NUMERICAL STUDY OF HEAT TRANSFER IN A HYDRONIC RADIANT CEILING PANEL.
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The heat diffusion equation was used to model numerically a radiant-ceiling panel for both steady-state and transient heat transfer. Several different numerical solution schemes were investigated, and significant insights into the advantages and disadvantages of each scheme were obtained by comparing the results. The explicit method was found to be the most effective method for solving both the unsteady-state heat diffusion equation and the steady-state Laplace equation. The heat transfer characteristics of the heating panel as predicted by the transient numerical model are also discussed herein. Several design considerations are investigated using the numerical model, including tube spacing, plaster thickness, and convection heat transfer rate.
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