A new rotatable-axis tracking solar parabolic-trough collector for solar-hybrid coal-fired power plants

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	A new rotatable-axis tracking solar parabolic-trough collector for solar-hybrid coal-fired power plants
	Peng, Shuo 1,2; Hong, Hui 1; Jin, Hongguang 1; Zhang, Zhineng 3
刊名	SOLAR ENERGY
	2013-12-01
卷号	98 页码:492-502
关键词	Solar-hybrid coal-fired power plant Rotatable-axis tracking Cosine loss
英文摘要	A solar-hybrid coal-fired power plant can use solar heat at <300 degrees C to replace steam extracted from a turbine to heat feed water. Through this process, the steam to be extracted can efficiently expand in the steam turbine to generate electricity. The advantages of a solar-hybrid coal-fired power plant in terms of design have been discussed by many researchers. However, solar-field performance under varied solar irradiation intensities has not yet been elucidated. In this study, a rotatable-axis tracking parabolic-trough collector was proposed by utilizing a partial rotatable device to drive the parabolic-trough collector. Energy losses (including cosine, end, and lateral shading losses) on four typical days were evaluated and compared with single-axis tracking method. The importance of improving the solar-field efficiency of rotatable-axis tracking system was discussed. Consequently, the solar-field area of a solar-hybrid coal-fired power plant would decreased by 4% if the rotatable-axis tracking system was utilized. (C) 2013 Elsevier Ltd. All rights reserved.
WOS标题词	Science & Technology ; Technology
类目[WOS]	Energy & Fuels
研究领域[WOS]	Energy & Fuels
关键词[WOS]	INTEGRATION ; GENERATION ; HEAT
收录类别	SCI
语种	英语
WOS记录号	WOS:000329953100033
内容类型	期刊论文
源URL	[http://ir.etp.ac.cn/handle/311046/98840]
专题	工程热物理研究所_中国科学院工程热物理所（论文库）_期刊论文（SCI）
作者单位	1.Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Sinogold New Energy Technol Co, Beijing 100080, Peoples R China
推荐引用方式 GB/T 7714	Peng, Shuo,Hong, Hui,Jin, Hongguang,et al. A new rotatable-axis tracking solar parabolic-trough collector for solar-hybrid coal-fired power plants[J]. SOLAR ENERGY,2013,98:492-502.
APA	Peng, Shuo,Hong, Hui,Jin, Hongguang,&Zhang, Zhineng.(2013).A new rotatable-axis tracking solar parabolic-trough collector for solar-hybrid coal-fired power plants.SOLAR ENERGY,98,492-502.
MLA	Peng, Shuo,et al."A new rotatable-axis tracking solar parabolic-trough collector for solar-hybrid coal-fired power plants".SOLAR ENERGY 98(2013):492-502.