Effective thermal conductivity of a bed packed with granular iron-manganese oxide for thermochemical energy storage

被引：17
作者：
Hamidi, Marziyeh [1 ]
Wheeler, Vincent M. [1 ,2 ]
Kreider, Peter [1 ]
Catchpole, Kylie [1 ]
Weimer, Alan W. [1 ,3 ]
机构：
[1] Australian Natl Univ, Res Sch Engn, Canberra, ACT 2601, Australia
[2] Univ Wisconsin Stout, Dept Engn & Technol, Menomonie, WI 54751 USA
[3] Univ Colorado, Dept Chem & Biol Engn, Boulder, CO 80309 USA
来源：
CHEMICAL ENGINEERING SCIENCE | 2019年 / 207卷
关键词：
Heat transfer modelling; Packed-bed reactor; Thermal radiation; High temperature thermochemical energy storage; Iron-manganese oxide; Effective thermal conductivity; CONCENTRATED SOLAR POWER; HEAT-TRANSFER; REDOX MATERIALS; REACTORS; KINETICS;
D O I：
10.1016/j.ces.2019.06.035
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Heat transfer is studied in a lab-scale tubular reactor packed with spherical 0.5-1 mm iron-manganese oxide particles with an Fe/Mn molar ratio of 2:1. A two-dimensional transient heat transfer model considering conduction, convection and radiation heat transfer is developed to simulate the temperature profile in the reactor. The effective thermal conductivity of the packed bed as well as the wall heat transfer coefficient are determined based on the experimental data and a steady-state model. The validity of calculated effective parameters is checked by employing the parameters in a transient model and comparing the predicted temperature profile with transient experimental data and by comparison with existing correlations found in the literature. (C) 2019 Elsevier Ltd. All rights reserved.
引用
收藏
页码：490 / 494
页数：5
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