a) Which of the following velocity fields satisfy conservation of mass for an incompressible flow? Justify your answer and determine the stream function when possible. 1. u = r³ siny, v = 3x² cos y 2. u = r³ siny, v = -3x² cos y 3. v 2r sin cos 0, v₁ = -r sin² 0 = b) In two dimensions, a flow of density p exits from a source at the origin and moves radially outward. Using conservation of mass, and assuming steady flow, show that the velocity must have the form = r. Relate the constant C to the mass flow rate from the origin, ṁ. c) Repeat the previous part for a three-dimensional source, this time showing that the form of the velocity is v=

Elements Of Electromagnetics
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Please show all work for a, b, & c!!!

a) Which of the following velocity fields satisfy conservation of mass for an incompressible flow?
Justify your answer and determine the stream function when possible.
1. u = r³ siny, v = 3x² cos y
2. u = r³ siny, v =
-3x² cos y
3. v 2r sin cos 0, v₁ = -r sin² 0
=
b) In two dimensions, a flow of density p exits from a source at the origin and moves radially
outward. Using conservation of mass, and assuming steady flow, show that the velocity must
have the form = r. Relate the constant C to the mass flow rate from the origin, ṁ.
c) Repeat the previous part for a three-dimensional source, this time showing that the form of
the velocity is v=
Transcribed Image Text:a) Which of the following velocity fields satisfy conservation of mass for an incompressible flow? Justify your answer and determine the stream function when possible. 1. u = r³ siny, v = 3x² cos y 2. u = r³ siny, v = -3x² cos y 3. v 2r sin cos 0, v₁ = -r sin² 0 = b) In two dimensions, a flow of density p exits from a source at the origin and moves radially outward. Using conservation of mass, and assuming steady flow, show that the velocity must have the form = r. Relate the constant C to the mass flow rate from the origin, ṁ. c) Repeat the previous part for a three-dimensional source, this time showing that the form of the velocity is v=
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