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Derive the conditions for most economical Circular section of channel.
written 6.3 years ago by gravatar for mitali.poojari1908 mitali.poojari1908 • 400 modified 2.2 years ago by gravatar for RakeshBhuse RakeshBhuse • 3.2k
applied hydraulics
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written 2.2 years ago by gravatar for RakeshBhuse RakeshBhuse • 3.2k •   modified 2.2 years ago

In case of circular channel, the most economical section has following conditions :

  1. Maximum Velocity

  2. Maximum Discharge

Let

$d=$ depth of water,

$2 \theta=$ angle subtended at the centre by water surface

$R=$ radius of channel, and

$i=$ slope of the bed,

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1. Condition for maximum velocity :

The velocity …

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