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Title: Experimental study on a coiled tube solar receiver under variable solar radiation condition
Author: Wang, K.1; Wu, H.2; Wang, D.1; Wang, Y.1; Tong, Z.1; Lin, F.1; Olabi, A. G.3
Source: SOLAR ENERGY
Issued Date: 2015-12-01
Volume: 122, Pages:1080-1090
Keyword: Solar receiver ; Exergy ; Energy efficiency ; Heat transfer ; Radiation
DOI: 10.1016/j.solener.2015.10.004
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 coil type solar dish receiver under variable solar radiation conditions. During a 4.5 h period of continuous operation in the morning, the solar irradiance fluctuates in the range between 160 W/m(2) and 650 W/m(2), and the concentrated solar flux is approximately 1000 kW/m(2) at aperture. Experimental results show that: (1) the efficiency of the solar receiver is found to be over 58% and the highest efficiency can be reached to 64%. Generally, the efficiency is maintained at around 60% under steady state condition. (2) A very low value of the heat loss factor (0.035 kW/K) could be achieved during steady state operation. (3) The highest value of the exergy rate is approximately 7.3 kW, whereas the maximum energy rate can reach 16.2 kW. (4) The highest exergy efficiency is approximately 23%, whereas the highest energy efficiency is around 64%. (C) 2015 Elsevier Ltd. All rights reserved.
WOS Headings: Science & Technology ; Technology
WOS Subject: Energy & Fuels
WOS Subject Extended: Energy & Fuels
WOS Keyword Plus: DISH-BRAYTON SYSTEM ; CAVITY RECEIVER ; PERFORMANCE ANALYSIS ; EXERGY PERFORMANCE ; HEAT-FLUX ; OPTIMIZATION ; DESIGN ; ENERGY ; POWER
Indexed Type: SCI
Funder: National Natural Science Foundation of China(51206164)
Language: 英语
WOS ID: WOS:000367107500095
Citation statistics:
Content Type: 期刊论文
URI: http://ir.etp.ac.cn/handle/311046/112320
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.Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China
2.Northumbria Univ, Fac Engn & Environm, Dept Mech & Construct Engn, Newcastle Upon Tyne NE1 8ST, Tyne & Wear, England
3.Univ West Scotland, Sch Engn & Comp, Inst Engn & Energy Technol, Paisley PA1 2BE, Renfrew, Scotland
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