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Analytical and experimental study of an innovative multiple-throughout-flowing micro-channel-panels-array for a solar-powered rural house space heating system

Fan, Yi; Zhao, Xudong; Li, Guiqiang; Cheng, Yuanda; Zhou, Jinzhi; Yu, Min; Du, Zhenyu; Ji, Jie; Zhu, Zishang; Diallo, Thierno; Ma, Xiaoli

Authors

Yi Fan

Guiqiang Li

Yuanda Cheng

Jinzhi Zhou

Min Yu

Zhenyu Du

Jie Ji

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Dr Zishang Zhu Zishang.Zhu@hull.ac.uk
Lecturer in Renewable/Sustainable Energies

Thierno Diallo



Abstract

This paper presents a combined analytical and experimental study of an innovative multiple-throughout-flowing micro-channel-panels-array applicable to a solar-powered rural house space heating system. This array, compared to the traditional one-to-one-connection panels-array, can significantly reduce the temperature difference between the head and real panels and thus increase the overall solar thermal efficiency and energy efficiency ratio (EER). The research methodology covers the theoretical analysis, experimental testing, model validation and system optimization. It is found that the analytical model has a good accuracy in predicting the performance of the multiple-throughout-flow micro-channels-panels-array, giving a discrepancy of less than 10%. In terms of the configuration and sizes of the array, 10 pieces of panels with 5 flow turns is regarded as the most favorite option. During the operation, decreasing flow rate of the fluid led to the increased EER of the panels-array. By converting the one-to-one-connection mode into the multiple-throughout-flowing mode, the overall solar thermal efficiency of the panels-array increases by around 10% and its energy efficiency factor (EER) decreases by 80% respectively. The research has addressed a novel solar-panels-array that can be well applied to solar thermal systems, thus making a significant contribution to the saving of fossil fuel energy consumption and reduction of carbon emission on global scale.

Citation

Fan, Y., Zhao, X., Li, G., Cheng, Y., Zhou, J., Yu, M., …Ma, X. (2019). Analytical and experimental study of an innovative multiple-throughout-flowing micro-channel-panels-array for a solar-powered rural house space heating system. Energy, 171, 566-580. https://doi.org/10.1016/j.energy.2019.01.049

Journal Article Type Article
Acceptance Date Jan 11, 2019
Online Publication Date Jan 12, 2019
Publication Date Mar 15, 2019
Deposit Date Jan 14, 2019
Publicly Available Date Jul 13, 2020
Journal Energy
Print ISSN 0360-5442
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 171
Pages 566-580
DOI https://doi.org/10.1016/j.energy.2019.01.049
Keywords General Energy; Pollution
Public URL https://hull-repository.worktribe.com/output/1213047
Publisher URL https://www.sciencedirect.com/science/article/pii/S0360544219300507?via%3Dihub

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