Study on heat transfer characteristics of parabolic trough collector enhanced by vortex generator

Yuhan Zhao; Hailin Zhang; Yinxiao Zhan

doi:10.1117/12.3015205

6 February 2024 Study on heat transfer characteristics of parabolic trough collector enhanced by vortex generator

Yuhan Zhao, Hailin Zhang, Yinxiao Zhan

Proceedings Volume 12979, Ninth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023); 129793I (2024) https://doi.org/10.1117/12.3015205
Event: 9th International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023), 2023, Guilin, China

Abstract

Parabolic trough collector is a widely used solar collector. The flow field and heat transfer characteristics of the perforated vortex generator with periodically staggered arrangement in the rectangular absorber are simulated for Re=10000~50000. TiO2-Cu / water nanofluid is used as the heat transfer fluid. The effects of blocking ratio (h ⁄ =0.7) and perforation diameter 𝑑 on the heat transfer and flow resistance in the channel are analyzed. The results show that the perforated baffle with h ⁄ =0.7, d=2.5 has the best comprehensive performance of heat transfer in the channel for all selected Re.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yuhan Zhao, Hailin Zhang, and Yinxiao Zhan "Study on heat transfer characteristics of parabolic trough collector enhanced by vortex generator", Proc. SPIE 12979, Ninth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023), 129793I (6 February 2024); https://doi.org/10.1117/12.3015205

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