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Identifying Rotational or Irrotational Flow

Identifying Rotational or Irrotational Flow

(OP)
Hello Everyone,

Suppose that I have a Plot of a Velocity Field in terms of it Stream Lines.
How would I say, just looking at the Stream Line Plot, whether the Flow is Rotational or Ir-rotational?

Please see the attached pic showing the Plot, with the Velocity Field equation. The curl of the Velocity Field is zero, hence the Flow is Ir-rotational (zero vorticity).

Thanks,
Vikalp.

RE: Identifying Rotational or Irrotational Flow

Just by looking? You can't.

RE: Identifying Rotational or Irrotational Flow

is this a student post ?

another day in paradise, or is paradise one day closer ?

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