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Title: Experimental study of the energy and exergy performance for a pressurized volumetric solar receiver
Author: Zhu, Jianqin1; Wang, Kai2; Li, Guoqing2; Wu, Hongwei3; Jiang, Zhaowu2; Lin, Feng2; Li, Yongliang4
Source: APPLIED THERMAL ENGINEERING
Issued Date: 2016-07-05
Volume: 104, Pages:212-221
Keyword: Solar receiver ; Exergy ; Energy efficiency ; Heat transfer ; Radiation
DOI: 10.1016/j.applthermaleng.2016.05.075
DOC Type: Article
English Abstract: This article presents an experimental investigation of the heat transfer characteristics as well as energy and exergy performance for a pressurized volumetric solar receiver under variable mass flow rate conditions. During a two-hour period of continuous operation in the morning, the solar irradiance is relatively stable and maintained at approximately 600 W/m(2), which is beneficial for analyzing the energy and exergy performance of the solar receiver. Experimental results show that the mass flow rate fluctuation has insignificant effect on the solar receiver outlet temperature, whereas the mass flow rate plays an important role in the solar receiver power, energy efficiency and exergy efficiency. The efficiency of the solar receiver is normally above 55% with the highest efficiency of 87%, and under steady state operating conditions the efficiency is maintained at approximately 60%. A very low value of the heat loss factor (0.014 kW/K) could be achieved during the current steady state operating conditions. The highest exergy efficiency is approximately 36%. In addition, as the temperature difference increases, the impact of the exergy factor increases. The highest exergy factor is 0.41 during the entire test. (C) 2016 Elsevier Ltd. All rights reserved.
WOS Headings: Science & Technology ; Physical Sciences ; Technology
WOS Subject: Thermodynamics ; Energy & Fuels ; Engineering, Mechanical ; Mechanics
WOS Subject Extended: Thermodynamics ; Energy & Fuels ; Engineering ; Mechanics
WOS Keyword Plus: CAVITY RECEIVER ; NUMERICAL-SIMULATION ; THERMAL PERFORMANCE ; POROUS-MEDIUM ; HEAT-FLUX ; DESIGN ; POWER ; OPTIMIZATION ; CONVECTION ; EFFICIENCY
Indexed Type: SCI
Funder: National Natural Science Foundation of China(51206164)
Language: 英语
WOS ID: WOS:000379270400022
Citation statistics:
Content Type: 期刊论文
URI: http://ir.etp.ac.cn/handle/311046/112454
Appears in Collections:中国科学院工程热物理所(论文库)_期刊论文(SCI)

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description.institution: 1.Beihang Univ, Sch Energy & Power Engn, Natl Key Lab Sci & Technol AeroEngines, Beijing 100191, Peoples R China
2.Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China
3.Northumbria Univ, Fac Engn & Environm, Dept Mech & Construct Engn, Newcastle Upon Tyne NE1 8ST, Tyne & Wear, England
4.Univ Birmingham, Sch Chem Engn, Birmingham B15 2TT, W Midlands, England
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