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Zero equaiton hvac turbulence model

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Old   August 17, 2007, 09:55
Default Zero equaiton hvac turbulence model
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Dear All,

I have two questions about zero equation hvac turbulence model in Fluent:

1. Since the turbulence viscosity is affected by the first grid size. What is the recommended value for that distance? 2. Is this turbulence model suitable for indoor air flow regimes (I mean natural convection)?

Many thanks, Ram

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