Answered: ation y decreases by 1m at the…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A river with a nearly rectangular cross section goes through a lateral channel contraction due to the presence of a bridge, and the water surface elevation y decreases by 1m at the contraction. Assuming there is no energy loss through the contraction and the flow is not choked, how much would the velocity head change at the contraction? Is the flow subcritical or supercritical before the contraction? (hint: check the energy profile)

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