Preprint Article Version 1 This version is not peer-reviewed

Analysis of a second order thermodynamic model for the performance analysis of a Stirling engine prototype

Version 1 : Received: 2 August 2018 / Approved: 2 August 2018 / Online: 2 August 2018 (10:13:50 CEST)

A peer-reviewed article of this Preprint also exists.

Torres García, M.; Carvajal Trujillo, E.; Vélez Godiño, J.A.; Sánchez Martínez, D. Thermodynamic Model for Performance Analysis of a Stirling Engine Prototype. Energies 2018, 11, 2655. Torres García, M.; Carvajal Trujillo, E.; Vélez Godiño, J.A.; Sánchez Martínez, D. Thermodynamic Model for Performance Analysis of a Stirling Engine Prototype. Energies 2018, 11, 2655.

Journal reference: Energies 2018, 11, 2655
DOI: 10.3390/en11102655

Abstract

The Stirling engine is a simple type of external-combustion engine with an external combustion engine based on cyclic compression and expansion of gas at different temperature levels. It has high efficiency; low vibration levels, simple structure and can run on any combustible fuels. It has been the object of numerous studies. This paper presents an analysis of a Stirling engine model GENOA 03 for electric power generation, of 3 KW of nominal power with pressurized air as working fluid, currently under development. To improve its performance and ensure a good operational reliability, it is necessary to carry out a modelling of the engine in all its operating range. This requires complex numerical models that simulate the behaviour of any element of the engine in a cycle. Two typologies of thermodynamic models are developed in this work: isothermal and adiabatic. The main benefits and shortcomings of each model are mentioned. The geometry and conditions of the engine have been adapted through the Matlab ® tool, in order to obtain the operative conditions of the cooler that you want to replace, as well as an approximation to the expected behaviour.

Subject Areas

Stirling engine, combustion, themodynamic model

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