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The parameters for ideal fluid flow around a rotating circular cylindercan be obtained by superposition of some elementary flows. Which one of the following sets would describe the flow around a rotating circular cylinder? 
  • a)
    Doublet, vortex and uniform flow
  • b)
    Source, vortex and uniform flow
  • c)
    Sink, vortex and uniform flow
  • d)
    Vortex and uniform flow
Correct answer is option 'A'. Can you explain this answer?
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The parameters for ideal fluid flow around a rotating circular cylinde...
Ans. (a)
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The parameters for ideal fluid flow around a rotating circular cylinde...
Ideal Fluid Flow Around a Rotating Circular Cylinder:

In this problem, we need to find the parameters for ideal fluid flow around a rotating circular cylinder.

Superposition of Elementary Flows:

We can obtain the parameters for this flow by superposition of some elementary flows.

Sets of Elementary Flows:

There are various sets of elementary flows that can be used to describe the flow around a rotating circular cylinder.

Option A: Doublet, Vortex, and Uniform Flow

This option describes the flow around a rotating circular cylinder using the following elementary flows:

1. Doublet: A doublet flow consists of a pair of equal and opposite point sources or sinks placed close together. This flow creates a flow pattern that looks like a dipole.

2. Vortex: A vortex flow consists of a rotating fluid element around an axis. This flow creates a flow pattern that looks like a whirlpool.

3. Uniform Flow: A uniform flow consists of a fluid moving at a constant velocity in a straight line.

By superposition of these flows, we can obtain the parameters for the flow around a rotating circular cylinder.

Therefore, the correct answer is option A: Doublet, Vortex, and Uniform Flow.
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The parameters for ideal fluid flow around a rotating circular cylindercan be obtained by superposition of some elementary flows. Which one of the following sets would describe the flow around a rotating circular cylinder?a)Doublet, vortex and uniform flowb)Source, vortex and uniform flowc)Sink, vortex and uniform flowd)Vortex and uniform flowCorrect answer is option 'A'. Can you explain this answer?
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