Pressure increase in a closed systemby DarkF1ame Tags: closed system, expansion, hydrostatic force, increase, pressure 

#1
Oct1713, 09:22 AM

P: 1

Hello All,
I work in the refrigeration industry, and I'm trying to put a hard number on a hypothetical situation. The situation is a lapse in SOP and liquid gets trapped in a line. For this hypothetical situation the line is 100% full. What would the increase in pressure be per degree? I know that the density (g/cm3) goes down as temperature is increased. So with a fixed mass, the cm3 number must go up to lower the overall density, but since the scenario is 100% full, my brain tells me that energy is getting transmitted into the pipe walls as pressure since it can't physically expand any more. What I can't figure out is how to enumerate that pressure gain. Any help would be greatly appreciated. For this example, the trapped liquid in the pipe is water. Thanks, Scott 



#2
Oct1713, 09:31 PM

Sci Advisor
HW Helper
Thanks
PF Gold
P: 4,502

Chet 


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