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I’m trying to simulate the air flow and the process in a dehumidifier

Question asked by Orla Sørensen on Mar 9, 2018

Hi

I’m trying to simulate the air flow and the process in a dehumidifier

Regarding the pressor drop the results seems ok, but when it comes to humidity the simulation result looks strange.

Inlet: 20°C, RH 80% = 13,85g/m³

After evaporator:  11,46°C, RH 100% = 10,31g/m³

After condenser: 27,39°C, RH 52,39% = 13,81g/m³

That means that there has been on dehumidifying doing the cooling down

If I assume that the temperature is simulated correct and calculate the HR it looks like this

Inlet: 20°C, HR 80% = 13,85g/m³

After evaporator: 11,46°C, RH 100% = 10,31g/m³

After condenser: 27,39°C, RH 39,1% = 10,31g/m³

What can I have been doing wrong, or can’t Solidworks flow simulation just not simulate dehumidifying?

Thank you

Orla

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