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Numerical modelling of heat transfer by radiation and convection in an atrium with thermal inertia.

Author(s) : MOSER A., OFF F., SCHAELIN A., YUAN X.

Summary

The thermal comfort and buoyancy-induced motion of air in a room are determined by the interaction of different types of heat transfer and of thermal storage in building components. Heat transfer includes energy transport by radiation, convection and conduction. The driving forces of buoyancy of air become more pronounced for large spaces. Modelling of these interactions becomes more crucial in the design of large enclosures. In atria, in particular, solar and infrared radiation are important because of large-area glazing. Numerical methods for the direct coupling of computational fluid dynamics with thermal dynamics and radiation are proposed and demonstrated at a case study building of IEA Annex 26.

Details

  • Original title: Numerical modelling of heat transfer by radiation and convection in an atrium with thermal inertia.
  • Record ID : 1997-1031
  • Languages: English
  • Source: ASHRAE Transactions.
  • Publication date: 1995/06/24
  • Document available for consultation in the library of the IIR headquarters only.

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