E3S Web Conf.
Volume 313, 202119th International Stirling Engine Conference (ISEC 2021)
|Number of page(s)||19|
|Section||Thermodynamic Modelling and CFD Simulation|
|Published online||22 October 2021|
Stirling Thermodynamics using Phasor Notation
Stirling Ultracold, 6000 Poston Rd., Athens, OH 45701, USA
Phasor mathematics is used to develop the isothermal Stirling cycle and extended to the ideal adiabatic Stirling cycle. The results are developed for piston – piston (alpha) machines and displacer – piston (beta and gamma) machines. The effect of non-ideal regeneration is handled by defining a regenerator effectiveness ratio. The importance of the amplitude pressure ratio (pressure amplitude to the mean pressure) is developed and shown to be a useful parameter when evaluating the effect of dead volume or when applying simple cycle analyses. The analysis is developed for both power producing and cooling engines. The utility of these analyses is discussed with respect to calibrated results of real machines.
© The Authors, published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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