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Design of a Self-Regulating Flap Gate

by Richard N. Weisman, Lehigh Univ, Bethlehem, United States,
Samuel W. Miller, Lehigh Univ, Bethlehem, United States,
Bruce W. Lawler, Lehigh Univ, Bethlehem, United States,
Mary Mullusky, Lehigh Univ, Bethlehem, United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

The objective of the research reported here is to improve the design of a flap gate whose function is to maintain a constant upstream water level over a wide range of flow rates. The self-regulating aspects of the gate are accomplished using a simple counter-weight system. Experiments were performed to assess the required closing moment to achieve a selected upstream water depth for specified flow rates. An appropriate moment arm - counter weight system could then be designed.

Subject Headings: Gates (hydraulic) | Flow rates | Hydraulic design | Water level | Rivers and streams | Laws and regulations | Control systems

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