In this research, a distributed multi-generation system combining photovoltaic-thermal collectors with biomass generating units is established in a numerical simulation environment. This system aims to fulfilling heating demand of single-storey cottage located in Xi'an, Northwest China. The feasibility of this system and stepped utilization of different levels of energy are validated and illustrated. In order to achieve reachable maximum efficiency, key parameters of the system, such as collector area, thermal storage capacity, and set heating temperature among other parameters, are combined in a multitude of different ways, and a set of optimal parameters are obtained. After running the model, throughout the heating season, the results show that solar energy contributes 1698 kWh accounting for nearly 60% of the total energy input, while biomass accounts for 40% with 852.95 kWh, which directly determines the stability of the system energy supply. Once-daily maximum electricity buffer generated by the biomass generator holds at 21.67 kWh, the system is able to meet most of the heating load scenarios in Xi'an, China, without auxiliary energy input, as well as achieves the carbon neutrality goal.
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Modeling and assessment of a novel solar-biomass based distributed multi-generation system
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Research Article|
May 31 2022
Modeling and assessment of a novel solar-biomass based distributed multi-generation system
Lei Xu;
Lei Xu
a)
1
Department of Energy and Electrical Engineering, Northwest A&F University
, Yangling, Shaanxi 712100, China
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Gaoyang Hou
;
Gaoyang Hou
b)
1
Department of Energy and Electrical Engineering, Northwest A&F University
, Yangling, Shaanxi 712100, China
b)Author to whom correspondence should be addressed: gyhou415@nwafu.edu.cn
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Hessam Taherian
;
Hessam Taherian
a)
2
School of Science, Engineering, and Technology, Pennsylvania State University
, Harrisburg, Pennsylvania 17057, USA
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Ying Song;
Ying Song
a)
1
Department of Energy and Electrical Engineering, Northwest A&F University
, Yangling, Shaanxi 712100, China
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YuChuan Wang;
YuChuan Wang
a)
1
Department of Energy and Electrical Engineering, Northwest A&F University
, Yangling, Shaanxi 712100, China
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Lee Moradi
Lee Moradi
a)
3
School of Engineering, University of Alabama at Birmingham
, Birmingham, Alabama 35205, USA
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a)
Electronic addresses: thanksy1@nwafu.edu.cn; hbt5123@psu.edu; ysong0321@nwafu.edu.cn; wyc@nwafu.edu.cn; and moradi@uab.edu
b)Author to whom correspondence should be addressed: gyhou415@nwafu.edu.cn
J. Renewable Sustainable Energy 14, 036301 (2022)
Article history
Received:
January 14 2022
Accepted:
April 16 2022
Citation
Lei Xu, Gaoyang Hou, Hessam Taherian, Ying Song, YuChuan Wang, Lee Moradi; Modeling and assessment of a novel solar-biomass based distributed multi-generation system. J. Renewable Sustainable Energy 1 May 2022; 14 (3): 036301. https://doi.org/10.1063/5.0085305
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