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If three sets of streamlines A, B and C are considered across section 1-2, which set will represent accelerated flow from 1 to 2?

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+2 votes
in Fluid Mechanics by (118k points)
If three sets of streamlines A, B and C are considered across section 1-2, which set will represent accelerated flow from 1 to 2?

(a) A

(b) B

(c) C

(d) None of the sets

I had been asked this question in semester exam.

Origin of the question is Types of Flow Lines topic in portion Kinematics of Flow and Ideal Flow of Fluid Mechanics

1 Answer

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by (362k points)
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Best answer
Correct option is (a) A

Easiest explanation: Streamline spacing varies inversely as the velocity. Higher the velocity, closer will be the streamlines. Hence, converging of streamlines from 1 to 2 will indicate accelerated flow as in set A.

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