The Energy Transformation Limit Theorem for Gas Flow Systems

Details The Energy Transformation Limit Theorem for Gas Flow Systems The Energy Transformation Limit Theorem for Gas Flow Systems

2011-10-12

arxiv.org/abs/1110.2565v1

Physics

Fluid Dynamics

11 pages, 4 figures

Scientific paper

The limit energy theorem which determines the possibility of transformation the energy flow in power systems in the absence of technical work is investigated and proved for such systems as gas lasers and plasmatrons, chemical gas reactors, vortex tubes, gas-acoustic and other systems, as well as a system of close stars. In the case of the same name ideal gas in the system the maximum ratio of energy conversion effectiveness is linked to the Carnot theorem, which in its turn is connected with the Nernst theorem. However, numerical analyses show that the class of flow energy systems is non-carnot one. The ratio of energy conversion effectiveness depends on the properties of the working medium; a conventional cycle in open-circuit is essentially irreversible. The proved theorem gives a more strongly worded II law of thermodynamics for the selected class of flow energy systems. Implications for astrophysical thermodynamic systems and the theory of a strong shock wave are discussed.

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