Abstract
Basic physical and theoretical performance characteristics of the heliostat array of a solar-thermal power system were reviewed. The total power redirected towards a central receiver was examined. The objective of this thesis was to analyze the solar flux density distribution at the surface of a central receiver. The analysis was performed upon a vertical cylindrically shaped receiver mounted on a tower located in the center of a horizontal circular ring-shaped mirror field. The angular dimensions of this field are 30/sup 0/ and 70/sup 0/. The analysis expresses the flux density in a per-unit form and, as such, the actual height of the tower need not be considered until actual power levels are desired. (WDM)

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