Toward better estimation of HVAC loads : integrating a detailed human thermal model into building simulation

Rida, Mohamad and Kelly, Nicolas (2017) Toward better estimation of HVAC loads : integrating a detailed human thermal model into building simulation. Energy Procedia, 122. pp. 1147-1152. ISSN 1876-6102

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    Abstract

    The transient nature of the occupant heat load is not fully addressed and implemented in a building simulation tool. In this paper, the effect of using dynamic occupant heat loads in building simulation on energy building performance and occupant thermal comfort has been studied. A two-node thermoregulatory model was integrated into ESP-r. The predictions of the integrated two-node model were compared to two commonly used approaches in building simulation: gains modelled as a basic fixed profile and gains modelled using a polynomial function of temperature and relative humidity. The variation in occupant thermal load demonstrated appreciable differences on both cooling and dehumidification loads.