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In this paper, the stability characteristics of a tri-taper journal bearing is analyzed theoretically. The time dependent form of Reynolds equation in two dimensions for incompressible fluid is solved numerically by finite difference method, satisfying the Reynolds boundary conditions. Dynamic coefficients are determined using the method of linearization of bearing reactions. A study with various ramp size’s and L/D ratio’s predicts that a bearing with higher ramp size and higher L/D ratio results in an increased mass parameter and improved stability margin of the bearing.
In this paper, the stability characteristics of a tri-taper journal bearing is analyzed theoretically. The time dependent form of Reynolds equation in two dimensions for incompressible fluid is solved numerically by finite difference method, satisfying the Reynolds boundary conditions. Dynamic coefficients are determined using the method of linearization of bearing reactions. A study with various ramp size’s and L/D ratio’s predicts that a bearing with higher ramp size and higher L/D ratio results in an increased mass parameter and improved stability margin of the bearing.
Palavras-chave
Fluid film bearing; Linearized bearing reactions; Stiffness and damping; Stability; Tri-taper journal bearing.
Fluid film bearing; Linearized bearing reactions; Stiffness and damping; Stability; Tri-taper journal bearing.
Como citar
Pai, Raghuvir;
Rao, D. Shrikanth;
Shenoy, B. Satish;
S.Pai, Rammohan.
STABILITY CHARATERISTICS OF A TRI-TAPER JOURNAL BEARING: A LINEARIZED PERTURBATION APPROACH
,
p. 336-349.
In: First International Brazil Conference on Tribology TriboBr-2010 and 2nd Internacional Tribology Symposium of IFToMM,
Rio de Janeiro,
2010.
ISSN: -
, DOI 10.5151/5463-5463-17253
