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k 2 1 - 32 1. Correct equation: Q = -ARS 2. k = 1.49 n ho 3 ft 3. Q = 800 n = 0.022 S 200 4. S = = 0.007576 0 5+5280 2 πρ 5. A = 2 A πη 6. R. == = h P 2πη 12 7. Solve for r algegraically and get r = = 6.33 ft Q 8. V= A = 800 π 2 2 = 12.7 ft S 4. A company is contracted to design a semicircular open channel flow system to convey water directly from point A to point B, as illustrated below. The design flow rate is 800 ft³/s. a. What is the expected channel radius for corrugated metal (n= 0.022)? b. What is the corresponding velocity? 200 ft B 5 miles

k 2 1 - 32 1. Correct equation: Q = -ARS 2. k = 1.49 n ho 3 ft 3. Q = 800 n = 0.022 S 200 4. S = = 0.007576 0 5+5280 2 πρ 5. A = 2 A πη 6. R. == = h P 2πη 12 7. Solve for r algegraically and get r = = 6.33 ft Q 8. V= A = 800 π 2 2 = 12.7 ft S 4. A company is contracted to design a semicircular open channel flow system to convey water directly from point A to point B, as illustrated below. The design flow rate is 800 ft³/s. a. What is the expected channel radius for corrugated metal (n= 0.022)? b. What is the corresponding velocity? 200 ft B 5 miles

Traffic and Highway Engineering
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter16: Highway Drainage
Section: Chapter Questions
Problem 13P
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k 2 1 - 32 1. Correct equation: Q = -ARS 2. k = 1.49 n ho 3 ft 3. Q = 800 n = 0.022 S 200 4. S = = 0.007576 0 5+5280 2 πρ 5. A = 2 A πη 6. R. == = h P 2πη 12 7. Solve for r algegraically and get r = = 6.33 ft Q 8. V= A = 800 π 2 2 = 12.7 ft S
Transcribed Image Text:k 2 1 - 32 1. Correct equation: Q = -ARS 2. k = 1.49 n ho 3 ft 3. Q = 800 n = 0.022 S 200 4. S = = 0.007576 0 5+5280 2 πρ 5. A = 2 A πη 6. R. == = h P 2πη 12 7. Solve for r algegraically and get r = = 6.33 ft Q 8. V= A = 800 π 2 2 = 12.7 ft S
4. A company is contracted to design a semicircular open channel flow system to convey water directly from point A to point B, as illustrated below. The design flow rate is 800 ft³/s. a. What is the expected channel radius for corrugated metal (n= 0.022)? b. What is the corresponding velocity? 200 ft B 5 miles
Transcribed Image Text:4. A company is contracted to design a semicircular open channel flow system to convey water directly from point A to point B, as illustrated below. The design flow rate is 800 ft³/s. a. What is the expected channel radius for corrugated metal (n= 0.022)? b. What is the corresponding velocity? 200 ft B 5 miles
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