Answer everything, need urgently Sketch the Specific Energy Diagram, and show that for a given open channel and discharge, the SpecificEnergy has a minimum value at Critical Depth. State the assumptions made.5(а)5(b)Work from first principles and show that the minimum width of constriction in a rectangular channel,Bmin , for a given discharge, Q, which would not affect upstream water level can be expressed as:B.'min8.V 27Where E, is the upstream specific energy.Ignore bed slope and energy losses.A bridge is to be constructed across a rectangular canal of width 30 m carrying a discharge of 35m°s' ata depth of 2.1m under uniform flow conditions. In an attempt to reduce the span of the bridge, it isproposed to narrow the canal at the bridge site. What is the minimum possible canal width which wouldhave no influence on the upstream depth of flow? Ignore bed slope and energy losses due to friction andcanal transitions.5(c)

The Specific Energy Diagram is shown below: The assumptions are: 1. The channel bed is horizontal.…

Sketch the Specific Energy Diagram, and show that for a given open channel and discharge, the Spec Energy has a minimum value at Critical Depth. State the assumptions made. 5(а) Work from first principles and show that the minimum width of constriction in a rectangular channel Bmin , for a given discharge, Q, which would not affect upstream water level can be expressed as: 5(b) B.

Sketch the Specific Energy Diagram, and show that for a given open channel and discharge, the Spec Energy has a minimum value at Critical Depth. State the assumptions made. 5(а) Work from first principles and show that the minimum width of constriction in a rectangular channel Bmin , for a given discharge, Q, which would not affect upstream water level can be expressed as: 5(b) B.

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter7: Seepage

Section: Chapter Questions

Problem 7.1P

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