Optimization of a water cooled Submersible motor journal bearing length using CFD
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2012, Vol 2, Issue 1
Abstract
The journal in case of a water cooled Submersible motor is the bearing surface of the rotor which consists of hard chromed stainless steel material. The bearing consists of a Leaded bronze material (Bronze grade LTB 2,3 or 4 of IS 318 or Nitrile / cutless rubber) which is the softer part out these two. The failures of the bearing bush accounts for 90% of the failures in a submersible motor. The implication of this failure is the complete breakdown of the Motori.e. the windings will get damaged and expensive repairs would be required to be carried out. This clearly suggests that the design of such a journal should be properly investigated. A CFD approach would assist in establishing the dimension (length) of the bearing. This paper presents step by step application of CFD to optimize the bearing length and is an outcome of around 3 years of extensive research in an attempt to solve a manufacturer’s long standing problem.
Authors and Affiliations
Dr. Virajit A. Gundale, Mr. Sanjaykumar M. Ingale, Vidyadhar M. Dandge
Keywords
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