NDLI: Performance of a WC Coated Mechanical Seal Prototype With Integral Micro Heat Exchanger

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Gina, M. Johns Stephens, L. Scott Matthew, A. Hayden
Copyright Year	2003
Abstract	Temperature induced failures are among the most frequent for end face mechanical seals. Recently, a new approach to cooling has been proposed that uses a micro heat exchanger fabricated integrally with the stationary mechanical seal ring. This paper presents experimental results for a WC coated, air-cooled mechanical seal with integral micro heat exchanger in dry-running and water-lubricated conditions at 2400 RPM and various PV values. The micro heat exchanger is a pin fin design and is fabricated from nickel using a modified LIGA process. The heat exchanger has a surface area to volume ratio of 10,500 m2/m3 and fin pitch of 315 μm. Testing is performed using a thrust washer rotary tribometer. The results show that the micro heat exchanger has the potential to alleviate temperature related failures associated with mechanical seals and, in particular, with seals that use low friction hard coatings.
Sponsorship	International Gas Turbine Institute
Starting Page	1081
Ending Page	1089
Page Count	9
File Format	PDF
ISBN	0791836886
DOI	10.1115/GT2003-38856
e-ISBN	0791836711
Volume Number	Volume 5: Turbo Expo 2003, Parts A and B
Conference Proceedings	ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference
Language	English
Publisher Date	2003-06-16
Publisher Place	Atlanta, Georgia, USA
Access Restriction	Subscribed
Subject Keyword	Water Temperature Cooling Heat exchangers Coatings Design Friction Nickel Engineering prototypes Failure Thrust Testing Tribometers
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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