Design of a Free Piston Stirling Engine Power Generator

Li, Ruijie; Gao, Yuan; Yanaga, Koji; Qiu, Songgang

doi:10.1115/imece2019-10403

Cited by 2 publications

(2 citation statements)

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“…Li et al [97,98] proposed the CFD analysis to identify the best solutions in terms of engine structure and heat exchanger dimensions of a FPSE similar to TDC. A new displacer, piston housing cold heat exchanger and regenerator were designed.…”

Section: 𝑀 𝑥 = (𝑝 − 𝑝 )𝐴 − 𝐶 + 𝐶 𝑥mentioning

confidence: 99%

Free-Piston Stirling Engine Technologies and Models: A Review

Perozziello

Grosu

Vaglieco³

2021

Energies

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The Stirling engine is an alternative solution to produce cleaner energy in order to achieve the reduction of the fossil fuel consumption and the CO2 emissions. It comprises an external combustion engine that can convert any external heat source into mechanical power, through cyclic expansion and compression of a working gas in a closed-regenerative cycle, with or without driving mechanisms. The free-piston Stirling Engine is significantly preferred because of the absence of any mechanical linkage resulting in longer operating life, lower noise pollution, maintenance and vibration free, self-starting and high thermal efficiency. The aim of this paper is to summarize the research works on the free-piston Stirling engine technologies and models. First, the working principles of the free-piston Stirling engine are described, identifying different configurations. Then, several applications are presented. Finally, a detailed review of the models available in literature is given, pointing out the main assumptions and equations.

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Section: 𝑀 𝑥 = (𝑝 − 𝑝 )𝐴 − 𝐶 + 𝐶 𝑥mentioning

confidence: 99%

Free-Piston Stirling Engine Technologies and Models: A Review

Perozziello

Grosu

Vaglieco³

2021

Energies

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“…Design of a domestic free piston Stirling-electric power system [19] Remote [21] Blocks of flats, schools, local heat production plats, woody industry.…”

Section: Focus Engine Configurationmentioning

confidence: 99%

Stirling Engine Configuration Selection

Egas

Clucas

2018

Energies

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Unlike internal combustion engines, Stirling engines can be designed to work with many drive mechanisms based on the three primary configurations, alpha, beta and gamma. Hundreds of different combinations of configuration and mechanical drives have been proposed. Few succeed beyond prototypes. A reason for poor success is the use of inappropriate configuration and drive mechanisms, which leads to low power to weight ratio and reduced economic viability. The large number of options, the lack of an objective comparison method, and the absence of a selection criteria force designers to make random choices. In this article, the pressure-volume diagrams and compression ratios of machines of equal dimensions, using the main (alpha, beta and gamma) crank based configurations as well as rhombic drive and Ross yoke mechanisms, are obtained. The existence of a direct relation between the optimum compression ratio and the temperature ratio is derived from the ideal Stirling cycle, and the usability of an empirical low temperature difference compression ratio equation for high temperature difference applications is tested using experimental data. It is shown that each machine has a different compression ratio, making it more or less suitable for a specific application, depending on the temperature difference reachable.

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Design of a Free Piston Stirling Engine Power Generator

Cited by 2 publications

References 0 publications

Free-Piston Stirling Engine Technologies and Models: A Review

Free-Piston Stirling Engine Technologies and Models: A Review

Stirling Engine Configuration Selection

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