A geometric study of different curves for the rotor profiles of a twin-screw compressor

This paper presents the results of comparisons among some patented solutions for profiling the contours of the rotors in twin-screw compressors. Referring to a base case where all the generating curves are circumferences, patents suggesting to replace arcs of circumference with arcs of conic section...

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Autor principal:	Giuffrida Antonio
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/c8a44421064748938e00bd088fb8e174
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id	oai:doaj.org-article:c8a44421064748938e00bd088fb8e174
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spelling	oai:doaj.org-article:c8a44421064748938e00bd088fb8e1742021-11-08T15:18:51ZA geometric study of different curves for the rotor profiles of a twin-screw compressor2267-124210.1051/e3sconf/202131211001https://doaj.org/article/c8a44421064748938e00bd088fb8e1742021-01-01T00:00:00Zhttps://www.e3s-conferences.org/articles/e3sconf/pdf/2021/88/e3sconf_ati2021_11001.pdfhttps://doaj.org/toc/2267-1242This paper presents the results of comparisons among some patented solutions for profiling the contours of the rotors in twin-screw compressors. Referring to a base case where all the generating curves are circumferences, patents suggesting to replace arcs of circumference with arcs of conic sections, i.e. parabola, ellipse and hyperbola, but even a straight line segment, are presented and guidelines for rotor profile construction are reported. After setting the size of the compressor, attention is paid to the inter-lobe area, as the sum of the area between two consecutive lobes in the male rotor and of the area of the groove in the female rotor. Actually, this area is strictly related to the volume displacement. Limited to the current case study, the profile including an elliptic segment seems to be the preferable solution for higher inter-lobe area, then for higher displacement, though a number of considerations should be necessary for a broader context.Giuffrida AntonioEDP SciencesarticleEnvironmental sciencesGE1-350ENFRE3S Web of Conferences, Vol 312, p 11001 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	Environmental sciences GE1-350
spellingShingle	Environmental sciences GE1-350 Giuffrida Antonio A geometric study of different curves for the rotor profiles of a twin-screw compressor
description	This paper presents the results of comparisons among some patented solutions for profiling the contours of the rotors in twin-screw compressors. Referring to a base case where all the generating curves are circumferences, patents suggesting to replace arcs of circumference with arcs of conic sections, i.e. parabola, ellipse and hyperbola, but even a straight line segment, are presented and guidelines for rotor profile construction are reported. After setting the size of the compressor, attention is paid to the inter-lobe area, as the sum of the area between two consecutive lobes in the male rotor and of the area of the groove in the female rotor. Actually, this area is strictly related to the volume displacement. Limited to the current case study, the profile including an elliptic segment seems to be the preferable solution for higher inter-lobe area, then for higher displacement, though a number of considerations should be necessary for a broader context.
format	article
author	Giuffrida Antonio
author_facet	Giuffrida Antonio
author_sort	Giuffrida Antonio
title	A geometric study of different curves for the rotor profiles of a twin-screw compressor
title_short	A geometric study of different curves for the rotor profiles of a twin-screw compressor
title_full	A geometric study of different curves for the rotor profiles of a twin-screw compressor
title_fullStr	A geometric study of different curves for the rotor profiles of a twin-screw compressor
title_full_unstemmed	A geometric study of different curves for the rotor profiles of a twin-screw compressor
title_sort	geometric study of different curves for the rotor profiles of a twin-screw compressor
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/c8a44421064748938e00bd088fb8e174
work_keys_str_mv	AT giuffridaantonio ageometricstudyofdifferentcurvesfortherotorprofilesofatwinscrewcompressor AT giuffridaantonio geometricstudyofdifferentcurvesfortherotorprofilesofatwinscrewcompressor
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A geometric study of different curves for the rotor profiles of a twin-screw compressor

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