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A multi-domain syngas solid oxide fuel cell model for transportation applications

机译:用于运输应用的多域合成气固体氧化物燃料电池模型

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Solid oxide fuel cell (SOFC) plays an important role in the transportation and automotive technology like the auxiliary power unit (APU) for trucks. An accurate fuel cell model can help the design of the automatic control in the transportation. This paper analyzes the numerical stiffness in a syngas fueled tubular SOFC model through the time constants in the ordinary differential equations (ODE). The proposed multi-domain fuel cell model uncovers the coupling of the stiff characteristics inside the fuel cell system by taking consideration of electrochemical, fluidic and thermal phenomena. Written in pure C language without the dependent of any platform, the trapezoidal rule with the second order backward difference formula (TR-BDF2) ODE solver gives a possibility for the embedded applications of the proposed fuel cell model, like real-time simulation and online diagnostic control in the transportation system. In addition, the presented model in this paper can also be used to verify the control methods for SOFC APU in the heavy-duty truck.
机译:固体氧化物燃料电池(SOFC)在运输和汽车技术中起着重要作用,例如卡车的辅助动力装置(APU)。准确的燃料电池模型可以帮助设计运输中的自动控制。本文通过常微分方程(ODE)中的时间常数分析了合成气燃料管式SOFC模型中的数值刚度。拟议的多域燃料电池模型通过考虑电化学,流体和热现象揭示了燃料电池系统内部刚性特性的耦合。梯形规则使用纯C语言编写,不依赖任何平台,具有二阶后向差分公式(TR-BDF2)ODE求解器的梯形规则为所提出的燃料电池模型的嵌入式应用提供了可能性,例如实时仿真和在线运输系统中的诊断控制。此外,本文提出的模型还可以用于验证重型卡车中SOFC APU的控制方法。

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