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DOI	10.1016/j.jclepro.2021.126553
	A novel 24-h day-night operational solar thermoelectric generator using phase change materials
	Montero, Francisco J.; Lamba, Ravita; Ortega, Alfonso; Jahn, Wolfram; Guzman, Amador M.
通讯作者	Montero, FJ (corresponding author), Pontificia Univ Catolica Chile, Sch Engn, Dept Mech & Met Engn, Vicuna Mackenna, Santiago 4860, Chile. ; Lamba, R (corresponding author), Malaviya Natl Inst Technol Jaipur, Dept Elect Engn, JLN Marg, Jaipur 302017, Rajasthan, India.
来源期刊	JOURNAL OF CLEANER PRODUCTION
ISSN	0959-6526
EISSN	1879-1786
出版年	2021
卷号	296
英文摘要	To improve the energy matrix using solar energy, the intermittency and variation of the solar resource must be resolved for effective implementation of solar operated electricity generation systems. Solar thermoelectric generators (STEG) can be used for electricity generation in non-grid and grid connected applications. However, to use the STEG systems extensively, the limitations of lower conversion efficiency of around 7%, effective passive thermal management of the thermoelectric generator (TEG) and storage of residual heat of the thermoelectric generator need to be solved. In this study, a conceptual theoretical model of latent heat storage and cooling system (LHSCS) is proposed for the effective thermal management and enhanced electricity generation from the solar thermoelectric generator. The numerical model of the proposed system has been developed in COMSOL Multiphysics software for the climatic conditions of the Atacama Desert, Chile. The effect of phase change material (PCM) volume, heat sink and container geometry on the performance of the system has been studied. It is found that the desert locations are the best geographical locations for operating the solar thermoelectric generator coupled latent heat storage and cooling system due to higher solar radiation resource and favorable environmental conditions. The results showed that with 6 kg of phase change material, a temperature difference of 120 degrees C has been achieved between the hot and cold sides of the thermoelectric generator without using an active cooling system and the stored residual heat in phase change material generated 0.6% more electricity during the off-sunshine hours. Further, it has been found that the natural convection has a relevant impact on the melting of the phase change material and must be considered in the designing of a latent heat container. This proposed numerical model can be used to demonstrate the solar thermoelectric generator coupled latent heat storage and cooling system for any geographical location. (c) 2021 Elsevier Ltd. All rights reserved. Superscript/Subscript Available
英文关键词	Solar thermoelectric generator Phase change material Thermal management Desert locations Latent heat
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000672225100015
WOS关键词	SIMULATION ; CONVECTION ; SYSTEM ; TEG
WOS类目	Green & Sustainable Science & Technology ; Engineering, Environmental ; Environmental Sciences
WOS研究方向	Science & Technology - Other Topics ; Engineering ; Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/363809
作者单位	[Montero, Francisco J.; Jahn, Wolfram] Pontificia Univ Catolica Chile, Sch Engn, Dept Mech & Met Engn, Vicuna Mackenna, Santiago 4860, Chile; [Montero, Francisco J.; Guzman, Amador M.] Solar & Thermal Energy Convers & Storage Device &, Santiago, Chile; [Lamba, Ravita] Malaviya Natl Inst Technol Jaipur, Dept Elect Engn, JLN Marg, Jaipur 302017, Rajasthan, India; [Ortega, Alfonso] Villanova Univ, Dept Mech Engn, Lab Adv Thermal & Fluid Syst, Villanova, PA 19085 USA; [Guzman, Amador M.] Univ Diego Portales, Dept Ingn Ind, Vergara 210, Santiago, Chile
推荐引用方式 GB/T 7714	Montero, Francisco J.,Lamba, Ravita,Ortega, Alfonso,et al. A novel 24-h day-night operational solar thermoelectric generator using phase change materials[J],2021,296.
APA	Montero, Francisco J.,Lamba, Ravita,Ortega, Alfonso,Jahn, Wolfram,&Guzman, Amador M..(2021).A novel 24-h day-night operational solar thermoelectric generator using phase change materials.JOURNAL OF CLEANER PRODUCTION,296.
MLA	Montero, Francisco J.,et al."A novel 24-h day-night operational solar thermoelectric generator using phase change materials".JOURNAL OF CLEANER PRODUCTION 296(2021).