Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.9/2361
Título: Passive cooling load ratio method
Autor: Nunes, Ana I. F.
Panão, Marta Oliveira
Palavras-chave: Passive Cooling
Solar Chimney
Cooling Energy
Simplified Method
Data: 2013
Editora: Elsevier
Citação: Nunes, Ana I.F.; Panão, Marta J.N. Oliveira. Passive cooling load ratio method. In: Energy and Buildings, 2013, Vol. 64, p. 209-217
Resumo: The method Passive Cooling Load Ratio (PCLR) is an innovative simplified method which calculates the monthly cooling energy needs of a thermal zone where passive cooling systems are installed using the variables: cooling energy load and passive cooling potential. This new method is based on the Solar Load Ratio (SLR) that was previously developed for solar heating systems. Although, PCLR was theoretically developed for any passive cooling system, here it is applied to passive cooling based on ventilation strategies. In addition, this paper presents its application to an office room ventilation using: i) forced cooled air from an earth-to-air heat exchanger (EAHE) and ii) natural induced air by a solar chimney from the EAHE. Correlations were obtained for those systems, using the parameters that describe the local climate, the system type and its dimensions. The numerical model used to obtain the correlation functions when one of the systems is installed, associates previously developed numerical models with 5R1C model of ISO 13790. However, the PCLR method can be used to accurately estimate the cooling energy needs without using complex models for simulation. The error for all systems does not overcomes 5.2%, which is an acceptable variation for a simplifed method.
URI: http://hdl.handle.net/10400.9/2361
ISSN: 0378-7788
Versão do Editor: http://dx.doi.org/10.1016/j.enbuild.2013.05.024
Aparece nas colecções:UEE - Artigos em revistas internacionais

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