1.Describe the differences, if any, between laminar and turbulent boundary layers. 2.Describe the different sub-layers required to...

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Mechanical Engineering

1.Describe the differences, if any, between laminar andturbulent boundary layers.
2.Describe the different sub-layers required to model turbulentboundary layers.
3.Discuss the reason(s) for a similar pattern between wall shearstress and heat transfer coefficient profiles.
4.Describe the reason(s) why both turbulent momentum and thermalboundary layers approaching each other.
5.Describe the reason(s) why the unsteady governing equationterms must be kept when dealing with turbulence

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4.1 Ratings (821 Votes)

Answer1A boundary layer may be laminar or turbulent In a laminarboundary layer any exchange of mass or momentum takes place onlybetween adjacent layers on a microscopic scale which is not visibleto the eye A turbulent boundary layer on the other hand ismarked by mixing across several layers of it The mixing is now ona See Answer

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