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Effects of environmental factors on the conversion efficiency of solar thermoelectric co-generators comprising parabola trough collectors and thermoelectric modules without evacuated tubular collector
Li, Chao1,2; Zhang, Ming3; Miao, Lei1; Zhou, Jianhua1; Kang, Yi Pu4; Fisher, C. A. J.5; Ohno, Kaoru3; Shen, Yang6; Lin, Hong6
2014-10-01
发表期刊ENERGY CONVERSION AND MANAGEMENT
卷号86页码:944-951
摘要Solar thermoelectric co-generators (STECGs) are an attractive means of supplying electric power and heat simultaneously and economically. Here we examine the effects of environmental factors on the conversion efficiencies of a new type of STECG comprising parabolic trough concentrators and thermoelectric modules (TEMs). Each TEM array was bonded with a solar selective absorber plate and directly positioned on the focal axis of the parabolic concentrator. Glass tubular collectors were not used to encase the TEMs. Although this makes the overall system simpler, the environmental effects become significant. Simulations show that the performance of such a system strongly depends on ambient conditions such as solar insolation, atmospheric temperature and wind velocity. As each of these factors increases, the thermal losses of the STECG system also increase, resulting in reduced solar conversion efficiency, despite the increased radiation absorption. However, the impact of these factors is relatively complicated. Although the electrical efficiency of the system increases with increasing solar insolation, it decreases with increasing ambient temperature and wind velocity. These results serve as a useful guide to the selection and installation of STECGs, particularly in Guangzhou or similar climate region. (C) 2014 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Solar Thermoelectric Conversion Parabolic Trough Concentrator Environmental Factors Solar Insolation Thermal Power Generation Co-generator System
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.enconman.2014.06.010
研究领域[WOS]Thermodynamics ; Energy & Fuels ; Mechanics ; Physics
关键词[WOS]DESIGN ; SYSTEM ; HEAT
收录类别SCI
语种英语
WOS类目Thermodynamics ; Energy & Fuels ; Mechanics ; Physics, Nuclear
WOS记录号WOS:000340976900093
引用统计
被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10638
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Yokohama Natl Univ, Grad Sch Engn, Dept Phys, Yokohama, Kanagawa 2408501, Japan
4.Nagoya Inst Technol, Grad Sch Engn, Dept Frontier Mat, Showa Ku, Nagoya, Aichi 4668555, Japan
5.Japan Fine Ceram Ctr, Atsuta Ku, Nagoya, Aichi 4568587, Japan
6.Tsinghua Univ, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
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Li, Chao,Zhang, Ming,Miao, Lei,et al. Effects of environmental factors on the conversion efficiency of solar thermoelectric co-generators comprising parabola trough collectors and thermoelectric modules without evacuated tubular collector[J]. ENERGY CONVERSION AND MANAGEMENT,2014,86:944-951.
APA Li, Chao.,Zhang, Ming.,Miao, Lei.,Zhou, Jianhua.,Kang, Yi Pu.,...&Lin, Hong.(2014).Effects of environmental factors on the conversion efficiency of solar thermoelectric co-generators comprising parabola trough collectors and thermoelectric modules without evacuated tubular collector.ENERGY CONVERSION AND MANAGEMENT,86,944-951.
MLA Li, Chao,et al."Effects of environmental factors on the conversion efficiency of solar thermoelectric co-generators comprising parabola trough collectors and thermoelectric modules without evacuated tubular collector".ENERGY CONVERSION AND MANAGEMENT 86(2014):944-951.
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