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What will be the shape of the pathline for an one-dimensional flow be like?

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+2 votes
in Fluid Mechanics by (118k points)
What will be the shape of the pathline for an one-dimensional flow be like?

(a) straight line

(b) parabolic

(c) hyperbolic

(d) elliptical

This question was posed to me during an interview for a job.

I'd like to ask this question from Types of Flow Lines topic in chapter Kinematics of Flow and Ideal Flow of Fluid Mechanics

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+2 votes
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Best answer
Correct option is (a) straight line

To elaborate: A pathline is the path followed by a particle in motion. For an one-dimensional flow, the fluids move in only one dimension (say x). Hence the pathline will also be a straight line (along that direction).

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