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I would like to ask the experts: can nitrogen expansion under reduced pressure be used for cooling?

2022-06-06View Original

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I would like to ask the experts: can nitrogen expansion under reduced pressure be used for cooling?
Reply #22022-06-06
After undergoing adiabatic throttling expansion, nitrogen experiences a certain degree of temperature drop. However, trying to use this thermal effect for cooling is somewhat like trying to fish by climbing a tree – the amount of cooling that occurs as a result of the gas expanding and doing work is extremely limited. This is true unless the adiabatic system is made to operate in an ideal condition, and a large amount of nitrogen is used.

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