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Article Dans Une Revue Energy Année : 2014

Simulation, experimental validation and kinematic optimization of a Stirling engine using air and helium

Résumé

A Stirling engine with nominal output power of 1 kW is tested using air and helium as working gases. The influence of working pressure, engine speed and temperature of the hot source is studied, analyzing instantaneous gas pressure as well as instantaneous and stationary temperature at different positions to derive the effective power. A zero dimensional finite-time thermodynamic, three zones model of a generic Stirling engine is developed and successfully validated against experimental gas temperature and pressure in each zone, providing the effective power. This validation underlines the interest of different working gases as well as different geometric configurations for different applications. Furthermore, the validated model allows parametric studies of the engine, with regard to geometry, working gas and engine kinematics. It is used in order to optimize the kinematic of a Stirling engine for different working points and gases.
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Dates et versions

hal-02444231 , version 1 (17-01-2020)

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Juliette Bert, Daniela Chrenko, Tonino Sophy, Frédéric Sirot, Luis Le Moyne. Simulation, experimental validation and kinematic optimization of a Stirling engine using air and helium. Energy, 2014, 78, pp.701-712. ⟨10.1016/j.energy.2014.10.061⟩. ⟨hal-02444231⟩
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