Posted by V.Ganapathy on May 21, 2001 at 13:34:16:
In Reply to: steam blowdowns and friction loss posted by J Keeney on May 21, 2001 at 11:09:46:
: I have four steam boilers running at 80 psi. each one has a 2 inch blowdown valve connected to 15 feet of
: 2 inch steel pipe.I need to know how many gallon per minute this pipe can discharge. Also can anyone
: recomend a good book containing info for friction loss of various pipe and fittings.
: Thanks
The blow down line calculations involve two-phase flow pressure drop calculations.My book "Steam plant calculations manual" has these charts and examples to compute the blow down rate.
My web site has more information on the book.
http://vganapathy.tripod.com/boilers.html