cee4324-5984-f11hw4

cee4324-5984-f11hw4 - downstream of a control (sluice)...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Virginia Tech Department of Civil and Environmental Engineering CEE 4324/5984 – Open Channel Flow Homework #4: Momentum and Hydraulic Jump Problems Due October 6, 2011 In all problems give your reasoning and show your work – not just a final answer. Make sure you answer all parts of all questions. Be careful of units and significant figures. Problem #1: Working in a rectangular channel. Set dM/dy = 0. Show that this leads to the same value of critical depth, y c , as we determined based on specific energy. Namely that y c = ( q 2 / g ) 1/3 and thus critical depth is the same from both the standpoint of energy and momentum. Problem #2: A hydraulic jump is formed in a 5.0 meter wide outlet at a short distance
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: downstream of a control (sluice) gate. If the flow depth upstream of the gate is 9.0 meters and the discharge is 150 m 3 /s, find: 1) the flow depth just downstream of the gate, 2) the flow depth downstream of the jump, 3) the thrust on the gate, and 4) the head losses in the jump. Problem #3: Given a q of 25 ft 2 /s and a sluice gage/jump configuration. What depth upstream of the sluice gate is necessary to dissipate 30% of the original (upstream of the sluice gate) energy? What are the Froude Numbers just upstream and downstream of the jump?...
View Full Document

This note was uploaded on 12/24/2011 for the course CEE 4324 taught by Professor Moglen during the Fall '11 term at Virginia Tech.

Ask a homework question - tutors are online