Basic study on active magnetic bearing working in liquid nitrogen and its application to cryogenic pump

This paper discusses an active magnetic bearing (AMB) able to work in liquid nitrogen, which is composed of a stator with four electromagnets (EMs), a rotor, displacement sensors, a permanent magnet (PM) motor, etc. In this paper, two types of AMBs are discussed. One AMB is made to study basic chara...

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Autores principales:	Mochimitsu KOMORI, Kenshi WATANABE, Hirohisa KATO, Ken-ichi ASAMI, Nobuo SAKAI
Formato:	article
Lenguaje:	EN
Publicado:	The Japan Society of Mechanical Engineers 2017
Materias:	active magnetic bearing magnetic levitation liquid nitrogen Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/2b0f6da1e1ea41cda5a0fcb3e5e757de
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spelling	oai:doaj.org-article:2b0f6da1e1ea41cda5a0fcb3e5e757de2021-11-26T07:11:27ZBasic study on active magnetic bearing working in liquid nitrogen and its application to cryogenic pump2187-974510.1299/mej.16-00723https://doaj.org/article/2b0f6da1e1ea41cda5a0fcb3e5e757de2017-09-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/4/5/4_16-00723/_pdf/-char/enhttps://doaj.org/toc/2187-9745This paper discusses an active magnetic bearing (AMB) able to work in liquid nitrogen, which is composed of a stator with four electromagnets (EMs), a rotor, displacement sensors, a permanent magnet (PM) motor, etc. In this paper, two types of AMBs are discussed. One AMB is made to study basic characteristics of the AMB in liquid nitrogen. The other one is made to study basic characteristics of a pump able to work in liquid nitrogen. The rotor is levitated in the center of the stator with a pivot bearing at the rotor bottom. The pump performances using the AMB are studied by measuring the displacement of spinning rotor at extremely low temperature 77 K.Mochimitsu KOMORIKenshi WATANABEHirohisa KATOKen-ichi ASAMINobuo SAKAIThe Japan Society of Mechanical Engineersarticleactive magnetic bearingmagnetic levitationliquid nitrogenMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 4, Iss 5, Pp 16-00723-16-00723 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	active magnetic bearing magnetic levitation liquid nitrogen Mechanical engineering and machinery TJ1-1570
spellingShingle	active magnetic bearing magnetic levitation liquid nitrogen Mechanical engineering and machinery TJ1-1570 Mochimitsu KOMORI Kenshi WATANABE Hirohisa KATO Ken-ichi ASAMI Nobuo SAKAI Basic study on active magnetic bearing working in liquid nitrogen and its application to cryogenic pump
description	This paper discusses an active magnetic bearing (AMB) able to work in liquid nitrogen, which is composed of a stator with four electromagnets (EMs), a rotor, displacement sensors, a permanent magnet (PM) motor, etc. In this paper, two types of AMBs are discussed. One AMB is made to study basic characteristics of the AMB in liquid nitrogen. The other one is made to study basic characteristics of a pump able to work in liquid nitrogen. The rotor is levitated in the center of the stator with a pivot bearing at the rotor bottom. The pump performances using the AMB are studied by measuring the displacement of spinning rotor at extremely low temperature 77 K.
format	article
author	Mochimitsu KOMORI Kenshi WATANABE Hirohisa KATO Ken-ichi ASAMI Nobuo SAKAI
author_facet	Mochimitsu KOMORI Kenshi WATANABE Hirohisa KATO Ken-ichi ASAMI Nobuo SAKAI
author_sort	Mochimitsu KOMORI
title	Basic study on active magnetic bearing working in liquid nitrogen and its application to cryogenic pump
title_short	Basic study on active magnetic bearing working in liquid nitrogen and its application to cryogenic pump
title_full	Basic study on active magnetic bearing working in liquid nitrogen and its application to cryogenic pump
title_fullStr	Basic study on active magnetic bearing working in liquid nitrogen and its application to cryogenic pump
title_full_unstemmed	Basic study on active magnetic bearing working in liquid nitrogen and its application to cryogenic pump
title_sort	basic study on active magnetic bearing working in liquid nitrogen and its application to cryogenic pump
publisher	The Japan Society of Mechanical Engineers
publishDate	2017
url	https://doaj.org/article/2b0f6da1e1ea41cda5a0fcb3e5e757de
work_keys_str_mv	AT mochimitsukomori basicstudyonactivemagneticbearingworkinginliquidnitrogenanditsapplicationtocryogenicpump AT kenshiwatanabe basicstudyonactivemagneticbearingworkinginliquidnitrogenanditsapplicationtocryogenicpump AT hirohisakato basicstudyonactivemagneticbearingworkinginliquidnitrogenanditsapplicationtocryogenicpump AT kenichiasami basicstudyonactivemagneticbearingworkinginliquidnitrogenanditsapplicationtocryogenicpump AT nobuosakai basicstudyonactivemagneticbearingworkinginliquidnitrogenanditsapplicationtocryogenicpump
_version_	1718409708450086912

Basic study on active magnetic bearing working in liquid nitrogen and its application to cryogenic pump

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