Chemical reaction model in accompany with CFD in Matlab

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Mohammad Nasiri
Mohammad Nasiri 2022-2-28
移动：Torsten 2024-3-21
I am trying to model a SOFC in MATLAB.
Basically, NH3 is entering a very small channel and decompose. Then the H2 is react with an Anode to produce electricity.
Can anyone tell me how is it possible to solve multiple differential equations in a discreterized region?
since in the channels of fuel cell, I have to solve both fluid motion flow (CFD) and chemical reaction equation at the same time.

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回答（2 个）

Torsten
Torsten 2024-3-21
移动：Torsten 2024-3-21
MATLAB is not the suitable tool to solve CFD problems. Use ANSYS or something similar for this. Usually, these tools already have fuel cell modules you can licence and use.
Vidip
Vidip 2024-3-21
Solving two (or more) coupled differential equations simultaneously in MATLAB can be efficiently handled using built-in functions such as ‘ode45’, which is designed for solving systems of ordinary differential equations (ODEs). The key is to represent your equations in a way that MATLAB understands, typically by expressing them as a system of first-order ODEs. You need to define the system of ODEs as a function in MATLAB and then you can use ‘ode45’ or any other suitable solver to solve the equations.
For further information regarding ‘ode45’ solver, refer to the documentation link below:

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