Abstract

Three radiative transfer problems are solved for describing the thermal performance of parallel-plate honeycomb arrays used to construct solar-transparent insulated walls. First, solar transmittance is treated with scattering and polarization. Second, effective emittance (or passage transmittance) is derived for partially transparent wall materials. Third, the influence on the effective emittance of the re-radiated energy contributed by the absorbed solar radiation is determined. Results are calculated for thin-walled glass and mylar honeycombs. With the results, the engineer or architect can evaluate the merit of applying homeycombs to solar collectors, greenhouses, residences, and commercial buildings.

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