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The basic Differences between pipe flow and open channel Flow  are given below

 

Pipe Flow :

pipe flow vs open channel flow

pipe flow vs open channel flow

 

Open Channel Flow :

pipe flow vs open channel flow

 

 

No.OPEN CHANNEL  FLOWPIPE FLOW
1Flow occurs due to gravity .Flow occurs due to different in pressure .
2The maximum velocity occurs at a little distance below the water surface.The maximum velocity occur at the center of the pipe .
3.Cross section of open channel can be trapezoidal, triangular,rectangular ,circular etc.Cross section of pipe generally round .
4.HGL(Hydralic Gradient Line ) coincide with water surface line.HGL(Hydralic Gradient Line ) do not coincide top surface of the water

 

I just add four basic difference between pipe flow and open channel flow here . If you want to add some please ,post your comment below .

Thanks !

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