Pressure drop
Pressure drop
(OP)
I have a 2"line with 10,000# of steam a 60 psig entering a 8" line that has 8,000# of 3 psi steam flowing in it in it. What pressure can I expect to see in the 8" line. A little above my head.
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RE: Pressure drop
If the 8 inch line were ever blocked, it WILL see a pressure surge, then at least a static pressure of 60 psig after the steam hammer stops. What is the pressure and temperature limits of the current 8 inch line?
RE: Pressure drop
RE: Pressure drop
If you're looking at a current 8000 lbs per hour? at 3 psi and you're going to add a further 10,000 lbs/hr, your total flow rate more than doubles, so your pressure drop will go up by a factor of about 4. however this then reduces the actual velocity of the steam and so you're probably looking at about double the current pressure drop, but simple to do a calculation using some proper steam software pressure drop calcs. Now it then depends if your supply of steam in the 8" line can cope with the increased back pressure or not. However your 2" line must somehow be controlled to 8000 lbs otherwise it will become open ended and reach near sonic velocity and lot more than 10,000 lbs/hr.
Try sketching this out so we can see what you mean then revert.
Remember - More details = better answers
Also: If you get a response it's polite to respond to it.
RE: Pressure drop
If "aimed" downstream like a venturi, the 2 inch flow will accelerate the LP steam slightly - IF it's going into a very large receiver.
But it smells like a homework problem..RE: Pressure drop
don't think it's homework - poppa has been registered since 2006...
The two systems as written are simply not compatible so needs a bit more info...
Remember - More details = better answers
Also: If you get a response it's polite to respond to it.