Pressure ?

  • Thread starter charlie95
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  • #1
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Pressure ???

If you have a heat exchanger. On the Shell side you have nitrogen gas at 35 bar, and on the tube side you have water at 5 bar.
Is it possible to get water into the nitrogen side???

I know the answer is yes, but I do not understand why. Is there someone who have a simple explanaton for this???
 

Answers and Replies

  • #2
35,720
12,300
If you bring some nitrogen to the other side at the same time or use some power supply, it is fine. I don't see the relation to a heat exchanger: Where is a temperature difference?
 
  • #3
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temperature do not matter in this case. I only wanted to know if you have gas at high pressure on one side of heatexchanger/cooler/heater and water at low pressure one the other side if there is possible to get Liquid into the gas phase????? temperature do not matter in this case.
 
  • #4
35,720
12,300
See above:
If you bring some nitrogen to the other side at the same time or use some power supply, it is fine.
 
  • #5
CWatters
Science Advisor
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Water is (reasonably) incompressible so it would it take much nitrogen leaking into the water side to equalise the pressure?
 
  • #6
35,720
12,300
Probably not, but if you want to let water out (to go the the nitrogen-side), you have to fill the volume with nitrogen or reduce the volume with external* power.

*can be gained by an expansion of the nitrogen-side.
 

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