CBSE BOARD X, asked by hearttickier, 8 months ago

* Design a regime Channel for a discharge of 35 m3/s
With Silt factor of 0.9 by Lacey's theory Side Slopes
as
1H: 2v.​

Answers

Answered by nani439821
1

Answer:

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Answered by suvimilan1316
0

Answer:

The perimeter of the channel is 28.10 m

Explanation:

Lacey's slit theory

Initial Regime

- Only the bed slope of the channel varies and the wetted perimeter remains unaffected. condition of non-silting and non-scouring occurs here.

- Lacey's slit theory isn't valid for the initial regime condition.

True Regime

- Only 1 channel section and bed slope exist for the true regime condition. It is ideal in nature and does not exist actually.

-  Lacey's slit theory is valid for true regime conditions.

Final Regime

- All the variables are liberal to vary and finally get adjusted according to discharge and silt grade then the channel is said to have achieved permanent stability.

- Lacey's slit theory is valid for the ultimate regime condition.

CALCULATION

P=4.75×√Q

where Q = discharge

given:

Q=35 m³/s

=4.75×√35

=4.75×5.9

=28.101 m.

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