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Title: Numerical investigation of the thermophysical characteristics of the mid-and-low temperature solar receiver/reactor for hydrogen production
Author: Liu, Qibin1, 3; Wang, Yanjuan1, 2, 3; Lei, Jing2; Jin, Hongguang1, 3
Source: INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
Issued Date: 2016-06-01
Volume: 97, Pages:379-390
Keyword: Solar hydrogen production ; Solar receiver/reactor ; Methanol steam reforming ; Mathematical model
DOI: 10.1016/j.ijheatmasstransfer.2016.02.012
DOC Type: Article
English Abstract: With the considerations of the complex kinetic mechanisms of the methanol steam reforming using Cu/ZnO/Al2O3 catalyst, in this paper a multiphysics coupling model that integrates the mass, momentum and energy conservation governing equations is proposed to investigate the thermophysical performances of the mid-and-low temperature solar receiver/reactor for hydrogen production. The factors influencing the hydrogen production and temperature distributions of the catalyst bed, including the diameter of the receiver/reactor, the non-uniform distribution of the solar flux and the porosity of the catalyst bed, are numerically studied. The temperature distributions, mole fractions of the components and reaction rates are obtained. The influence rules of the diameter of the receiver/reactor tube on the performances of the receiver/reactor are revealed. The non-uniform distribution of the solar flux has a significant influence on the cross-sectional temperature difference of the receiver/reactor tube, the catalyst bed and the temperature rise of the catalyst bed, while has a slight impact on the methanol conversion and the collector efficiency. The effect mechanisms of the porosity on the performances of the receiver/reactor are revealed. The research findings provide a fundamental reference for the development of the mid-and-low temperature solar receiver/reactor. (C) 2016 Elsevier Ltd. All rights reserved.
WOS Headings: Science & Technology ; Physical Sciences ; Technology
WOS Subject: Thermodynamics ; Engineering, Mechanical ; Mechanics
WOS Subject Extended: Thermodynamics ; Engineering ; Mechanics
WOS Keyword Plus: METHANOL DECOMPOSITION ; PERFORMANCE ANALYSIS ; THERMAL-ENERGY ; CU/ZNO/AL2O3 ; REACTORS
Indexed Type: SCI
Funder: National Natural Science Foundation of China(51276214 ; Chinese Academy of Sciences ; 51236008)
Language: 英语
WOS ID: WOS:000374616900034
Citation statistics:
Content Type: 期刊论文
URI: http://ir.etp.ac.cn/handle/311046/112506
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.North China Elect Power Univ, Sch Energy Power & Mech Engn, Beijing 102206, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100190, Peoples R China
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