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GIANFRANCO RIZZO

The calculation of the mean radiant temperature of a subject exposed to the solar radiation – A generalised algorithm

  • Autori: LA GENNUSA, M.; Nucara, A.; Rizzo, G.; Scaccianoce, G.
  • Anno di pubblicazione: 2005
  • Tipologia: Articolo in rivista (Articolo in rivista)

Abstract

The thermal sensation experienced by a subject in a confined environment is significantly affected by the radiative heat exchange between the human body and the surrounding surfaces: it contributes as far as 30% of the whole thermal exchanges of the subject. Besides, the presence of high-intensity radiation sources like, for example, the sun, may appreciably modify the radiant field to which people are exposed. As a consequence, this could alter notably the comfort conditions. In order of properly taking into account this issue, a simple analytical method is introduced in this work, that allows the easy evaluation of the thermal radiant field induced by the presence of the solar radiation. An application to a typical thermal comfort computation is finally presented.

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