NDLI: Hydraulic jump structures in the presence of an ice sheet

Content Provider	Springer Nature Link
Author	Bakholdin, I. B.
Copyright Year	2000
Abstract	Jumps of the bore type arising in a fluid layer with an ice sheet are investigated. These jump structures are considered for a determining mechanism in the form of dispersion due to the presence of an ice sheet. For this purpose a generalized Korteweg-de Vires equation [1] is used. The structure of these jumps consists of a wave zone that expand with time. On the boundary of the wave zone there are transitions between uniform and periodic states which can be locally considered as jumps. Among them are jumps which can be regarded as steady in the coordinate system moving with the boundary of the wave zone. These are jumps between a sequence of solitons and a uniform state (jumps of soliton type) on the boundary of the wave zone and jumps between periodic and uniform states (jumps with radiation). In addition, there are jumps which are unsteady even from the standpoint of a local analysis. In order to investigate the effect of dissipation processes on the jumps considered a system of generalized Boussinesq equations is derived with allowance for bottom slope and bottom and ice friction. The jump damping process is investigated numerically. This system of equations also makes it possible to investigate undamped jumps of the floodwater wave type.
Starting Page	584
Ending Page	590
Page Count	7
File Format	PDF
ISSN	00154628
Journal	Fluid Dynamics
Volume Number	35
Issue Number	4
e-ISSN	15738507
Language	English
Publisher	Nauka/Interperiodica
Publisher Date	2000-01-01
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Fluids Mechanics, Fluids, Thermodynamics Mechanics Engineering Fluid Dynamics
Content Type	Text
Resource Type	Article
Subject	Fluid Flow and Transfer Processes Physics and Astronomy Mechanical Engineering

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