An incompressible fluid is being squeezed outward between two large circular disks by the uniform downward motion Vo of the upper disk. Assume one dimensional radial outflow. The volume between the two disks is: + = mr h, and the area of control surface at the outlet to be A, =2 mrh dh( h = -Vot +ho = -Vo dt Note: Use the control volume shown and calculate the velocity V(r) when Vo=1 mm/s, r=30 cm and h=10 cm. Vo CV CV h(t) V(r)? Fixed circular disk V(r)=7.5 mm/s V(r)=15 mm/s V(r)=1.5 mm/s V(r)=22.5 mm/s

Elements Of Electromagnetics
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An incompressible fluid is being squeezed outward between two large circular disks by the uniform downward motion Vo of the upper disk. Assume one
dimensional radial outflow. The volume between the two disks is: +=rr h, and the area of control surface at the outlet to be A, = 2 rh
dh(
Note: ho = -Vot +ho
-Vo
dt
Use the control volume shown and calculate the velocity V(r) when Vo=1 mm/s, r=30 cm and h=10 cm.
Vo
CV
CV
h(t)
Fr-
V(r)?
Fixed circular disk
V(r)=7.5 mm/s
V(r)=15 mm/s
V(r)=1.5 mm/s
V(r)=22.5 mm/s
Transcribed Image Text:An incompressible fluid is being squeezed outward between two large circular disks by the uniform downward motion Vo of the upper disk. Assume one dimensional radial outflow. The volume between the two disks is: +=rr h, and the area of control surface at the outlet to be A, = 2 rh dh( Note: ho = -Vot +ho -Vo dt Use the control volume shown and calculate the velocity V(r) when Vo=1 mm/s, r=30 cm and h=10 cm. Vo CV CV h(t) Fr- V(r)? Fixed circular disk V(r)=7.5 mm/s V(r)=15 mm/s V(r)=1.5 mm/s V(r)=22.5 mm/s
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