, A-8010 Graz, Austria;2. HANS HÖLLWART – Forschungszentrum für integrales Bauwesen AG, Innovationspark 1, A-8152 Stallhofen, Austria;1. GREA Innovació Concurrent, Universitat de Lleida, Pere de Cabrera s/n, 25001 Lleida, Spain;2. Departament d’Enginyeria Mecànica, Universitat Rovira i Virgili, Av. Països Catalans 26, 43007 Tarragona, Spain;3. Center for Advanced Study of Lithium and Industrial Minerals (CELiMIN), University of Antofagasta, Av. Universidad de Antofagasta 02800, Campus Coloso, Antofagasta, Chile;4. Solar Energy Research Center (SERC), Av. Tupper 2007, 4th Floor, Santiago, Chile |
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| Abstract: | Building energy simulation (ES) and computational fluid dynamics (CFD) programs provide complementary information essential to evaluating building thermal performance. Integration of the two programs eliminates many model assumptions in separate applications and thus improves the quality of simulation results. This paper discusses the potential building and environmental characteristics that may affect the necessity and effectiveness of applying an ES–CFD coupling simulation. These characteristics and the solution accuracy requirement determine whether a coupled simulation is needed for a specific building and which coupling method can provide the best solution with the compromise of both accuracy and efficiency. The study conducts a sensitivity analysis of the coupling simulation to the potential influential factors, based on which general suggestions on appropriate usage of the coupling simulation are provided. |
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