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Theoretical and experimental study of displacement ventilation system assisted by personalized ventilation: energy savings and thermal comfort.

Number: pap. ID: 133

Author(s) : MAKHOUL A., GHALI K., GHADDAR N.

Summary

This study emphasizes the effect of the integrated air conditioning system composed of Displacement Ventilation (DV) and Personalized Ventilation (PV) modules on the segmental and overall comfort of the human body during transient load variations and on the associated energy saving potential of the combined system. A transient DV model is coupled with a human Bioheat model to predict the temperature distribution around the human body and to assess the segmental and the induced overall thermal comfort. The results from the experiments and the simulations agreed well in predicting ambient air temperature outside the thermal plumes. The recirculated air DV system aided by the personalized ventilator is able to save 57% to 67% of energy over nineteen hours of daily operation when compared to a standalone 100% fresh air DV system while providing an acceptable comfort level.

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Pages: 8 p.

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Details

  • Original title: Theoretical and experimental study of displacement ventilation system assisted by personalized ventilation: energy savings and thermal comfort.
  • Record ID : 30001580
  • Languages: English
  • Source: Proceedings of the 23rd IIR International Congress of Refrigeration: Prague, Czech Republic, August 21-26, 2011. Overarching theme: Refrigeration for Sustainable Development.
  • Publication date: 2011/08/21

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