CFD Analysis to explain the Operating range extension observed during Operation in Co-rotating Mode of a Twin-impeller Centrifugal Compressor

Centrifugal compressors are widely used in many industrial applications because of their advantages. However, these turbomachines suffer at a low-flow rate from instabilities, such as rotating stall and surge. That leads to operational failure, pressure fluctuations and vibrations of the thorough sy...

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Autores principales:	Nguyen Van-Thang, Danlos Amelie, Ravelet Florent, Deligant Michael, Solis Moises, Khelladi Sofiane, Bakir Farid
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/c9fc94c6b65e4188a4c9560e961f38a8
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spelling	oai:doaj.org-article:c9fc94c6b65e4188a4c9560e961f38a82021-11-12T11:44:34ZCFD Analysis to explain the Operating range extension observed during Operation in Co-rotating Mode of a Twin-impeller Centrifugal Compressor2267-124210.1051/e3sconf/202132102011https://doaj.org/article/c9fc94c6b65e4188a4c9560e961f38a82021-01-01T00:00:00Zhttps://www.e3s-conferences.org/articles/e3sconf/pdf/2021/97/e3sconf_icchmt2021_02011.pdfhttps://doaj.org/toc/2267-1242Centrifugal compressors are widely used in many industrial applications because of their advantages. However, these turbomachines suffer at a low-flow rate from instabilities, such as rotating stall and surge. That leads to operational failure, pressure fluctuations and vibrations of the thorough system. Many mechanical solutions minimize these instabilities and expand the operating range towards low-flow rates like active control of the flow path, variable inlet guide vane and casing treatment. Currently, our team has developed a new compressor composed of a twin-impeller powered by autonomous systems. We notice the performance improvement and instabilities suppression of this compressor experimentally. In this paper, a CFD study is presented to explain some of these experimental observations by analyzing the inside of twin-impeller, the flow structures and thermodynamic characteristics at low flow rates operating in a co-rotating mode. Numerical results and experimental measurements of compressor maps are consistent.Nguyen Van-ThangDanlos AmelieRavelet FlorentDeligant MichaelSolis MoisesKhelladi SofianeBakir FaridEDP SciencesarticleEnvironmental sciencesGE1-350ENFRE3S Web of Conferences, Vol 321, p 02011 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	Environmental sciences GE1-350
spellingShingle	Environmental sciences GE1-350 Nguyen Van-Thang Danlos Amelie Ravelet Florent Deligant Michael Solis Moises Khelladi Sofiane Bakir Farid CFD Analysis to explain the Operating range extension observed during Operation in Co-rotating Mode of a Twin-impeller Centrifugal Compressor
description	Centrifugal compressors are widely used in many industrial applications because of their advantages. However, these turbomachines suffer at a low-flow rate from instabilities, such as rotating stall and surge. That leads to operational failure, pressure fluctuations and vibrations of the thorough system. Many mechanical solutions minimize these instabilities and expand the operating range towards low-flow rates like active control of the flow path, variable inlet guide vane and casing treatment. Currently, our team has developed a new compressor composed of a twin-impeller powered by autonomous systems. We notice the performance improvement and instabilities suppression of this compressor experimentally. In this paper, a CFD study is presented to explain some of these experimental observations by analyzing the inside of twin-impeller, the flow structures and thermodynamic characteristics at low flow rates operating in a co-rotating mode. Numerical results and experimental measurements of compressor maps are consistent.
format	article
author	Nguyen Van-Thang Danlos Amelie Ravelet Florent Deligant Michael Solis Moises Khelladi Sofiane Bakir Farid
author_facet	Nguyen Van-Thang Danlos Amelie Ravelet Florent Deligant Michael Solis Moises Khelladi Sofiane Bakir Farid
author_sort	Nguyen Van-Thang
title	CFD Analysis to explain the Operating range extension observed during Operation in Co-rotating Mode of a Twin-impeller Centrifugal Compressor
title_short	CFD Analysis to explain the Operating range extension observed during Operation in Co-rotating Mode of a Twin-impeller Centrifugal Compressor
title_full	CFD Analysis to explain the Operating range extension observed during Operation in Co-rotating Mode of a Twin-impeller Centrifugal Compressor
title_fullStr	CFD Analysis to explain the Operating range extension observed during Operation in Co-rotating Mode of a Twin-impeller Centrifugal Compressor
title_full_unstemmed	CFD Analysis to explain the Operating range extension observed during Operation in Co-rotating Mode of a Twin-impeller Centrifugal Compressor
title_sort	cfd analysis to explain the operating range extension observed during operation in co-rotating mode of a twin-impeller centrifugal compressor
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/c9fc94c6b65e4188a4c9560e961f38a8
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CFD Analysis to explain the Operating range extension observed during Operation in Co-rotating Mode of a Twin-impeller Centrifugal Compressor

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