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Chapter:
Laminar-Pipe-Flow
A lubricating oil of viscosity 1 poise and specific gravity 0.9 is pumped through
a 30 mm diameter pipe. If pressure drop per metre length of pipe is `20( kN)/m^2`, determine:
- The mass flow rate in kg/min,
- The shear stress at pipe wall,
- The Reynolds number of flow, and
- The power required per 50 m length of pipe to maintain flow.
A lubricating oil of viscosity 1 poise and specific gravity 0.9 is pumped through
a 30 mm diameter pipe. If pressure drop per metre length of pipe is `20( kN)/m^2`, determine:
- The mass flow rate in kg/min,
- The shear stress at pipe wall,
- The Reynolds number of flow, and
- The power required per 50 m length of pipe to maintain flow.
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This Chapter Laminar-Pipe-Flow consists of the following topics
A fluid of density `1200 (kg)/m^3` and viscosity `0.5 `poise is flowing at a rate of `5m^3/( min)` in a circular pipe of cross-section of `1 m^2`. Is the flow laminar or turbulent? Can you predict the maximum velocity of the fluid in the pipe ?
A lubricating oil of viscosity 1 poise and specific gravity 0.9 is pumped through
a 30 mm diameter pipe. If pressure drop per metre length of pipe is `20( kN)/m^2`, determine:
- The mass flow rate in kg/min,
- The shear stress at pipe wall,
- The Reynolds number of flow, and
- The power required per 50 m length of pipe to maintain flow.
In a pipe of 300 mm diameter, the maximum velocity of flow is found to be 2 m/s. If the flow is laminar,find:
- the average velocity and the radius at which it occurs
- the velocity at 50mm from the wall of the pipe