Civil Engineering - Waste Water Engineering - Discussion
Discussion Forum : Waste Water Engineering - Section 2 (Q.No. 13)
13.
If the depth of partial flow in a sewer of diameter 2 m, is 50 cm, its wetted perimeter is
π
Discussion:
12 comments Page 2 of 2.
M.Sridevi said:
10 years ago
Wetted perimeter = πDθ/360.
Diameter D = 2 m.
For circular section running partially full:
Cos θ/2 = 1-2 d/D = 1-2 x 0.5/2 = 0.5.
θ = 120.
Therefore, Wetted perimeter = πx2x(120/360) = 2π/3.
Diameter D = 2 m.
For circular section running partially full:
Cos θ/2 = 1-2 d/D = 1-2 x 0.5/2 = 0.5.
θ = 120.
Therefore, Wetted perimeter = πx2x(120/360) = 2π/3.
(1)
Priyanka said:
1 decade ago
I want the explanation.
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