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Seal Lubrication of an Automotive Water Pump

[+] Author Affiliations
Massimo Antonini, Rodolfo Faglia, Carlo Remino

University of Brescia

Marco Pedersoli

Industrie Saleri Italo

Paper No. IMECE2006-15495, pp. 191-196; 6 pages
doi:10.1115/IMECE2006-15495
From:
  • ASME 2006 International Mechanical Engineering Congress and Exposition
  • Tribology
  • Chicago, Illinois, USA, November 5 – 10, 2006
  • Conference Sponsors: Tribology Division
  • ISBN: 0-7918-4782-9 | eISBN: 0-7918-3790-4
  • Copyright © 2006 by ASME

abstract

A noisy mechanical seal is a grave problem, especially in water pumps designed for the automotive industry. The noisiness is often caused by dynamic instability (stick-slip behavior), which occurs when the seal lubrication changes from hydrodynamic to mixed. Starting from this hypothesis, the paper shows a theoretical model that describes the interaction between the seal disks. Therefore this model correlates the acoustic emission to the working conditions of the water pump.

Copyright © 2006 by ASME
Topics: Lubrication , Pumps , Water

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