Manifold Flow in Subirrigation Pipes

by Edwin Zsák, Mechanical Engineer; Formerly with Water Development and Irrig. Res. Comm., Ministry of Food, Agr. and Cooperatives, Tanzania,


Serial Information: Journal of the Hydraulics Division, 1971, Vol. 97, Issue 10, Pg. 1737-1746


Document Type: Journal Paper

Discussion: French Jonathan A. (See full record)

Abstract: Flow in subirrigation pipes as a particular case of manifold flow is analyzed. Approximate solutions for the longitudinal velocity and lateral outflow distributions are obtained in analytical form, and a similarity number characterizing the subirrigation flow pattern is defined. Simple formulas relating to the uniformity of lateral outflow distributions and to required supply head are derived. Experimental data support the usefulness of analytical results.

Subject Headings: Pipe flow | Irrigation | Pipes | Velocity distribution | Outflow | Case studies | Fluid velocity | Flow distribution

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