The stream function for a two-dimensional, incompressible flow field is given by the equation ψ=2x-2y where the stream function has the units of ft2/s with x and y in feet
part a) the streamlines for this flow field and the direction of flow along the streamlines are
a) y=x+ψ2, the direction of frlow is up and to the left
b) y=-x+ψ2, the direction of frlow is up and to the right
c) y=-x+ψ2, the direction of frlow is down and to the right
d) y=x-ψ2 , the direction of frlow is down and to the left
part b) is this an irrotational flow field?
part c) determine the magnitude of the acceleration of a fluid particle at the point x = 1 ft, y = 2 ft.
|a(1 ft,2 ft)|=?