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365

This is a very old article but its always interesting when it pop's up again.

Archive: https://archive.today/CgdbI

From the post:

>I determined that there was no good tutorial on how the average person can liquefy nitrogen or air. A few references to cryocoolers, which use an internal helium Stirling engine to create a cold head exist, and I even saw one person use this as a means to liquefy nitrogen, allowing the gas to condenses as it passes over the head. This method is cheating because it relies on a self-contained refrigeration unit. I wanted to do this using regenerative cooling just like Carl Linde back in 1895.

This is a very old article but its always interesting when it pop's up again. Archive: https://archive.today/CgdbI From the post: >>I determined that there was no good tutorial on how the average person can liquefy nitrogen or air. A few references to cryocoolers, which use an internal helium Stirling engine to create a cold head exist, and I even saw one person use this as a means to liquefy nitrogen, allowing the gas to condenses as it passes over the head. This method is cheating because it relies on a self-contained refrigeration unit. I wanted to do this using regenerative cooling just like Carl Linde back in 1895.

(post is archived)

[–] • 1 pt

Out of curiosity, why? What would you do with Liquid Nitrogen?

[–] • 2 pts

This is America. You do what ever the fuck you want with it =)

[–] • 1 pt

In machining and metalwork there are instances where one may need to freeze a metal component for a really good press fit.

[–] • 1 pt

Causing it to contract, press fit, it expands when it warms back up. Interesting. I guess you better get it right the first time because it ain't coming back out!

[–] • 1 pt

Fight Batman.