Development of active magnetic bearings and ferrofluid seals toward oil free sodium pumps

被引：22

作者：

Sreedhar, B. K. ^{[1
]}

Kumar, R. Nirmal ^{[1
]}

Sharma, Prashant ^{[1
]}

Ruhela, Shivprakash ^{[1
]}

Philip, John ^{[1
]}

Sundarraj, S. I. ^{[1
]}

Chakraborty, N. ^{[1
]}

Mohana, M. ^{[1
]}

Sharma, Vijay ^{[1
]}

Padmakumar, G. ^{[1
]}

Nashine, B. K. ^{[1
]}

Rajan, K. K. ^{[1
]}

机构：

[1] Indira Gandhi Ctr Atom Res, Kalpakkam 603102, Tamil Nadu, India

来源：

NUCLEAR ENGINEERING AND DESIGN | 2013年 / 265卷

关键词：

Seals - Magnetic bearings;

D O I：

10.1016/j.nucengdes.2013.04.004

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

Sodium centrifugal pumps employ conventional oil cooled bearings and mechanical seals to support the rotor assembly outside sodium and to seal the cover gas from the atmosphere. Although engineered safety features are incorporated in the design and detailed operational procedures formulated to ensure that no oil contamination of sodium can occur, there have been incidents of oil ingress into sodium. A design variant that eliminates the need for oil in top bearings and seals is therefore a promising option. This paper discusses the work in progress to develop a magnetic bearing and ferrofluid seal combination that can achieve this purpose. (C) 2013 Elsevier B.V. All rights

引用

页码：1166 / 1174

页数：9

共 21 条

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