HW9.1 The velocity distribution for laminar flow between parallel plates is given by - (²3) ² u y Umax h where h is the distance separating the plates and the origin is placed midway between the plates. Consider a flow at 15°C, with Umax=0.80 m/s and h = 0.10 cm. Calculate the shear stress on the upper plate and given its direction. Sketch the variation of shear stress across the channel. Hint: for water at 15°C, μ = 1.1 x 10-3 N.s/m²

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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HW9.1 The velocity distribution for laminar flow between parallel plates is given by
2
- (²3) ²
น
Umax
y
where h is the distance separating the plates and the origin is placed midway between
the plates. Consider a flow at 15°C, with Umax = 0.80 m/s and h = 0.10 cm. Calculate the
shear stress on the upper plate and given its direction. Sketch the variation of shear stress
across the channel.
Hint: for water at 15°C, μ = 1.1 x 10-³ N.s/m²
Transcribed Image Text:HW9.1 The velocity distribution for laminar flow between parallel plates is given by 2 - (²3) ² น Umax y where h is the distance separating the plates and the origin is placed midway between the plates. Consider a flow at 15°C, with Umax = 0.80 m/s and h = 0.10 cm. Calculate the shear stress on the upper plate and given its direction. Sketch the variation of shear stress across the channel. Hint: for water at 15°C, μ = 1.1 x 10-³ N.s/m²
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