One Convenient Method to Calculate Performance and Optimize Configuration for Annular Radiator Using Heat Transfer Unit Simulation

Zhe Xu, Yingqing Guo, Huarui Yang, Haotian Mao, Zongling Yu and Rui Li
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Zhe Xu: School of Power and Energy, Northwestern Polytechnical University, Xi’an 710129, China
Yingqing Guo: School of Power and Energy, Northwestern Polytechnical University, Xi’an 710129, China
Huarui Yang: Xinxiang Aviation Industry (Group) Co., LTD., AVIC, Xinxiang 453049, China
Haotian Mao: School of Power and Energy, Northwestern Polytechnical University, Xi’an 710129, China
Zongling Yu: Xinxiang Aviation Industry (Group) Co., LTD., AVIC, Xinxiang 453049, China
Rui Li: Xinxiang Aviation Industry (Group) Co., LTD., AVIC, Xinxiang 453049, China

Energies, 2020, vol. 13, issue 1, 1-19

Abstract: In order to calculate heat transfer capacity and air-side pressure drop of an annular radiator (AR), one performance calculation method was proposed combining heat transfer unit (HTU) simulation and plate-and-fin heat exchanger (PFHX) performance calculation formulas. This method can obtain performance data with no need for meshing AR as a whole, which can be convenient and time-saving, as grid number is reduced in this way. It demonstrates the feasibility of this performance calculation method for engineering applications. In addition, based on the performance calculation method, one configuration optimization method for AR using nondominated sorted genetic algorithm-II (NSGA-II) was also proposed. Fin height (FH) and number of fins in circumferential direction (NFCD) were optimized to maximize heat transfer capacity and minimize air-side pressure drop. Three optimal configurations were obtained from the Pareto optimal points. The heat transfer capacity of the optimal configurations increased by 22.65% on average compared with the original configuration, while the air-side pressure drop decreased by 33.99% on average. It indicates that this configuration optimization method is valid and can provide a significant guidance for AR design.

Keywords: annular radiator; performance calculation; configuration optimization; heat transfer unit; plate-and-fin heat exchanger; nondominated sorted genetic algorithm-II (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: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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