Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/5265
Título: Comparison of contaminant removal effectiveness and air change efficiency as indicator of air diffusion quality.
Autor: Monteiro, Joaquim
Castro, Olga
Palavras-chave: Air change efficiency
Contaminant removal effectiveness
Tracer gas method
Computational fluid dynamics
Air diffusion
Data: 2014
Editora: International Society of Indoor Air Quality and Climate - ISIAQ
Resumo: The ventilation efficiency concept is an attempt to quantify a parameter that can easily distinguish the different options for air diffusion in the building spaces. Thirteen strategies of air diffusion were measured in a test chamber through the application of the tracer gas method, with the objective to validate the calculation by Computational fluid dynamics (CFD). Were compared the Air Change Efficiency (ACE) and the Contaminant Removal Effectiveness (CRE), the two indicators most internationally accepted. The main results from this work shows that the values of the numerical simulations are in good agreement with experimental measurements and also, that the solutions to be adopted for maximizing the ventilation efficiency should be the schemes that operate with low speeds of supply air and small differences between supply air temperature and the room temperature.
Peer review: yes
URI: http://hdl.handle.net/10400.22/5265
Aparece nas colecções:ISEP – CIDEM – Comunicações em eventos científicos

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