Uniform Flow | Irrigation Engineering - Civil Engineering (CE) PDF Download

Introduction


Consider a steady uniform flow of water in a channel whose bed has a slope, i.
Let A be the area of flow section, P the wetted perimeter and v the mean velocity of flow.
Velocity, v = C√mi
Where, C= Uniform Flow | Irrigation Engineering - Civil Engineering (CE) a constant depending on the shape and nature of channel.
m = A/P = hydraulic mean depth
C is a dimensioned constant having dimension L1/2T−1.
Value of C can be found out using following empirical formulae:

  • Bazin’s formula:
    Uniform Flow | Irrigation Engineering - Civil Engineering (CE)
    Where, K is a constant depending on the nature of channel surface.
  • Kutter’s formula:
    Uniform Flow | Irrigation Engineering - Civil Engineering (CE)
    Where, N = Kutter’s constant.
  • Manning’s formula:
    C = (1/N)m(1/6)
    Where, N = Roughness coefficient
    So, v = Uniform Flow | Irrigation Engineering - Civil Engineering (CE)

Uniform Flow | Irrigation Engineering - Civil Engineering (CE) 

The document Uniform Flow | Irrigation Engineering - Civil Engineering (CE) is a part of the Civil Engineering (CE) Course Irrigation Engineering.
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