00:01
So, velocity of the flow that is v this is equal to q by a this is 120 into 10 raised to the power minus 3 by 60 divided by pi by 4 into 0 .03 to the whole square.
00:18
So, we get v as 2 .83 meter per second.
00:25
Now, the reynolds number that is re this is equal to 2 .83 into 0 .03 divided by 0 .0001.
00:42
So, we get re as 849.
00:46
Now the reynolds number is less than 2000.
00:49
So, friction factor that is f this is equal to 64 by re that is 849.
00:59
So, friction factor is 0 .075.
01:03
Now k factor for fittings involved 4 elbows k is equal to 0 .75 that is 3, 1 globe wall that is k 10 that is 10 by 13.
01:15
So, we say equivalent length for fittings that is lf this is equal to kd by f that is 13 into 0 .03 divided by 0 .075.
01:30
So, we get 5 .2 m and le that is the total equivalent length this is 20 plus 5 .2 that is pipeline length is 20 and 5 .2 is lf.
01:44
So, we get 25 .2 m...