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Punk113
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Join Date: Nov 2009
Posts: 6

boiler

12/02/2009 6:28 PM

how do you calculate the minimum diameter of a delivery pipe? given the generation of steam per hour and the velocity of steam does not exceed 20 m/s in the pipe....??????????????
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ducon
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Join Date: Dec 2006
Location: Hop around Toronto, New York & Karachi
Posts: 1876
Good Answers: 19
#1

Re: boiler

12/02/2009 11:32 PM

Q = 3.142/4 X A squared X V X 3600/1000000

Q = M3/HR A = MM V = VELOCITY M/S

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Codemaster
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Join Date: Jul 2005
Location: Stoke-on-Trent, UK
Posts: 4496
Good Answers: 137
#2

Re: boiler

12/03/2009 4:40 AM

Hello Punk113

You need to know the specific volume of the steam to find the volume flow (= mass flow x specific volume). Specific volume depends on the pressure and temperature (which of course are related for saturated steam). You can find it from this link.

http://www.spiraxsarco.com/resources/steam-tables/saturated-steam.asp

Cheers.....Codey

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