Abstract

A comprehensive fluid dynamics and heat transfer model to analyze the performance of a solar chimney power plant system (SCPPS) was presented. The relative static pressure was derived, which is capable of giving detailed descriptions of the driving force, maximum system power output and efficiency. Using the solar chimney prototype built in Manzanares, Spain, as a practical example, the numerical results of system relative static pressure was compared with the observation. Numerical studies are performed to explore the geometric modifications on the system performance. The results indicated that solar radiation and geometric parameters, such as the collector radius, the chimney height, and chimney radius, have significant effect on the relative static pressure, driving force, maximum power output, and system efficiency. The results of this study are helpful to the design of the SCPPS.

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