Graduate Research Assistant
Graduating Aug 2010
• Identified and modeled a solution for problem occurring in a commercially produced Anemometer by NRG systems. • The Anemometer had post calibration errors, problem being identified as precessional rubbing at contact surfaces (bearings). The idea was used to investigate similar phenomena in real sized Turbomachinery bearings. • Modeled mathematical model for such a case and analyzed it for its vibrations signatures. • Whipping and whirling frequencies (Reason for anemometer error) were analyzed and validated using a nonlinear time transient analysis for the same model Project -Precessional Whip and Whirl Characteristics for a model with contact at 2 rub locations for rigid rotor supported on a elastically supported rigid stator.