comparison with standard equations for velocity field? In what cases these advantages are often used? Vorticity transport depends on the three Partial differential equations (PDEs) for u, v and p in the "primitive variable" form. Stream function depends on only two Partial differential equations (PDEs) for the scalars and . We win on variables and this is the main advantage. 3. How will change vorticity transport equation if Reynold number will increase? Then Re number increase, it means, that we have turbulent flow. In this conditions Navier-Stokes equation take form of Euler equation. Navier-Stokes equation consist of two parts. One part, that consist volume becomes greater and equation transform into linear. Another part, what consist viscosity, becomes smaller and transform into non-linear term equation. 4. What means asymptotic analysing of the problem?
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