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

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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.

Original languageEnglish
Pages (from-to)1147-1152
Number of pages6
JournalEnergy Procedia
Volume122
Early online date11 Sep 2017
DOIs
Publication statusPublished - 30 Sep 2017

Keywords

  • building simulation
  • dynamic occupant heat loads
  • human thermal comfort
  • occupant thermoregulation

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