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ANALYSIS OF THE INFLUENCE OF ANGULAR SPEED OF ROTATION OF A PIPELINE WITH LIQUID ON THE DEVELOPMENT OF DYNAMIC PROCESSES

The article deals with construction of a mathematical model of combined motion of a rigid pipeline conveying liquid. The pipeline performs rotation about the longitudinal axis. For different velocities of liquid flow and pipeline rotation we determine special features of the system dynamic behavior. It was shown that oscillations in the system are developed near rectilinear and two alternative positions of dynamic equilibrium. Characteristics of phenomena manifested on transition to oscillations relative to alternative states are given.