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USING A ZONAL MODEL TO ASSESS THE EFFECT OF A HEATED FLOOR ON THERMAL COMFORT QUALITY

DOI: 10.1615/ICHMT.2009.CONV.1210
9 pages

Yosr Boukhris
Laboratoire EBSS Ecole Nationale d’Ingénieurs de Tunis, PB37, 1002 Tunis Belvédère, Tunisie

Leila Gharbi
Laboratoire EBSS Ecole Nationale d’Ingénieurs de Tunis, PB37, 1002 Tunis Belvédère, Tunisie

Nadia Ghrab-Morcos
Laboratoire EBSS Ecole Nationale d’Ingénieurs de Tunis, PB37, 1002 Tunis Belvédère, Tunisie

Résumé

People’s perceptions of indoor air quality and thermal comfort are affected by air speed and temperature. We have extended the three-dimensional zonal model, ZAER, to be able to predict the temperature fields and the air distributions between and within rooms in the case of natural convection. This paper presents an application of the new zonal model dealing with the influence of a heated floor of one room upon the winter thermal comfort of an unconditioned Tunisian dwelling. Coupling ZAER with a thermal comfort model allows the assessment of the thermal quality of the dwelling through the prediction of a comfort indicator. The obtained results show that a heated floor can be a useful component to improve thermal comfort in the Tunisian context, even in another room.

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