๐”– Bobbio Scriptorium
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Effects of coupling misalignment on vibrations of rotating machinery

โœ Scribed by A.S. Sekhar; B.S. Prabhu

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
525 KB
Volume
185
Category
Article
ISSN
0022-460X

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โœฆ Synopsis

Improper aligning of shafts through couplings often leads to severe vibration problems in many rotating machines. The rotor-bearing system is modelled using higher order finite elements by considering deflection, slope, shear force, bending moment with eight degrees of freedom per node. The reaction forces, moments developed due to flexible coupling misalignment are derived and introduced in the model. The imbalance response in two harmonics is evaluated. The increase in harmonics with misalignment can easily be modelled by using FEM analysis. The location of the coupling with respect to the bending mode shape has a strong influence on the vibrations.

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