Radiative and convective heat transport within tubular solid-oxide fuel-cell stacks

被引：7

作者：

Kee, Robert J. ^{[1
]}

Kee, Benjamin L. ^{[1
]}

Martin, Jerry L. ^{[2
]}

机构：

[1] Colorado Sch Mines, Div Engn, Golden, CO 80401 USA

[2] DellaTech LLC, Superior, CO 80027 USA

来源：

JOURNAL OF POWER SOURCES | 2010年 / 195卷 / 19期

关键词：

Tubular SOFC; Long cylinder bundle; Thermal radiation; Configuration factors;

D O I：

10.1016/j.jpowsour.2010.04.010

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

This paper develops a relatively simple model that is intended to rapidly evaluate design configuration and operating conditions for tubular anode-supported solid-oxide fuel-cell (SOFC) stacks. Heat is removed from the SOFC tubes by a combination of convection and radiation. Heat is convected to air that circulates outside the SOFC tubes and radiated to a surrounding cylindrical wall. The tubes are assumed to be arranged in hexagonal arrays in which the distance between tubes centers form equilateral triangles. The paper presents new configuration-factor formulas that are needed to represent arrays of staggered cylinders. The configuration factors are derived for long cylinders using the crossed-string method. These configuration factors have general utility beyond the application to fuel-cell systems. The model is applied to a particular cell and stack system and used to evaluate the effects of a range of design and operating conditions. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：6688 / 6698

页数：11

共 7 条

[1] [Anonymous], 2008, MATH VERS 7 0
[2] Cox R. L., 1976, THESIS U TENNESSEE K
[3] JUUL NH, 1982, ASME, V104, P384
[4] KEE R, 2009, ENCY ELECTROCHEMICAL
[5] Solid oxide fuel cells: Operating principles, current challenges, and the role of syngas
Kee, Robert J.
Zhu, Huayang
Sukeshini, A. Mary
Jackson, Gregory S.
[J]. COMBUSTION SCIENCE AND TECHNOLOGY, 2008, 180 (06) : 1207 - 1244
[6] Modest M. F., 2003, RAD HEAT TRANSFER
[7] Siegel R., 2002, Thermal Radiation Heat Transfer

← 1 →