Answer to Question #189207 in Mechanics | Relativity for jasmine pacey

Question

Consider the fully developed flow of glycerine at 40oC through a 157 m long, 5 cm diameter, horizontal, circular pipe . If the flow velocity at the centreline is measured to be 8 m/s, calculate the:

. The percent increase of the flow rate if the pipe is inclined 15 degree downward

The percent decrease if it is inclined 26 degree upward.

Properties: Density of glycerine = 1252 kg/m3 ; Dynamic viscosity of glycerine = 0.3073 kg/m s.

Assumptions: • The flow is steady, laminar and incompressible and fully developed • There are no pumps or turbines in the flow section

Answer 1

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