Experimental investigations on solar chimney for optimal heat collection to be utilized in organic Rankine cycle

Duen-Sheng Lee, Tzu-Chen Hung, Jaw-Ren Lin and Jun Zhao

Applied Energy, 2015, vol. 154, issue C, 662 pages

Abstract: The primary objective of this study was to propose an innovative approach for collecting the solar thermal energy from the concept of solar chimneys for electricity generation via organic Rankine cycles (ORCs). The influences of several critical parameters on the thermal performance and outlet temperature of solar chimneys were investigated. The parameters measured from the experiment were substantially reduced using Taguchi method. In addition, the optimal configurations of the solar chimney was identified, which are high-transmissivity glass, rectangular-tubes absorber plate, tilt angle of 45°, black polished surface, and airflow length of 4m. The experimental results showed that the highest outlet temperature of air and heat collecting efficiency of solar chimneys were approximately 125°C and 65%, respectively.

Keywords: Solar chimney; Organic Rankine cycle (ORC); Taguchi method; Waste heat recovery (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (22)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:154:y:2015:i:c:p:651-662

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DOI: 10.1016/j.apenergy.2015.05.079

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