Is a Stirling Cycle Engine Still Valid with an Open Cold Reservoir?

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SUMMARY

The discussion centers on the validity of a Stirling cycle engine design that incorporates an open cold reservoir, specifically one that exchanges air with the ambient environment. Participants assert that such a configuration would still qualify as a Stirling cycle engine, albeit as an open system rather than a closed one. The implications of this design choice include potential impacts on efficiency and operational characteristics, which warrant further exploration.

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  • Understanding of Stirling cycle thermodynamics
  • Familiarity with engine design principles
  • Knowledge of heat exchange mechanisms
  • Basic concepts of open versus closed thermodynamic systems
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  • Investigate design modifications for optimizing open cold reservoir systems
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Engineers, thermodynamics students, and researchers interested in alternative engine designs and the operational principles of Stirling cycle engines.

NateTG
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Let's say that I have a stirling motor designed in such a way that the cold reservoir is always at standard temperature and pressure (or at least very close to it).

So, if I were to put a hole in the cold reservoir there should be no effect on the engine running, but it might exchange air with the outside world (due to diffusion or turbulence or something) -- in fact, the cold reservoir could just be an opening to the ambient air.

Would the resulting engine still qualify as a stirling cycle engine?
 
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I believe is would qualify as a Stirling cycle - and perhaps it would be considered open as opposed to closed.
 

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