Calculation for draining a tank
Calculation for draining a tank
(OP)
I would like to know the calculation for finding the time to drain a static, atmospheric tank of water to a pit, which is also at atmospheric pressure. Can anyone help? Please include friction loss and minor losses.





RE: Calculation for draining a tank
Good luck,
Latexman
RE: Calculation for draining a tank
Thanks for information. I had looked at the site you gave me, but I was also looking for the actual calculation so that I can check the answers by hand.
RE: Calculation for draining a tank
The FreeCalc linh has a reference to a Chem. Eng. article giving the basis which should fulfill your needs.
Klem
RE: Calculation for draining a tank
Chemical Engineering, May 15, 1972 Plant Notebook :"Timing gravity flow from vertical tanks" by E.P. Lynch.
Chemical Engineering, Jan 1989. "Drainig Tanks: How long does it really take ?" by Shoaei and Sommerfeld (with references).
Good luck.
RE: Calculation for draining a tank
IN THAT BOOK DESCRIBE TIME DISCHARGE (DRAINING)
PLEASE SEE THAT BOOK
RE: Calculation for draining a tank
-The liquid is falling at a rate of more than 1 m/s
-When the outflowing speed is greater than 3 m/s
-When the level is low
-When the drain connection is located away from the tank
walls in large diameter tanks
-When there are large quantities of gas dissolved in the
draining liquid
-When the liquid inlet induces rotation
-When the liquids are near their boiling points
-When Coriolis effects may somehow influence the flow
RE: Calculation for draining a tank
Klem
RE: Calculation for draining a tank
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