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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
Source PublicationENERGY CONVERSION AND MANAGEMENT
Volume86Pages:944-951
AbstractSolar 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.
SubtypeArticle
KeywordSolar Thermoelectric Conversion Parabolic Trough Concentrator Environmental Factors Solar Insolation Thermal Power Generation Co-generator System
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.enconman.2014.06.010
WOS Subject ExtendedThermodynamics ; Energy & Fuels ; Mechanics ; Physics
WOS KeywordDESIGN ; SYSTEM ; HEAT
Indexed BySCI
Language英语
WOS SubjectThermodynamics ; Energy & Fuels ; Mechanics ; Physics, Nuclear
WOS IDWOS:000340976900093
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10638
Collection中国科学院广州能源研究所
Affiliation1.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
Recommended Citation
GB/T 7714
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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