Behaviour of Cryogenic Liquid Nitrogen
Behaviour of Cryogenic Liquid Nitrogen
(OP)
What will happen to liquid nitrogen in a storage vessel if the pressure is increased beyond its critical point pressure (33.99 bar abs)? Will it remain as liquid?





RE: Behaviour of Cryogenic Liquid Nitrogen
RE: Behaviour of Cryogenic Liquid Nitrogen
Thanks for your reply. Does this means above the critical temperature, will it remain as liquid?
RE: Behaviour of Cryogenic Liquid Nitrogen
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It might be considered to be a gas whose density is that of the liquid at the critical point.
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RE: Behaviour of Cryogenic Liquid Nitrogen
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RE: Behaviour of Cryogenic Liquid Nitrogen
Assuming the initial temperature is -320F and pressure is atmospheric (14.69 psia), it will just remain a liquid until the critical temperature is reached due to heat transfer in the vessel. Then once you reach the critical temperature and stay above the critical pressure, it will be a supercritical fluid.
RE: Behaviour of Cryogenic Liquid Nitrogen