Influences of nonlinear parameters on the performance of a free‐piston Stirling engine
Wenlian Ye,
Weijie Wang,
Yuqin Yan
et al.
Abstract:This study presents a thermodynamic–dynamic model of a free‐piston Stirling engine (FPSE) with nonlinear coefficients of spring, load damping, and pressure for working spaces. The effects of the nonlinear coefficients of hardening and softening springs on the movement and operating frequency of a displacer and piston are investigated. Subsequently, the influences of the nonlinear pressure terms of the working space and buffer spaces, as well as the nonlinear coefficients of the load on the amplitudes of the tw… Show more
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