A dam releases water into a spillway, and then some distance downstream a hydraulic jump occurs. The dam height is 25 m, the initial depth in the spillway is 1 m, and the hydraulic jump leads to a region of depth 15 m. Upstream of the dam may be considered a reservoir. Determine the average velocity before the jump and whether the jump will occur. If there will be a jump, determine the velocity after the hydraulic jump, neglecting any friction losses.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A dam releases water into a spillway, and then some distance downstream a hydraulic jump occurs. The dam height is 25 m, the initial depth in the spillway is 1 m, and the hydraulic jump leads to a region of depth 15 m. Upstream of the dam may be considered a reservoir. Determine the average velocity before the jump and whether the jump will occur. If there will be a jump, determine the velocity after the hydraulic jump, neglecting any friction losses.

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Step 1: Stating given and to determine data

G i v e n comma
H e i g h t space o f space d a m comma space H subscript 1 equals space 25 space m
D e p t h space i n space s p i l l w a y comma space H subscript 2 equals space 1 space m
D e p t h comma space H subscript 3 equals space 15 space m

T o space d e t e r m i n e comma
A v e r a g e space v e l o c i t y space b e f o r e space a n d space a f t e r space t h e space j u m p

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