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Heat removal factor for a flat-plate solar collector with a serpentine tube

Tipo de material: TextoTextoSeries ; Solar Energy, 18(1), p.59-64, 1976Trabajos contenidos:
  • Abdel-Khalik, S. I
Recursos en línea: Resumen: The performance of a flat-plate solar collector is investigated. The collector is of the sheet-and tube design and the tube is bonded to the absorbing plate in a serpentine fashion. Equations describing the variation of the fluid temperature in the different segments of the serpentine are derived. These equations are then used to determine the heat removal factor FR for the collector. It is shown that for the general case of an N-bend serpentine, the heat removal factor depends on three non-dimensional groups containing the different operational and design variables of the collector. A generalized chart for estimating FR for collectors with serpentines of arbitrary geometry and number of bends is presented.
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The performance of a flat-plate solar collector is investigated. The collector is of the sheet-and tube design and the tube is bonded to the absorbing plate in a serpentine fashion. Equations describing the variation of the fluid temperature in the different segments of the serpentine are derived. These equations are then used to determine the heat removal factor FR for the collector. It is shown that for the general case of an N-bend serpentine, the heat removal factor depends on three non-dimensional groups containing the different operational and design variables of the collector. A generalized chart for estimating FR for collectors with serpentines of arbitrary geometry and number of bends is presented.

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