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A circular pipe of radius R1 is placed concentrically inside another pipe of radius R2. If the flow in the annular space between the pipes is laminar. Find the r where maximum velocity occurs.
Correct answer is 'C'. Can you explain this answer?
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A circular pipe of radius R1 is placed concentrically inside another ...
Consider an annular element of radius r, thickness dr and length dx. Further let the velocity at radius r be u and pressure at two sections dx apart be p and
Force on the element due to pressure difference is,
Figure flow through an annular space Let shear stresses on the inner and outer surfaces of the element be τ and
Since the fluid is not accelerating (i.e., is moving with constant velocity), the sum of the pressure and viscous forces acting on the element must be zero. Thus:
Local velocity u would be maximum when
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A circular pipe of radius R1 is placed concentrically inside another ...
Consider an annular element of radius r, thickness dr and length dx. Further let the velocity at radius r be u and pressure at two sections dx apart be p and
Force on the element due to pressure difference is,
Figure flow through an annular space Let shear stresses on the inner and outer surfaces of the element be τ and
Since the fluid is not accelerating (i.e., is moving with constant velocity), the sum of the pressure and viscous forces acting on the element must be zero. Thus:
Local velocity u would be maximum when
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A circular pipe of radius R1 is placed concentrically inside another ...
Consider an annular element of radius r, thickness dr and length dx. Further let the velocity at radius r be u and pressure at two sections dx apart be p and
Force on the element due to pressure difference is,
Figure flow through an annular space Let shear stresses on the inner and outer surfaces of the element be τ and
Since the fluid is not accelerating (i.e., is moving with constant velocity), the sum of the pressure and viscous forces acting on the element must be zero. Thus:
Local velocity u would be maximum when
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A circular pipe of radius R1 is placed concentrically inside another pipe of radius R2. If the flow in the annular space between the pipes is laminar. Find the r where maximum velocity occurs.Correct answer is 'C'. Can you explain this answer?
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