29 September 2021 4 8K Report

Hello all,

I have a problem on establishing the simple 1D model for multi-tubular reactor with exothermic reactions. The packed-bed is cooled by coolant to dissipate the reaction heat.

Since this 1D model will be employed to a hybrid-approach that covering another data-driven deep learning ANNs, the 1D model must be ultimately simplified.

In general, the constraints for that simple 1D model are:

1. Minimize the number of equations (only mass and energy balance. pressure drop, diffusion, dispersion are neglected)

2. Minimize the number of empirical correlations: I need to find the good overall HTC for the packed-bed reactor. Also, I need the good method for estimating the mass-transfer limitation.

3. Maximize the validity range of model: We need a wide range of application.

Can you help me to find:

1. The simplest governing equation

2. The simplest correlation

for such kind of problem?

Thank you in advance,

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