A thin plate is separated from two fi xed plates by very viscous liquids 1 and 2
Chapter 1, Problem p1.48(choose chapter or problem)
A thin plate is separated from two fi xed plates by very viscous liquids 1 and 2 , respectively, as in Fig. P1.48. The plate spacings h1 and h2 are unequal, as shown. The contact area is A between the center plate and each fl uid. ( a ) Assuming a linear velocity distribution in each fl uid, derive the force F required to pull the plate at velocity V . ( b ) Is there a necessary relation between the two viscosities, 1 and 2 ?
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