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Efficient, low-cost solar thermoelectric cogenerators comprising evacuated tubular solar collectors and thermoelectric modules
Zhang, Ming1; Miao, Lei1; Kang, Yi Pu1; Tanemura, Sakae1,2,3; Fisher, Craig A. J.2; Xu, Gang1; Li, Chun Xin4; Fan, Guang Zhu4
2013-09-01
Source PublicationAPPLIED ENERGY
Volume109Issue:SeptemberPages:51-59
Abstract

We have designed a solar thermoelectric cogenerator (STECG), which can supply electric power and heat simultaneously, by adding thermoelectric modules to the heat pipe in evacuated tubular solar collectors. A pilot experiment shows that the STECG can generate 0.19 kW h of electrical energy and about 3001 of hot water at 55 degrees C in 1 day when the figure of merit of the thermoelectric module, ZT(M), is 0.59 and solar insolation is less than 1000 W/m(2). A theoretical model for accurately predicting the thermal losses, collector efficiency and electrical efficiency of the STECG is also presented based on energy balance and heat transfer equations. For thermoelectric modules with ZT(M) = 1, when the solar insolation, wind velocity, ambient temperature and water temperature are 1000 W/m(2), 1.3 m/s, 25 degrees C and 25 degrees C, respectively, the collector efficiency, output electrical power and electrical efficiency are calculated to be 47.54%, 64.80 W and 1.59%, respectively. The results show that STECGs combining heat pipes with thermoelectric modules in evacuated tubular solar water heaters are economical and practical, making them suitable for commercial production. (c) 2013 Elsevier Ltd. All rights reserved.

SubtypeArticle
KeywordThermoelectric Conversion Evacuated Tube Heat Pipe Solar Collector Solar Cogeneration Electricity Thermal Energy
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.apenergy.2013.03.008
WOS Subject ExtendedEnergy & Fuels ; Engineering
WOS KeywordPOWER-GENERATION ; PERFORMANCE ; DESIGN ; OPTIMIZATION ; HYBRID ; HEAT ; SIMULATION ; SYSTEMS
Indexed BySCI
Language英语
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS IDWOS:000321724000006
Citation statistics
Cited Times:50[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/9155
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrates, Guangzhou 510640, Guangdong, Peoples R China
2.Japan Fine Ceram Ctr, Atsuta Ku, Nagoya, Aichi 4568587, Japan
3.Nagoya Inst Technol, Powder Technol Lab, Showa Ku, Nagoya, Aichi 4668555, Japan
4.Dexing Solar Technol Co Ltd, Guangzhou 510540, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Ming,Miao, Lei,Kang, Yi Pu,et al. Efficient, low-cost solar thermoelectric cogenerators comprising evacuated tubular solar collectors and thermoelectric modules[J]. APPLIED ENERGY,2013,109(September):51-59.
APA Zhang, Ming.,Miao, Lei.,Kang, Yi Pu.,Tanemura, Sakae.,Fisher, Craig A. J..,...&Fan, Guang Zhu.(2013).Efficient, low-cost solar thermoelectric cogenerators comprising evacuated tubular solar collectors and thermoelectric modules.APPLIED ENERGY,109(September),51-59.
MLA Zhang, Ming,et al."Efficient, low-cost solar thermoelectric cogenerators comprising evacuated tubular solar collectors and thermoelectric modules".APPLIED ENERGY 109.September(2013):51-59.
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