Jack -
A K factor (in sprinkler world) is an expression of the relationship
between pressure and discharge, as"
K is equal to the DISCHARGE / SQUARE ROOT of PRESSURE
Note that the formula is not based on actual square root, but on a log
of 1.54 Square root is accepted in place of 1.54.
That ana answere?
At 04:36 PM 5/3/2013, you wrote:
Here's a Friday question that was asked of me: What's a K-Factor?
The Brock Hydraulics book states it is the discharge coefficient,
but I can't find it in NFPA 13. Am I missing it?
Jack Fairchild
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