PERFORMANCE MODELING OF NON-METALLIC FLAT PLATE SOLAR COLLECTORS
1984
Abstract This paper extends the current techniques used in the prediction of flat plate solar collector performance for use in the analysis of non-metallic collectors. An analytical model was developed to study the characteristics of these solar collctors which eliminate the need for metals, glass, and special coatings. Using this model, plate efficiency factors are presented for various common non-metallic absorber plate configurations. A parametric study was conducted with emphasis placed on collector plate thermal conductivity and partial transmittance of glazings to long-wave radiation. From the results of this study, it was shown that it is possible to meet or exceed performance levels of conventional metal tube and fin collectors through the use of non-metallic collectors in the low- to medium-temperature range.
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