A Study of the Influence of Furniture on the Thermal Behaviour of Interior Thermal Mass

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Abstract
Present day thermal behaviour models assume direct solar energy entering a room through windows to be evenly distributed over room surfaces, but in reality the distribution depends on window positions and interior furniture. This paper describes a study of the shading effects of furniture on the thermal behaviour of interior thermal mass. A computer program which tracks sunlit patches and shaded areas in a rectangular room with furniture was developed. For every hour, the amount of direct solar heat received by room surfaces can be determined. An example of the effect of furniture shadows on energy distribution on interior room surfaces is presented. At this stage, it appears that the furniture could have a significant influence on the distribution of energy received by room surfaces.

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