压力降
堆栈(抽象数据类型)
入口
计算流体力学
机械
体积流量
材料科学
流入
流量(数学)
下降(电信)
管(容器)
固体氧化物燃料电池
化学
复合材料
机械工程
工程类
阳极
电极
物理化学
物理
程序设计语言
计算机科学
作者
Wenying Zhang,Yi Fan Zeng,Hongwei Zhang,Ruiqing Shi,Nanqi Duan,Lichao Jia,Dong Yan
标识
DOI:10.1016/j.ijhydene.2023.05.325
摘要
This study analyzed the influence of channel resistance, inlet flow rate, manifold depth and other related parameters on the gas distribution uniformity and pressure drop in an external 20-cell solid oxide fuel cell stack by computational fluid dynamics (CFD) technique. It provides a basis for determining the physical and geometric parameters of the stack. Furthermore, the flared inlet tube structure shows the effect of controlling the initial velocity of gas inflow and buffering; the flared outlet tube structure has the benefit of reducing the local pressure loss and the pressure drop. Combined with the perforated sheet structure, the gas in the inlet manifold is redistributed to improve the uniformity of gas flow. Compared with the basic model, the pressure drop of perforated sheet stack was reduced by 17.6% from 349.5 Pa to 288.5 Pa, and the gas flow uniformity index of that was reduced from 4.06% to 0.22%.
科研通智能强力驱动
Strongly Powered by AbleSci AI