4 research outputs found
The Saturated and Supercritical Stirling Cycle Thermodynamic Heat Engine Cycle
On the assumption that experimentally validated tabulated thermodynamic
properties of saturated fluids published by the National Institute of Standards
and Technology are accurate, a theoretical thermodynamic cycle can be
demonstrated that produces a net-negative entropy generation to the universe.
The experimental data on the internal energy can also be used to obtain a
simple, empirical equation for the change in internal energy of a real fluid
undergoing isothermal expansion and compression. This demonstration provides
experimental evidence to the theory that temperature-dependent intermolecular
attractive forces can be an entropic force that can enhance the thermodynamic
efficiency of a real-fluid macroscopic heat engine to exceed that of the Carnot
efficiency.Comment: 27 pages, No figures, 21 tables, 52 reference