So I know individually how these form. Unfortunately I haven't found any sources that describe more detailed questions that pop up in my mind.(adsbygoogle = window.adsbygoogle || []).push({});

Could someone help me answer a couple of questions?

1. So if a thermal boundary layer forms in a 'plug flow' model i.e. when there is no momentum b.;ayer formation, the temperature near the surface assumes a parabolic profile.

However,how does the formation of a momentum b.l affect the thermal b.l? Do they form independent of each-other?

2. In a thermal boundary layer,why is it that we define the thickness of the boundary layer as the thickness required to get a (T-Ts)=0.99*T∞where Ts=surface temperature; T=temp at ∂t and T∞ is free stream temperature.(in momentum bl, boundary layer thickness is when velocity becomes 0.99*U∞)

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# Thermal boundary layer and hydrodynamic boundary layer

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