seeking guidance on how to integrate chemical reactions into batch reactor model (Simulink).

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khadija 2024-1-10

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https://ww2.mathworks.cn/matlabcentral/answers/2068461-seeking-guidance-on-how-to-integrate-chemical-reactions-into-batch-reactor-model-simulink

回答： Pratyush 2024-1-11

"Hello,

I'm looking to incorporate my chemical reactions into my Simulink model, specifically in my batch reactor model. Could you please guide me on how to proceed more precisely? Do I need to convert my chemical equations into differential equations? Your insights would be highly appreciated.

Thank you."

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Answer 1

Pratyush 2024-1-11

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Hi Khadija,

I understand that you want to incorporate chemical reactions into a Simulink batch reactor model,

Here is a general outline on how this could be done:

Ensure all chemical reactions are correctly balanced.
Use the law of mass action to derive rate laws for the reactions.
Write down ordinary differential equations (ODEs) that describe the rate of change of concentration for each species.
Use Integrator, Function, Gain, and Source/Sink blocks to implement the ODEs in Simulink.
Connect the blocks according to the ODEs, set initial conditions, and configure the solver.
Execute the model and observe the results.
Check concentration profiles over time to evaluate reactor performance.
Compare simulation results with experimental or theoretical data to ensure accuracy.

This process converts chemical reactions into a mathematical representation that can be simulated within Simulink.