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-   -   Natural convection and periodic boundary layer (http://www.cfd-online.com/Forums/fluent/37739-natural-convection-periodic-boundary-layer.html)

George Thomas August 29, 2005 11:12

Natural convection and periodic boundary layer
 
Hai everyone, I am a beginer in Fluent.Now iam doing project on the heat and flow in airside radiator ducts.Here the ducts will be rib roughened.This is a free convection case.Here the ducts are on constant heat flux and air is allowed to move around it.Here the rib roughness for over the duct is symetrical.So can i take a model a part of it and give periodic boundary condition?Or,since the temperature of the air changes as it moves away,would the periodic boundary condition be a bad choice in this natural convection case. Thanks, George.


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