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Wrong initial particle velocity in my air-blast-atomizer problem...?

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Old   December 4, 2014, 07:57
Default Wrong initial particle velocity in my air-blast-atomizer problem...?
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Yukyung Lim
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Hi, I am a beginner working on a spray dryer problem with a DPM model on FLUENT.
diameter of my particle is about 5~30 micrometers, being some conventional viscous polymer droplets.

The problem is that the initial particle velocity(just having escaped the nozzle) has an amazingly large value: some near 300,000m/s

The particle velocity does reach a reasonable value in a quick time, but still I am not confident about my solution of the particle velocity field.

I would like to thank in advance to whom that provides an answer to this.
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air-blast atomizers, dpm, fluent


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