2.27 Fluids of viscosities µ1 = 0.1 N · s/m² and µ2 = 0.15 N - s/m? are contained between two plates (each plate is 1 m? in area). The thicknesses are h1 upper plate moves at a velocity of 1.5 m/s. Determine the force required to move the upper plate and the fluid velocity at the interface between the two fluids. = 0.5 mm and h2 = 0.3 mm, respectively. And the F, V h2 H2 h1 P2.27 lint: Both Velocity and Shear stress are continuous at the fluid-fluid interface.

Elements Of Electromagnetics
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2.27 Fluids of viscosities µ1 = 0.1 N s/m2 and 42 = 0.15 N s/m2 are contained between two plates
(each plate is 1 m? in area). The thicknesses are h1 = 0.5 mm and h2 = 0.3 mm, respectively. And the
upper plate moves at a velocity of 1.5 m/s. Determine the force required to move the upper plate and the
fluid velocity at the interface between the two fluids.
F, V
h2
H2
h1
P2.27
Hint: Both Velocity and Shear stress are continuous at the fluid-fluid interface.
Transcribed Image Text:2.27 Fluids of viscosities µ1 = 0.1 N s/m2 and 42 = 0.15 N s/m2 are contained between two plates (each plate is 1 m? in area). The thicknesses are h1 = 0.5 mm and h2 = 0.3 mm, respectively. And the upper plate moves at a velocity of 1.5 m/s. Determine the force required to move the upper plate and the fluid velocity at the interface between the two fluids. F, V h2 H2 h1 P2.27 Hint: Both Velocity and Shear stress are continuous at the fluid-fluid interface.
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