Performance evaluation of conventional and sloped solar chimney power plants in different climates of Iran

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Abstract

According to the ever-increasing need for low-cost and unlimited energy sources, renewable energies have been taken into consideration. Solar energy is one of the main sources of renewable energies. In this article, with the use of solar energy, conventional and sloped solar chimney power plant performance in different climates of Iran has been examined. To do this, the appropriate mathematical models for the radiation of the Sun, solar collector and chimney are used. For a better analysis, three types of horizontal collectors and 30 ° and 60 ° sloped ones are considered and their received radiation and electric power outputs are compared together. The results show that the horizontal collectors produce more power in the summer, while in the winter, power output increases with an increase in collector slope. Also, 300 sloped collectors get the most Sun's radiation, while 60° sloped ones produce maximum electrical power. Finely, among the considered cities, Yazd has the best performance.

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