cee4324-5984_lecture24

# cee4324-5984_lecture24 - Glenn E Moglen Department of...

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Unformatted text preview: Glenn E. Moglen Department of Civil & Environmental Engineering Virginia Tech Finish Reach Transitions and Begin Quantitative Surface Water Profiles CEE 4324/5984 –Open Channel Flow – Lecture 24 Questions from Lecture 23? Finish Reach Transitions Reach transition: Review: Reach transition: Steep to Mild – where is the hydraulic jump? “Homework Question”: Reach transition: Steep to Less Steep Drowned Jump at Reach transition? Begin Quantitative Surface Water Profiles Standard Step Method Comments on Current Homework Assignment Today’s Agenda: Due date for Homework #9 will be delayed one period to December 1. Please bring your laptop (if you have one) to all remaining classes as it will be useful for in class exercises. Please install the HEC-RAS program on your computer. The program can be downloaded from the link provided at the class web site. The download is at: http://www.hec.usace.army.mil/software/hec-ras/ Announcements: Example 35: Transition from a Steep to Mild Reach Mild reach Steep reach Flow enters and exits at normal depth. BIG QUESTION: Where is the hydraulic jump? Example 35a: Transition from a Steep to Mild Reach Mild reach Steep reach Rectangular, Q = 100 ft 3 /s, b =10 ft, n =0.03 Steep Reach:, S = 0.05, y = 1.01 ft Mild Reach:, S = 0.008, y = 1.85 ft y conj =2.02 ft y conj =1.13 ft Example 35b: Transition from a Steep to Mild Reach...
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## 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.

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cee4324-5984_lecture24 - Glenn E Moglen Department of...

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