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transition regime modelling..

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Old   June 12, 2007, 05:07
Default transition regime modelling..
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sriram g s
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hello.. can u plz help me with this..

while modelling flow in a confined channel(say flow inside a tube).. how am i suppossed to model the flow in transition zone.. around reynolds no. 3000, 3500 etc.. i tried using all the turbulent models.. but im not getting a satisfactory solution.. is there any thumbrule associated with creating the mesh..??

thanks
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