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A simplified method for direct calculation of the annual load fraction of solar systems for space heating

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  • Hawas, M.M.
  • Abou-Zeid, M.R.

Abstract

Availability of data about long-term system performance is a first step towards economic analysis and optimization of solar systems. The use of detailed computer simulation techniques or even design methods such as the f-chart for evaluating system performance may be cumbersome for engineers and architects. In this paper, we present a simplified method to predict the annual system performance. The method allows direct calculation of the annual solar load fraction, for a specific location, as a function of collector area and design parameters. This method is based on a correlation of data generated by using the f-chart method. Because of its simplicity and excellent agreement with f-chart calculations, the present method should be a useful design aid for sizing and selecting solar systems for space heating.

Suggested Citation

  • Hawas, M.M. & Abou-Zeid, M.R., 1981. "A simplified method for direct calculation of the annual load fraction of solar systems for space heating," Energy, Elsevier, vol. 6(9), pages 933-943.
    • Handle: RePEc:eee:energy:v:6:y:1981:i:9:p:933-943
    DOI: 10.1016/0360-5442(81)90065-7
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