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Politics : Sioux Nation
DJT 14.53-1.8%Jan 23 9:30 AM EST

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To: koan who wrote (191956)5/18/2010 5:54:44 AM
From: Wharf Rat  Read Replies (1) of 362595
 
How big is the leaky pipe? Less than half the diameter you think it is, and flow varies with the 4th power of the radius...

"the origin of the leak is is the 9-inch drill pipe, which is currently lying within the (21") riser."

In this case, a pipe with a radius of 5" ( rounding up) will have a flow of X (the rest of the equation)) times 5 to the 4th power; 625; the pipe with the radius of 10 (rounding down) will allow flows of X times 10,000; a slight difference.
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