W. Hall C Maxwell, Misganaw Demissie

Research output: Contribution to journalArticlepeer-review


A technique for controlling the flow to a vortex zone trapped between the top of a shallow submerged slot outlet, the free surface, and two lateral wing-walls is examined experimentally to show that it may be used to control the flow pattern near the slot outlet. The range of wing-wall crest elevations for which flow patterns may be controlled is shown to be a function of wing-wall length. The stability of the flow pattern is also examined experimentally and found to depend, for a particular wing-wall spacing, on the submergence of the slot outlet and on a Froude number based on average outlet velocity and wall spacing. The flow pattern control technique may have value in back-fitting some existing outfalls on thermal power plant outlets where strict temperature control is required.

Original languageEnglish (US)
Pages (from-to)1121-1134
Number of pages14
JournalASCE J Hydraul Div
Issue number10
StatePublished - Oct 1977

ASJC Scopus subject areas

  • Engineering(all)


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