ISSN (0970-2083)

Research Article Open Access

CALCULATION STUDIES OF A FREE-PISTON STIRLING ENGINE

Abstract

This paper presents the results of calculation studies of a free-piston Stirling engine. They were done using our proposed method of calculation, which combines adiabatic calculation of the engine's thermodynamic parameters with dynamics of the displacer and working piston oscillations. The purpose of our work is to determine the basic thermodynamic parameters of a free-piston Stirling engine, parameters of the displacer/working piston oscillation system and the range of payload changes, which collectively make it possible to create the necessary conditions for the self-oscillation process in the engine. We demonstrate the principles of determining the FPSE set point. The obtained characteristics of the self-oscillation process are the basis for development and fine-tuning of active control systems and an algorithm of the engine operation. The obtained results facilitate the choice of external load devices that would be well coordinated with the dynamic system of the FPSE. The possible load devices include power generators, pumps and compressors with linear action.

NIKOLAY ANATOLYEVICH KHRIPACH, DENIS ALEKSEEVICH IVANOV, LEV YURIEVICH LEZHNEV AND FEDOR ANDREEVICH SHUSTROV

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