标题:Effects of particle sizes on methanol steam reforming for hydrogen production in a reactor heated by waste heat
作者:Zheng, Bin; Sun, Peng; Zhao, Qiang; Liu, Yongqi; Zhang, Zhongliang
通讯作者:Zheng, Bin;Zheng, B
作者机构:[Zheng, Bin; Sun, Peng; Zhao, Qiang; Liu, Yongqi; Zhang, Zhongliang] Shandong Univ Technol, Sch Transportat & Vehicle Engn, Zibo 255049, Peoples R Chi 更多
会议名称:6th International Conference on Energy, Engineering and Environmental Engineering (ICEEEE)
会议日期:AUG 25-26, 2018
来源:INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
出版年:2019
卷:44
期:11
页码:5615-5622
DOI:10.1016/j.ijhydene.2018.07.163
关键词:Particle size; Heat transfer; Methanol steam reforming; Waste heat
摘要:This paper reports the effects of particle sizes on methanol steam reforming for hydrogen production in a reactor heated by waste heat. The unsteady model was set up, which has been applied to investigate the effects of particle sizes (1.77 mm-14.60 mm) on particle temperature, heat transfer quantity, overall coefficient of heat-transfer, etc. The heat transfer performance of waste heat recovery heat exchanger is improved when the particle size increases, which is conducive to increase hydrogen production. The particle temperature change rate, the specific enthalpy change rate, the moving velocity of the maximum heat release rate particle, the contribution rate of solid phases, the heat release rate and the overall coefficient of heat-transfer increase, but the effective time of heat transfer decreases. When the particle size increases from 1.77 mm to 14.60 mm, the solid phase average contribution rate increases from 89.43% to 94.03%, the overall coefficient of heat-transfer increases from 1.39 W m(-2) K-1 to 13.41 W m(-2) K-1, the heat release rate increases from 48.9% to 99.9% and the effective time of heat-transfer reduces from 48 h to 6.7 h. (C) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
收录类别:CPCI-S;EI;SCIE
资源类型:会议论文;期刊论文
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