Experimental and 3D numerical analysis of the impact of a tower shape on the performances of a solar chimney power plant (original) (raw)

Environmental Progress & Sustainable Energy

Abstract

This article presents both numerical and experimental analyses investigating the impact of tower shape on the performance of a solar chimney power plant (SCPP). The study explores several cases through experiments and computational fluid dynamics (CFD) modeling. Specifically, variations in the tower's outlet section and overall shape were examined under different solar radiation conditions. The shape of the tower was found to have a significant influence on various performance parameters of the studied SCPP. These include the mass flow rate, velocity, temperature rise in the collector, pressure in the tower, as well as power production, and overall efficiency. The obtained results indicate that when the tower's outlet section is twice the size of the inlet section, all of these parameters experience substantial improvements. For a configuration similar to that of the Manzanares prototype, the generated power increased from 50 to 56 kW, representing an enhancement of about 12...

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