P4.88 The viscous oil in Fig. P4.88 is set into steady motion by a concentric inner cylinder moving axially at velocity U inside a fixed outer cylinder. Assuming constant pressure and density and a purely axial fluid motion, solve Eqs. (4.38) for the fluid velocity distribution vz(r). What are the proper boundary conditions? b v,(r) a Oil: p. µ

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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P4.88 The viscous oil in Fig. P4.88 is set into
steady motion by a concentric inner cylinder
moving axially at velocity U inside a fixed
outer cylinder. Assuming constant pressure and
density and a purely axial fluid motion, solve
Eqs. (4.38) for the fluid velocity distribution
vz(r). What
are the proper boundary conditions?
b.
v(r)
a
U
Oil: p, H
Transcribed Image Text:P4.88 The viscous oil in Fig. P4.88 is set into steady motion by a concentric inner cylinder moving axially at velocity U inside a fixed outer cylinder. Assuming constant pressure and density and a purely axial fluid motion, solve Eqs. (4.38) for the fluid velocity distribution vz(r). What are the proper boundary conditions? b. v(r) a U Oil: p, H
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