Can a Vortex Tube Be Reversed to Generate Compressed Air?

AI Thread Summary
Using a vortex tube in reverse by sending hot and cold air into opposing sides may not effectively generate compressed air from the gas input port. The process could theoretically trick a gas into moving from low pressure to high pressure, but this would result in significant energy waste. The efficiency of such a system is questionable, and practical applications may be limited. Overall, reversing a vortex tube for compressed air generation is not a viable solution. The discussion highlights the challenges and inefficiencies associated with this concept.
ejnovek
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If atmospheric pressure hot and cold air are sent into the opposing sides of a vortex tube (the ports normally used for gas outlet), will compressed air be generated/released from the hole/port normally used for gas input?

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The reverse of the system above (cold and hot air enter from opposing ends and compressed air is sent out).
 
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ejnovek said:
compressed air be generated/released from the hole/port normally used for gas input?
"Strictly?" "Trick" a gas into flowing from low-P to high-P by mixing hot and cold streams? Not without significant waste.
 

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