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

Pipe Flow :

pipe-vs-open-channel

Open Channel Flow :

No. OPEN CHANNEL  FLOW PIPE FLOW
1 Flow occurs due to gravity . Flow occurs due to different in pressure .
2 The 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 .

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Hi there! My name is Ripon Chandra Malo. I am a Civil(Geotechnical) Engineer. I always love to learn new things and want to share what I learned. Also , I am a part-time blogger and freelancer. I will try to share my knowledge in the different fields of civil engineering. If you have any questions to ask then please contact with me.

4 Comments

  • Umair Ahmed Jan, November 29, 2017 @ 6:36 pm Reply

    how will be the diagrams of velocity profile for both open and close channels?

    • Ripon Chandra Malo, November 29, 2017 @ 7:16 pm Reply

      Thanks For your Comment Umair! I attach below the diagrams of velocity profile for both open and close channels

  • vijay kumar chaudhary, May 23, 2019 @ 5:10 am Reply

    which flow i will be say when pipe is not completely fill the cross section of pipe

    • howtceadmin, June 30, 2019 @ 4:33 pm Reply

      Thanks for your comment. Flowing through pipe is always pipe flow .

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