Experimental Investigation of Flow Over Side Weirs

by Ahmed El-Khashab, Lect. in Civ. Engrg.; Cairo Univ., Cairo, Egypt,
Kenneth V.H. Smith, (M.ASCE), Sr. Lect. in Hydr. Engrg.; Univ. of Southampton, Southampton, England,

Serial Information: Journal of the Hydraulics Division, 1976, Vol. 102, Issue 9, Pg. 1255-1268

Document Type: Journal Paper

Discussion: Yen Ben Chie (See full record)
Discussion: Sarginson Edward J. (See full record)
Discussion: Blaisdell Fred W. (See full record)
Closure: (See full record)

Abstract: Observations at numerous cross sections in a side weir channel showed that the total energy of flow decreases substantially along the channel, contrary to the assumption that has frequently been made. The decrease in total energy occurs because the longitudinal component of velocity of the spill flow is greater than the longitudinal velocity of the flow remaining in the channel. A satisfactory flow equation is derived from momentum principles and this is further developed into a computer technique for calculating flow profiles and spill discharges for side weirs.

Subject Headings: Weirs | Channel flow | Fluid velocity | Flow profiles | Computing in civil engineering | Water discharge |

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