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● AUTHORS: Cohen, R., Porat, I. (1934-2012)
● SOURCE: Journal of Dynamic Systems, Measurement, and Control, Transactions of the ASME, v. 106, n. 1, pp. 70-74, (Mar. 1984).
● LANGUAGE: English.
● ABSTRACT: The influence of the load torque on the critical velocities of a shaft mounted on short bearings is investigated. While in most works on this subject the load torque is taken as axial, it is shown that, provided the external torque does not change in initial direction as the shaft is deformed and is applied through an ideal spherical coupling - the assumptions of a semitangential mode is the correct one. Revised values of the critical torques and velocities are calculated accordingly and compared to those based on the conventional assumption.
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