Viscosity
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Derive Poiseuille’s Formula For The Flow Of A Liquid Through Narrow Horizontal Tube.
Poiseuille’s Formula: Let us consider, a streamline motion of a liquid through a narrow tube, The streamlines are parallel to the axis of the tube and there is no radial…
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Explain Two Important Corrections To Poiseuille’s Formula.
Corrections To Poiseuille’s Equation: Let us consider a horizontal tube of radius R and length l, If P is the pressure difference between the two ends of the tube then…
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Deduce An Expression For The Distribution Of Velocity Of A Fluid Flowing Through A Uniform Capillary Tube Of Circular Cross Section. What Is The Nature Of Velocity Of Profile?
Distribution of velocity: Let us consider a horizontal capillary tube of length l and radius R as shown in the adjoining Fig. 1. Let us also consider that a liquid…
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If A Number Of Capillary Tubes Are Adjoined (i) In Series, (ii) In Parallel, Derive The Expressions For The Rate Of Flow Of The Liquid Using Poiseuille’s Equation.
(i) Flow through capillary tubes in series combination : According to Poiseuille’s equation, the rate of flow V of a liquid through a capillary tube of length and radius is…
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Deduce An Expression For Effective Flow Resistance, When A Number Of Capillary Tubes Are Joined (i) In Series And (ii) In Parallel.
According to Poiseuille’s formula, the rate of flow V of liquid through a capillary tube of length and radius is given by, , [Read In Detail] where, is the coefficient…
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What Is Terminal Velocity?
Terminal Velocity: When a body falls through a liquid or gas, it carries along with the layer of the fluid in contact and thus tends to produce a relative motion…
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Derive Stokes’ Law For The Viscosity Of A Small Sphere Falling Through A Viscous Liquid Using Method Of Dimension.
Stokes’ Law: Let us consider, a spherical body of radius falls through a liquid of infinite extent having a coefficient of viscosity . After some time it attains a terminal…
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Derive An Expression For The Terminal Velocity Of A Body Falling Freely Through A Viscous Liquid. How Are The Corrections For Wall Effect And End Effect Introduced?
Expression for terminal velocity: When a small spherical sphere of radius , falls through a liquid of coefficient of viscosity with terminal velocity , then the effective weight of the…