Why nusselt number increases with reynolds number?
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Heya
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As you should know, Reynolds number increases as fluid velocity increases and/or as fluid viscosity decreases. These two factors (velocity increase and viscosity decrease) both enhance heat transfer as they promote higher rates contacts between “portions” of fluid, which are at different temperatures, in different sites (locations). You should study further the velocity boundary layer and the thermal boundary layer concepts and the strict parallelism that exists between them.
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_____________________________________________________________
As you should know, Reynolds number increases as fluid velocity increases and/or as fluid viscosity decreases. These two factors (velocity increase and viscosity decrease) both enhance heat transfer as they promote higher rates contacts between “portions” of fluid, which are at different temperatures, in different sites (locations). You should study further the velocity boundary layer and the thermal boundary layer concepts and the strict parallelism that exists between them.
___________________________________________________________
Hope it helps
mark as brainliest
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