Slide 8 - Personal Ftsl Itb Ac Id
Slide 8 - Personal Ftsl Itb Ac Id
Slide 8 - Personal Ftsl Itb Ac Id
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Saluran trapesium<br />
A = y (b + z y)<br />
b = A/y – z y<br />
P = b + 2y (1 + z 2 ) 0,5<br />
= A/y – z y + 2y (1 + z 2 ) 0,5<br />
dP/dy = - A/y 2 – z + 2 (1 + z 2 ) 0,5 = 0<br />
A = ( 2 (1 + z 2 ) 0,5 - z ) . y 2<br />
( 2 (1 + z 2 ) 0,5 - z ) . y 2<br />
R maks = -------------------------<br />
A/y – z y + 2y (1 + z 2 ) 0,5<br />
( 2 (1 + z 2 ) 0,5 - z ) . y 2<br />
R maks = -------------------------<br />
( 2 (1 + z 2 ) 0,5 - z ) . y 2 /y – z y + 2y (1 + z 2 ) 0,5<br />
R maks = y / 2
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