Abstract
A type of passive solar energy utilization technology, the wall implanted with heat pipes, with a double vacuum glass panel be set to isolate the condenser section from the outdoor environment, is studied theoretically in this paper, to improve the utilization of solar energy on building walls with external thermal insulation in winter in northern China. A two-dimensional transient heat-transfer model is developed to analyse this instruction and then it is solved by using finite difference method (FDM). Numerical calculation on this construction indicates that, the temperature of the inner surface increases by 12.4 degrees with the glass panel in typical climate of Beijing, more than the figure that is 5.8 degrees at most without the structure. It can improve the indoor thermal environment effectively.
Published Version
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