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A 2D incompressible flow field has the following velocity components in the x, y and z...

A 2D incompressible flow field has the following velocity components in the x, y and z directions, where z is is “up”, and a, b are constants.

u=ay v=bx w=0

1.Does this flow satisfy conservation of mass?

2.Show if this is an exact solution to Navier-Stokes equations for incompressible flow?

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