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Modeling Jet Fans in Parking Ventialtion

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Old   April 4, 2016, 04:42
Default Modeling Jet Fans in Parking Ventialtion
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Tarek Jaafar
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Hi , I'm new to CFD. I'm modeling a parking ventilation system in ansys CFX. I'm having some trouble modeling the jet fans . I went as follows. I created a fresh air inlet (Opening BC), an exhuast outlet (outlet BC) and in the middle I distributed jet fans .The jet fans are modeled as sub domains with momentum sources(momentum calculated from the thrust). In addition, I simulated a fire through flow inlet BC at a surface with and additional variable(smoke). I ran a transient analysis. The problem is the results seem unreal.
Generally, how does my methodology look. Am I on the right track. Any tips or ideas about why my results seem unreal.
Thank You
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Old   April 4, 2016, 08:13
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Glenn Horrocks
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Your methodology sounds OK from what you describe.

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