Timeline for A simple way to make liquid oxygen at home
Current License: CC BY-SA 4.0
3 events
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| Dec 14, 2020 at 16:36 | comment | added | David White | You are using a batch process, which means that you open your bottle one time to achieve cooling. The Joule-Thompson effect will not be able to cool the contents of the bottle by 150-200 deg F in "one shot". Industrial processes do indeed use the J-T effect, but they highly compress air first, cool it to ambient temperature with a heat exchanger, THEN expand it to obtain low enough temperatures to liquify it, in a continuous process that uses recycle loops as necessary to achieve cryogenic temperatures. | |
| Dec 14, 2020 at 16:09 | comment | added | The Entity | sorry i just realised that your reasoning is a little bit faulty, you are not considering the cooling that would occur when I release the pressure inside the bottle (cooling due joule-thompson effect) or correct me if I am wrong | |
| Dec 14, 2020 at 16:05 | history | answered | David White | CC BY-SA 4.0 |