Brief Report
Oct 1982
Internal Hydraulic Jump in Stratified Counterflow
Publication: Journal of the Engineering Mechanics Division
Volume 108, Issue 5
Abstract
Based on a Boussinesq approximation of the governing momentum equations for an internal hydraulic jump in a two-layer counterflow, two important properties of an equal counterflow are demonstrated analytically. Corresponding to a given supercritical upstream state, there can be either two possible downstream conjugate states within the physically realizable range, or none at all. Further, the energy loss criterion across the jump is always satisfied. Consequently, the uniqueness of the downstream state cannot be determined by energy considerations, as done previously for the internal jump in a coflowing stratified flow. Physical arguments, coupled with some experimental observations indicate strongly that the conjugate state closer to the upstream state is the one that will be physically realized. The concept presented herein has been successfully applied to the study of stability and mixing of buoyant discharges in shallow water.
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Published In
Journal of the Engineering Mechanics Division
Volume 108 • Issue 5 • October 1982
Pages: 986 - 990
Copyright
© 1982 American Society of Civil Engineers.
History
Published in print: Oct 1982
Published online: Feb 3, 2021
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Authors
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Joseph H.W. Lee, AM.ASCE
Lect., Dept. of Civ. Engrg., Univ. of Hong Kong, Hong Kong
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.