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Unformatted text preview: Quiz #4
ECH 3203, Fall 2010
Wednesday, October 13
• Twenty minutes.
• Open book.
• No notes.
• No calculator needed.
• Maximize your score by showing all work.
• Good luck to you!! A) The velocity potential for a ﬂow is given by
φ = U∞ + c cos 2πx
l exp − 2πy
l Determine the stream function for this ﬂow.
B) Prove that the curl of the gradient of an arbitrary scalar function φ is zero:
∇ × ∇φ = 0 ...
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This note was uploaded on 08/21/2011 for the course ECH 2023 taught by Professor Butler during the Fall '10 term at University of Florida.
- Fall '10