固体氧化物燃料电池气流和热场的宏观尺度数值模拟研究进展

栾凯夫, 蔡长焜, 谢满意, 张纯, 郑坤灿, 安胜利

Research progress of macroscale numerical simulation of fluid and thermal fields of solid oxide fuel cells

Kaifu LUAN, Changkun CAI, Manyi XIE, Chun ZHANG, Kuncan ZHENG, Shengli AN

图13 平板式SOFC内部应力的分布[61] (a) 共流与逆流配置沿流向的温度梯度；(b) 共流与逆流配置沿流向的冯氏应力；(c) 共流配置的第一和第三主应力；(d) 逆流配置，自由约束下空气入口和燃料入口的第一主应力；(e) 逆流配置的第一和第三主应力；(f) 逆流配置，自由约束下电解质-电极界面的第一主应力

Fig. 13 Planar-type SOFC[61]: (a) Temperature gradient along the flow direction for co-flow and counter-flow; (b) Von Mises stress along the direction of the co-flow and counter-flow; (c) The first and third principal stresses of the co-flow; (d) The first principal stress of the air inlet and the fuel inlet under free constraints in the counter-flow; (e) The first and third principal stresses of the counter-flow; (f) Counter-flow, first principal stress at the electrolyte-electrode interface under free confinement