Body-fitted coordinates for flow under sluice gates

Jacob H. Masliyah*, K. Nandakumar, F. Hemphill, L. Fung

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


A boundary-fitted coordinates method was successfully employed in the evaluation of the discharge coefficients, as well as the free-surface profiles, for vertical and radial sluice gates for an ideal fluid. The values of the discharge coefficients and the free upstream and downstream surface profiles are in good agreement with the literature. Some details of the flow, such as the velocity profiles and the bed pressure deficit upstream of the gate, can also be predicted accurately. The boundary-fitted coordinates method was demonstrated to be a viable method in the study of fluid flow with initially unknown discharge and unknown free-surface profiles.

Original languageEnglish
Pages (from-to)922-933
Number of pages12
JournalJournal of Hydraulic Engineering
Issue number6
StatePublished - Jun 1985
Externally publishedYes


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