Open channel flow problem for a rectangular channel. For a wide rectangular channel: Channel Width = 50 feet Flow rate= 250 cfs Channel slope= 0.0004 ft/ft Manning’s n=0.03 Vary the flow depth from 0.2 feet to 5 feet. Compute and plot the specific energy curve. c. At normal depth will disturbances propagate upstream (i.e. downstream control)? d. If the flow depth at a location was 2 feet: a. What type of backwater curve would this flow depth be on? b. Would the flow depth be getting deeper or shallower in the downstream direction? c. Which direction would backwater computations progress (upstream to downstream or downstream to upstream)? ANSWER AND EXPLAIN FOR A GOOD RATE!
Open channel flow problem for a rectangular channel. For a wide rectangular channel: Channel Width = 50 feet Flow rate= 250 cfs Channel slope= 0.0004 ft/ft Manning’s n=0.03
Vary the flow depth from 0.2 feet to 5 feet.
Compute and plot the specific energy curve.
c. At normal depth will disturbances propagate upstream (i.e. downstream control)?
d. If the flow depth at a location was 2 feet:
a. What type of backwater curve would this flow depth be on?
b. Would the flow depth be getting deeper or shallower in the downstream direction?
c. Which direction would backwater computations progress (upstream to downstream or downstream to upstream)?
ANSWER AND EXPLAIN FOR A GOOD RATE!
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