Create an account to leave a comment.
Already have an account?
Gravis, you just want to suck the joy out of everything...
Are you sure? yes | no
also, for just a cooler: https://www.youtube.com/watch?v=BjQoJujxMcU
The second project is actually a big hulking Joule-Thomson-like LN2 generator and the first is a cascaded compressor setup with different refrigerants.
Maybe I was a bit imprecise.
What I actually mean, are (relative) miniature cryocooler device like these:
The above two projects are certainly stunning individual cases. However, it is not that cryogenics is a solved DIY problem. But I think there is hughe potential for progress in the DIY setting.
Why does it matter if it's big or small? If it works, it works. If you want the latest and greatest then pay for it or be the first to make a DIY version.
Reaching cryogenic temperatures is one of the things that makes of modern science ( biotechnology, physics ) and certain industries ( biomedical, aviation... ). possible. Without it, there would be no genetic engineering, modern IR detectors, space technology or even a working COVID vaccine.
However, to my knowledge and research there is no real working DIY or open source design for a cryogenic cooling device capable of reaching ultralow temepratures like −195.8° C / −320.4° F for liquid nitrogen without the use of prebuild cryocooling devices devices.
While Stirling refrigerators or Gifford-McMahon cryocoolers with Helium as a working gas most likely require difficult machining, Pulse-tube refrigerators and especially Joule-Thomson cryocoolers seen to be quite doable from a DIY standpoint with decent metalworking and tubing.
So...who builds the first working DIY cryocooler in the world...?
© 2023 Hackaday