Experiment and Numerical Analysis of Thermal Performance of a Billboard External Receiver

Jiabin Fang, Mumtaz A. Qaisrani, Nan Tu, Jinjia Wei, Zhenjie Wan, Yabin Jin, Muhammad Khalid and Naveed Ahmed
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Jiabin Fang: School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an 710049, China
Mumtaz A. Qaisrani: Department of Mechanical Engineering, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan 64200, Pakistan
Nan Tu: School of Mechanical and Electrical Engineering, Xi’an Polytechnic University, Xi’an 710048, China
Jinjia Wei: School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an 710049, China
Zhenjie Wan: School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an 710049, China
Yabin Jin: School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an 710049, China
Muhammad Khalid: School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an 710049, China
Naveed Ahmed: U.S.-Pakistan Center for Advanced Studies in Energy, National University of Science and Technology, Islamabad 44000, Pakistan

Energies, 2022, vol. 15, issue 6, 1-15

Abstract: The receiver serves as a critical component in tower-type concentrated solar power plants. Responsible for light-heat conversion, the efficiency of the receiver significantly affects the overall performance of the power plant. In the current study, the thermal performance of external receivers was investigated. An experiment was set up similarly using the solar simulator to experimentally investigate the heat losses of a billboard receiver. A billboard-type external receiver was designed, fabricated, and experimented with. A solar simulator having seven xenon lamps characteristics similar to the sunlight spectrum was used to obtain heat flux at the surface of the receiver. Convection losses in the head-on wind direction were evaluated, along with the radiation losses. The thermal efficiency of the billboard receiver calculated experimentally was around 83.9%. Numerical simulations were also carried out to compare the results against the experimental data. A variation of ±5% observed between both results validate the model proposed in the current study.

Keywords: solar power; external receiver; heat losses; thermal efficiency (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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