Numerical calculation and experimental study on friction and lubrication of Stirling engine piston ring

To solve the practical problem of Stirling engine piston ring, numerical model on friction and lubrication were established based on average Reynolds equation theory. Numerical calculation results show: piston rings are in the mixed lubrication state which gas lubrication film and micro-convex body...

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Autores principales:	Songjian Li, Wei Zheng, Wei Xu, Hong Ling
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	polymer piston ring numerical calculation contact model Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/0a190bbf3c47427fa6e3660e305ab56c
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spelling	oai:doaj.org-article:0a190bbf3c47427fa6e3660e305ab56c2021-11-08T15:18:56ZNumerical calculation and experimental study on friction and lubrication of Stirling engine piston ring2267-124210.1051/e3sconf/202131302002https://doaj.org/article/0a190bbf3c47427fa6e3660e305ab56c2021-01-01T00:00:00Zhttps://www.e3s-conferences.org/articles/e3sconf/pdf/2021/89/e3sconf_isec2021_02002.pdfhttps://doaj.org/toc/2267-1242To solve the practical problem of Stirling engine piston ring, numerical model on friction and lubrication were established based on average Reynolds equation theory. Numerical calculation results show: piston rings are in the mixed lubrication state which gas lubrication film and micro-convex body contact existing simultaneously; contact pressure is 2 orders of magnitude less than gas film pressure; contact pressure is approximately linearly related to mean gas pressure. Simulated test rig was built and experimental results show: high-pressure working gas leak to intermediate chamber through piston rings, and the pressure of intermediate chamber drops sharply at lowest pressure of circulation; piston ring wear increases when rotational speed or working pressure increase. The accuracy of numerical model was proved by experimental phenomena and test data.Songjian LiWei ZhengWei XuHong LingEDP Sciencesarticlepolymer piston ringnumerical calculationcontact modelEnvironmental sciencesGE1-350ENFRE3S Web of Conferences, Vol 313, p 02002 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	polymer piston ring numerical calculation contact model Environmental sciences GE1-350
spellingShingle	polymer piston ring numerical calculation contact model Environmental sciences GE1-350 Songjian Li Wei Zheng Wei Xu Hong Ling Numerical calculation and experimental study on friction and lubrication of Stirling engine piston ring
description	To solve the practical problem of Stirling engine piston ring, numerical model on friction and lubrication were established based on average Reynolds equation theory. Numerical calculation results show: piston rings are in the mixed lubrication state which gas lubrication film and micro-convex body contact existing simultaneously; contact pressure is 2 orders of magnitude less than gas film pressure; contact pressure is approximately linearly related to mean gas pressure. Simulated test rig was built and experimental results show: high-pressure working gas leak to intermediate chamber through piston rings, and the pressure of intermediate chamber drops sharply at lowest pressure of circulation; piston ring wear increases when rotational speed or working pressure increase. The accuracy of numerical model was proved by experimental phenomena and test data.
format	article
author	Songjian Li Wei Zheng Wei Xu Hong Ling
author_facet	Songjian Li Wei Zheng Wei Xu Hong Ling
author_sort	Songjian Li
title	Numerical calculation and experimental study on friction and lubrication of Stirling engine piston ring
title_short	Numerical calculation and experimental study on friction and lubrication of Stirling engine piston ring
title_full	Numerical calculation and experimental study on friction and lubrication of Stirling engine piston ring
title_fullStr	Numerical calculation and experimental study on friction and lubrication of Stirling engine piston ring
title_full_unstemmed	Numerical calculation and experimental study on friction and lubrication of Stirling engine piston ring
title_sort	numerical calculation and experimental study on friction and lubrication of stirling engine piston ring
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/0a190bbf3c47427fa6e3660e305ab56c
work_keys_str_mv	AT songjianli numericalcalculationandexperimentalstudyonfrictionandlubricationofstirlingenginepistonring AT weizheng numericalcalculationandexperimentalstudyonfrictionandlubricationofstirlingenginepistonring AT weixu numericalcalculationandexperimentalstudyonfrictionandlubricationofstirlingenginepistonring AT hongling numericalcalculationandexperimentalstudyonfrictionandlubricationofstirlingenginepistonring
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Numerical calculation and experimental study on friction and lubrication of Stirling engine piston ring

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