Is directional gas flow possible in a circular closed pipe system?

AI Thread Summary
Directional gas flow in a circular closed pipe system can be achieved by heating specific points along the path, creating pressure differentials that drive the gas in a desired direction. While the system remains closed, the movement relies on thermal expansion and contraction of the gas, similar to the principles of a Stirling engine. The discussion emphasizes the importance of maintaining a continuous loop without introducing external devices. Overall, achieving controlled gas flow in such a system is theoretically possible with careful design and heating strategies. Understanding these principles can lead to innovative applications in fluid dynamics.
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If I have a series of pipes and containers (containing liquid) soldered together to create a circular path, and then heated at a particular point or multiple points, is it possible to somehow have the gas move in a particular direction without the gas every leaving the system? I'd prefer not to use any extra devices.
 
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This comes to mind, Its not circular, but similar to what you want.

Alpha_Stirling.gif


Beta_stirling_animation.gif


http://en.wikipedia.org/wiki/Stirling_engine
 
That would work, thanks!
 

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