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It is known that the velocity distribution for steady, laminar flowin circular tubes (either horizontal od vertical) isparabolic. Consider a 10 -mm- diameter horizontal tubethrough with ethyl alcohol is flowing with a steady mean velocity.15 m/s.
a. Would you expect the velocity distribution to be parabolic inthis case? Explain.
b. What is the pressure drop per unit length along the tube?
Hint: The flow will be laminar if the Reynolds number Re=ρvd/μ, remains below about 2100.
V= Δρh^2/12μl
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