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International Journal of Scientific and Engineering Research
ISSN Online 2229-5518
ISSN Print: 2229-5518 8    
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scirp IJSER >> Volume 2, Issue 8, August 2011
Effect of turbulence on the performance of an inverted three- lobe Pressure dam bearing
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Author(s)
N. K. Batra, Gian Bhushan and N. P. Mehta
KEYWORDS
Inverted three- lobe pressure dam bearing, finite element method, multi-lobes
ABSTRACT
This paper analyzes the effect of turbulence on the performance of an inverted three- lobe pressure dam bearing which is produced by incorporating a pressure dam in the upper lobe and two relief tracks in the lower two lobes of an ordinary inverted three- lobe bearing. For analysis purpose different values (0, 1500, 3000, and 6000) of Reynolds number are considered to study the effect of turbulence. The results shows that for an inverted three lobe bearing supporting rigid or flexible rotors, the zone of infinite stability as well as minimum threshold speed increases with increase in turbulence, thus indicating better stability at higher turbulence level.
References
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