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Title: Investigation of thermodynamic performances for two solar-biomass hybrid combined cycle power generation systems
Author: Liu, Qibin1, 2; Bai, Zhang1, 2; Wang, Xiaohe1, 2; Lei, Jing3; Li, Hongguang1
Source: ENERGY CONVERSION AND MANAGEMENT
Issued Date: 2016-08-15
Volume: 122, Pages:252-262
Keyword: Solar energy ; Hybrid system ; Power generation ; Thermodynamics evaluation
DOI: 10.1016/j.enconman.2016.05.080
DOC Type: Article
English Abstract: Two solar-biomass hybrid combined cycle power generation systems are proposed in this work. The first system employs the thermochemical hybrid routine, in which the biomass gasification is driven by the concentrated solar energy, and the gasified syngas as a solar fuel is utilized in a combined cycle for generating power. The second system adopts the thermal integration concept, and the solar energy is directly used to heat the compressed air in the topping Brayton cycle. The thermodynamic performances of the developed systems are investigated under the on-design and off-design conditions. The advantages of the hybrid utilization technical mode are demonstrated. The solar energy can be converted and stored into the chemical fuel by the solar-biomass gasification, with the net solar-to-fuel efficiency of 61.23% and the net solar share of 19.01% under the specific gasification temperature of 1150K. Meanwhile, the proposed system with the solar thermochemical routine shows more favorable behaviors, the annual system overall energy efficiency and the solar-to-electric efficiency reach to 29.36% and 18.49%, while the with thermal integration concept of 28.03% and 15.13%, respectively. The comparison work introduces a promising approach for the efficient utilization of the abundant solar and biomass resources in the western China, and realizes the mitigation of CO2 emission. (C) 2016 Elsevier Ltd. All rights reserved.
WOS Headings: Science & Technology ; Physical Sciences ; Technology
WOS Subject: Thermodynamics ; Energy & Fuels ; Mechanics ; Physics, Nuclear
WOS Subject Extended: Thermodynamics ; Energy & Fuels ; Mechanics ; Physics
WOS Keyword Plus: DIRECT STEAM-GENERATION ; PARABOLIC TROUGH ; CENTRAL RECEIVER ; RENEWABLE ENERGY ; FLUIDIZED-BED ; GAS-TURBINE ; GASIFICATION ; TECHNOLOGIES ; PLANTS ; DESIGN
Indexed Type: SCI
Funder: National Natural Science Foundation of China(51276214 ; 51236008)
Language: 英语
WOS ID: WOS:000379632600023
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Content Type: 期刊论文
URI: http://ir.etp.ac.cn/handle/311046/112489
Appears in Collections:中国科学院工程热物理所(论文库)_期刊论文(SCI)

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description.institution: 1.Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100190, Peoples R China
3.North China Elect Power Univ, Sch Energy Power & Mech Engn, Beijing 102206, Peoples R China
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