A trapezoidal channel 6.3 m wide and 1.1 m water depth has a bed slope of 1 in 900 and side slope of 55°. Determine the discharge when Manning's n=0.012. If it is desired to increase the discharge to a maximum by changing the size of the channel but keeping the same quantity of lining (the same wetted perimeter). Determine the new dimensions and percentage increase in discharge and draw the specific energy diagram for the flow condition

A trapezoidal channel 6.3 m wide and 1.1 m water depth has a bed slope of 1 in 900 and side slope of 55°. Determine the discharge when Manning's n=0.012. If it is desired to increase the discharge to a maximum by changing the size of the channel but keeping the same quantity of lining (the same wetted perimeter). Determine the new dimensions and percentage increase in discharge and draw the specific energy diagram for the flow condition

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Fluid Materials

In general terms, anything that flows can be termed as a fluid. In other words, a fluid is any substance that cannot resist shear forces and deforms continuously under the application of external shear forces. Fluid materials differ completely from solid materials such as metals and alloys. For instance, if we consider two infinitesimally small cross-sectional areas of fluid materials and solid materials, and apply shear forces to these elements, both the elements will undergo deformation. Upon releasing the shear force, the element of the solid materials will regain its original orientation, but the element of the fluid materials will keep on deforming continuously under the action of the shear force.

Question

Subject : Fluid mechanics

Please read the question carefully and give me right solution according to the question. Thank you

A trapezoidal channel 6.3 m wide and 1.1 m water
depth has a bed slope of 1 in 900 and side slope of
55°. Determine the discharge when Manning's
n=0.012. If it is desired to increase the discharge
to a maximum by changing the size of the channel
but keeping the same quantity of lining (the same
wetted perimeter). Determine the new
dimensions and percentage increase in discharge
and draw the specific energy diagram for the flow
condition

Branch of science that deals with the stationary and moving bodies under the influence of forces.

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