+1 vote
in Irrigation Engineering by (75.2k points)
What is the shape of upstream wings in design of baffle fall?

(a) Trapezoidal

(b) Rectangular

(c) Circular

(d) Square

I got this question in an international level competition.

My question is from Canal Falls topic in portion Canal Falls of Irrigation Engineering

1 Answer

0 votes
by (106k points)
Right choice is (c) Circular

To elaborate: The shape given to upstream wings is circular of radius 3.6H^3/2 (H = total head over crest) when H is more than 0.3m and 2H when H is less than 0.3m. These circular wings are continued till they subtend an angle of 60 degrees at the centre.

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