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Scaling down Fluent Model - Multiphase Flow and DPM Injections

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Old   October 13, 2016, 01:29
Default Scaling down Fluent Model - Multiphase Flow and DPM Injections
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Salman Sakib
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I am trying to model the sediment transport in a tank through a porous breakwater. The experimental dimensions of the tank are in meters and the sediment input in reality is in Kilograms. I want to simulate the model using the same dimensions but in millimeters. I am not sure how I can adjust the DPM injections. Also the multiphase parameters like velocity magnitude, wave length, water surface level are in meters.

1. Should I just use everything with the same value but in millimeters? That includes the velocity (mm/s), water level (mm), wave heights (mm)?

2. For the DPM injections I was using 97.5 kg in total with the tank dimensions in meters. How should I scale down the injection now that I want to use millimeters?

I have attached pictures of the multiphase flow (air and water) and the state of the particles after few seconds of DPM injection.
Attached Images
File Type: png Waves-Multiphase Flow.PNG (5.0 KB, 7 views)
File Type: jpg DPM In FLUENT.jpg (41.4 KB, 8 views)
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dpm, multiphase, particle deposition, scale problem

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