Intro Open Channel

# Intro Open Channel - Irrigation Training and Research...

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1 Irrigation Training and Research Center ITRC Cal Poly California Polytechnic State University San Luis Obispo Basic Equations CANALS ITRC Cal Poly

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2 Units flow rate volume head ITRC Cal Poly Units flow rate volume head Ordered Charged Delivered ITRC Cal Poly 10 ft head 20 ft delivered 0.5 ft over field
3 Units flow rate volume head Ordered Charged Delivered ITRC Cal Poly 10 ft head 20 ft delivered 0.5 ft over field 10 cfs 20 acre-feet Basic Equation 1 Velocity = distance tim ITRC Cal Poly time

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4 ITRC Cal Poly ITRC Cal Poly
5 Basic Equation 2 Flow rate = velocity x channel area Q= V x A ITRC Cal Poly Q = V x Basic Equation 3 Volume = flow rate x time ITRC Cal Poly

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6 Quiz Velocity (ft/s) = distance (ft) time (s) ITRC Cal Poly Orange travels 20 feet in 10 seconds. What is the velocity? Quiz Flow rate (cfs) = velocity (ft/s) x channel area (sq ft) ITRC Cal Poly The velocity is 2 ft/s in a 6 feet wide on top, 2 feet on bottom and 2 feet deep channel. What is the flow rate?
7 Quiz Vl f l t t i Volume = flow rate x time Volume (acre feet) = flow rate (cfs) x time (hrs) / 12.1 ITRC Cal Poly The flow rate is 16 cfs and is delivered for 7 hours. What is the volume?

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Intro Open Channel - Irrigation Training and Research...

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