Free-Piston Stirling Engine Technologies and Models: A Review

The Stirling engine is an alternative solution to produce cleaner energy in order to achieve the reduction of the fossil fuel consumption and the CO<sub>2</sub> emissions. It comprises an external combustion engine that can convert any external heat source into mechanical power, through...

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Main Authors: Carmela Perozziello, Lavinia Grosu, Bianca Maria Vaglieco
Format: Article
Language:English
Published: MDPI AG 2021-10-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/14/21/7009
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author Carmela Perozziello
Lavinia Grosu
Bianca Maria Vaglieco
author_facet Carmela Perozziello
Lavinia Grosu
Bianca Maria Vaglieco
author_sort Carmela Perozziello
collection DOAJ
description The Stirling engine is an alternative solution to produce cleaner energy in order to achieve the reduction of the fossil fuel consumption and the CO<sub>2</sub> 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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spelling doaj.art-ee7177a41e3d4b3f921eca04160d8f7d2023-11-22T20:42:10ZengMDPI AGEnergies1996-10732021-10-011421700910.3390/en14217009Free-Piston Stirling Engine Technologies and Models: A ReviewCarmela Perozziello0Lavinia Grosu1Bianca Maria Vaglieco2Dipartimento di Ingegneria, Università degli Studi di Napoli “Parthenope”, Centro Direzionale, Isola C4, 80143 Napoli, ItalyLaboratory of Energetic, Mechanic and Electromagnetism, LEME, University of Paris Nanterre, 50 Rue de Sèvres, 92410 Ville d’Avray, FranceIstituto di Scienze e Tecnologie per l’Energia e la Mobilità Sostenibili, Consiglio Nazionale delle Ricerche, Via G. Marconi, 4, 80125 Napoli, ItalyThe Stirling engine is an alternative solution to produce cleaner energy in order to achieve the reduction of the fossil fuel consumption and the CO<sub>2</sub> 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.https://www.mdpi.com/1996-1073/14/21/7009free piston Stirling engineapplicationsrenewable energymicro-CHPmodeling
spellingShingle Carmela Perozziello
Lavinia Grosu
Bianca Maria Vaglieco
Free-Piston Stirling Engine Technologies and Models: A Review
Energies
free piston Stirling engine
applications
renewable energy
micro-CHP
modeling
title Free-Piston Stirling Engine Technologies and Models: A Review
title_full Free-Piston Stirling Engine Technologies and Models: A Review
title_fullStr Free-Piston Stirling Engine Technologies and Models: A Review
title_full_unstemmed Free-Piston Stirling Engine Technologies and Models: A Review
title_short Free-Piston Stirling Engine Technologies and Models: A Review
title_sort free piston stirling engine technologies and models a review
topic free piston Stirling engine
applications
renewable energy
micro-CHP
modeling
url https://www.mdpi.com/1996-1073/14/21/7009
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