Principles of Flight
Classified in Geology
Written at on 
English with a size of 1.61 KB.
properties of open channel
The flow is under gravity.
q
q There will be a free surface for the
Flow open to atmosphere
q The position of the free surface can
Change in space and time
–Continuity (conservation of mass)
–Energy
–
•For problems
Involving steady uniform flow, continuity and energy principles are sufficient
roughness depends on:
•Roughness
Coefficient (n) is a function of:
•
–Channel material
–Surface irregularities
–Variation in shape
–Vegetation
–Flow conditions
–Channel obstructions
–Degree of meandering