cee4324-5984_lecture22

cee4324-5984_lecture22 - CEE 4324/5984 Open Channel Flow...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
Glenn E. Moglen Department of Civil & Environmental Engineering Virginia Tech Surface Water Profiles from Steps, Constrictions, and Shifts in Normal Depth CEE 4324/5984 –Open Channel Flow – Lecture 22
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Questions from Lecture 21? Exam 2 comments Surface Water Profiles Review: General “Recipe” Closure: composite profiles on a steep reach Quick Review: Step on a Mild Reach Example: Profiles from Constriction Profiles from a Change in Normal Depth I am in Blacksburg next Tuesday-Thursday (November 15-17). If you would like to meet with me, please let me know. Today’s Agenda:
Background image of page 2
Average (mean): 81.7 Range: 66-100 Comments: Problems 2 and 3 were re-visits of Homework 7 (problems 3 and 2, respectively). 60% of exam value in these two problems. Problems 1 and 4 emphasized concepts. Exam 2 Comments
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Conjugate Curve Concept Figure from Henderson (1966).
Background image of page 4
Composite Profiles on a Steep Reach Q = 100 ft 3 /s b = 10 ft n = 0.011 S 0 = 0.01 y c = 1.46 ft y 0 = 0.839 ft Distance (ft) Elevation (ft) gate x (ft) jump x (ft) S 1 (ft) S 2 (ft) y 1 (ft) y 2 (ft) 550 492.8 57.2 492.8 0.839 2.333 500 442.3 57.7 442.3 0.842 2.328 300 238.7 61.3 238.7 0.865 2.281 200 131.8 68.2 131.8 0.914 2.190 150 73.3 76.7 73.3 0.982 2.071
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Surface Water Profiles – Composite Profile on a Steep Reach It is difficult to see from the figure, but the S 1 curve increases in length and the S 2 curve decreases in length as the overall distance from the head of the steep overfall decreases.
Background image of page 6
Image of page 7
This is the end of the preview. Sign up to access the rest of the 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.

Page1 / 21

cee4324-5984_lecture22 - CEE 4324/5984 Open Channel Flow...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online