Experimental evaluation of piston motion modification to improve the thermodynamic power output of a low temperature gamma Stirling engine

Stirling engines are a variety of heat engines which are capable of using heat from various sources including low temperature renewables. This work examines performance of a lab scale low temperature gamma type Stirling engine with a drive train modified with oval elliptical gears. The gears were ad...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Nicol-Seto Michael, Nobes David
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/7db9744a763e45f49bf6cb028d7e3511
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:7db9744a763e45f49bf6cb028d7e3511
record_format	dspace
spelling	oai:doaj.org-article:7db9744a763e45f49bf6cb028d7e35112021-11-08T15:18:57ZExperimental evaluation of piston motion modification to improve the thermodynamic power output of a low temperature gamma Stirling engine2267-124210.1051/e3sconf/202131304002https://doaj.org/article/7db9744a763e45f49bf6cb028d7e35112021-01-01T00:00:00Zhttps://www.e3s-conferences.org/articles/e3sconf/pdf/2021/89/e3sconf_isec2021_04002.pdfhttps://doaj.org/toc/2267-1242Stirling engines are a variety of heat engines which are capable of using heat from various sources including low temperature renewables. This work examines performance of a lab scale low temperature gamma type Stirling engine with a drive train modified with oval elliptical gears. The gears were added to dwell the engine piston motion to attempt to improve the thermodynamic performance of the engine by better replicating the ideal Stirling cycle. A variety of dwelling piston configurations were tested on both the displacer and power piston. It was observed that that the piston dwelling had the anticipated effect of changing the engine indicator diagrams to more closely resemble the ideal cycle, however there were no substantial improvements to maximum engine power. It was observed that dwelling the displacer piston caused substantial reductions to engine running speeds and resulted in maximum power being reduced. In the case of power piston dwelling the indicator diagram was enlarged and there were slight increases to maximum power production. Overall the added complexity of dwelled piston motion systems is not likely an advantageous method of increasing the power output of low temperature difference Stirling engines.Nicol-Seto MichaelNobes DavidEDP SciencesarticleEnvironmental sciencesGE1-350ENFRE3S Web of Conferences, Vol 313, p 04002 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	Environmental sciences GE1-350
spellingShingle	Environmental sciences GE1-350 Nicol-Seto Michael Nobes David Experimental evaluation of piston motion modification to improve the thermodynamic power output of a low temperature gamma Stirling engine
description	Stirling engines are a variety of heat engines which are capable of using heat from various sources including low temperature renewables. This work examines performance of a lab scale low temperature gamma type Stirling engine with a drive train modified with oval elliptical gears. The gears were added to dwell the engine piston motion to attempt to improve the thermodynamic performance of the engine by better replicating the ideal Stirling cycle. A variety of dwelling piston configurations were tested on both the displacer and power piston. It was observed that that the piston dwelling had the anticipated effect of changing the engine indicator diagrams to more closely resemble the ideal cycle, however there were no substantial improvements to maximum engine power. It was observed that dwelling the displacer piston caused substantial reductions to engine running speeds and resulted in maximum power being reduced. In the case of power piston dwelling the indicator diagram was enlarged and there were slight increases to maximum power production. Overall the added complexity of dwelled piston motion systems is not likely an advantageous method of increasing the power output of low temperature difference Stirling engines.
format	article
author	Nicol-Seto Michael Nobes David
author_facet	Nicol-Seto Michael Nobes David
author_sort	Nicol-Seto Michael
title	Experimental evaluation of piston motion modification to improve the thermodynamic power output of a low temperature gamma Stirling engine
title_short	Experimental evaluation of piston motion modification to improve the thermodynamic power output of a low temperature gamma Stirling engine
title_full	Experimental evaluation of piston motion modification to improve the thermodynamic power output of a low temperature gamma Stirling engine
title_fullStr	Experimental evaluation of piston motion modification to improve the thermodynamic power output of a low temperature gamma Stirling engine
title_full_unstemmed	Experimental evaluation of piston motion modification to improve the thermodynamic power output of a low temperature gamma Stirling engine
title_sort	experimental evaluation of piston motion modification to improve the thermodynamic power output of a low temperature gamma stirling engine
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/7db9744a763e45f49bf6cb028d7e3511
work_keys_str_mv	AT nicolsetomichael experimentalevaluationofpistonmotionmodificationtoimprovethethermodynamicpoweroutputofalowtemperaturegammastirlingengine AT nobesdavid experimentalevaluationofpistonmotionmodificationtoimprovethethermodynamicpoweroutputofalowtemperaturegammastirlingengine
_version_	1718441965381484544

Experimental evaluation of piston motion modification to improve the thermodynamic power output of a low temperature gamma Stirling engine

Ejemplares similares