WebMar 1, 2024 · The Jeffcott rotor model with slant crack is presented by Lin [6] and Darpe [7] using open crack model and nonlinear breathing crack model respectively. Lin [8] analyzed the flexural vibrations of a rotor system with transverse or slant crack under torsional excitation by numerical simulation and experiment. Differences of the rotating … WebDec 18, 2014 · Approaching the slant crack to the fixed end or enlarging the external incentives amplifies the nonlinearity of the microbeam system, while the effects of depth ratio and slant angle are dependent on the crack position. ... A. K. Darpe, “Dynamics of a Jeffcott rotor with slant crack,” Journal of Sound and Vibration, vol. 303, no. 1-2, pp. 1 ...
Some Recent Studies on Cracked Rotors SpringerLink
WebOct 20, 2010 · In a recent review paper Ishida [] introduces case histories of cracks found in industrial machines, while Stoisser and Audebert [] presented the crack detection in power plant turboset or turbo pump units.Bachschmid et al. [] set up a rotordynamics modeling approach to predict the typical vibration behavior of a vertical axis cooling pump that … WebSep 20, 2009 · Darpe investigated the dynamics of a Jeffcott rotor with slant crack describing the flexibility matrix for the slant crack. Bachschmid and Tanzi have looked at the straight front crack. Recently, Georgantzinos and Anifantis studied the effect of the crack breathing mechanism on the time-variant flexibility due to the crack in a rotating … rds infusions
Dynamic behavior of Jeffcott rotors with an arbitrary slant …
WebJan 24, 2024 · Root causes of several recent crack failures in turbine units are attributed to oscillation and interaction between generator of turbine unit and devices on the grid, where torsional vibration of the rotor bearing system is observed and identified as an important cause. Exploring vibrational (lateral, torsional, and axial) features in the cracked rotor … WebA mathematical model of a cracked rotor and an asymmetric rotor with two disks representing a turbine and a generator is utilized to study the vibrations due to imbalance … WebFeb 10, 2024 · But the complete rotor dynamics of Jeffcott rotor considering a slant crack has been presented by Darpe . Moreover, the differential equations of motion of a simple rotor system with slant crack have been derived and solved by Ichimonji and Watanabe [ 8 ] assuming the bending stiffness of the shaft changes synchronously with … how to spell paramecium