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http://dx.doi.org/10.5050/KSNVN.2005.15.5.586

Dynamic Behavior of Rotating Cantilever Pipe Conveying Fluid with Moving Mass  

Yoon, Han-Ik (동의대학교 기계공학부)
Son, In-Soo (동의대학교 산업기술개발 연구소)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.15, no.5, 2005 , pp. 586-594 More about this Journal
Abstract
In this paper, we studied about the effects of the rotating cantilever pipe conveying fluid with a moving mass. The influences of a rotating angular velocity, the velocity of fluid flow and moving mass on the dynamic behavior of a cantilever pipe have been studied by the numerical method. The equation of motion is derived by using the Lagrange's equation. The cantilever pipe is modeled by the Euler-Bernoulli beam theory. When the velocity of a moving mass is constant, the lateral tip-displacement of a cantilever pipe is proportional to the moving mass and the angular velocity. In the steady state, the lateral tip-displacement of a cantilever pipe is more sensitive to the velocity of fluid than the angular velocity, and the axial deflection of a cantilever pipe is more sensitive to the effect of a angular velocity. Totally, as the moving mass is increased, the frequency of a cantilever pipe is decreased in steady state.
Keywords
Moving Mass; Rotating Cantilever Pipe Conveying Fluid; Dynamic Behavior; Follower Force;
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