Alternative study of heat transfer on radiant ceiling systems oriented to commissioning process in real buildings

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Authors

Fonseca, Nestor
Cuevas, Cristian

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HEFAT

Abstract

A brief general description of radiant ceiling systems and a detailed analysis of heat transfer are developed, covering such topics as materials and working principle. The most studied and documented heat flow patterns are based on natural convection and simplified radiation exchange between two surfaces. However the convective heat exchange on a radiant ceiling surface becomes a complex process, considering specially the combined effect of ceiling perforation, ventilation, fenestration systems and multiple surfaces radiation. There are too many configurations and possible combinations of these elements in the modern buildings that do not allow to completely describe the phenomenon with a correlative method. In this study the analysis of ceiling convection and radiation on the systems is performed in order to allow its use in commissioning process in real buildings.

Description

Papers presented to the 12th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Costa de Sol, Spain on 11-13 July 2016.

Keywords

Heat transfer, Radiant ceiling systems, Real buildings

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