Topic
Critical speed
About: Critical speed is a research topic. Over the lifetime, 2764 publications have been published within this topic receiving 31365 citations.
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TL;DR: In this article, the stability of axially-moving string supported by a discrete or distributed elastic foundation is examined analytically, focusing on the distribution of the critical speeds and identifying the divergence instability of the trivial equilibrium.
78 citations
TL;DR: In this article, the authors investigated the whirl speed, critical speed and mode shape of a spinning beam in six general boundary conditions, and showed that the system's unbalanced response can be expressed analytically by these finite precessional modes and corresponding generalized coordinates.
78 citations
TL;DR: In this article, an analytical-numerical method is presented which can be used to determine the dynamic response of beams carrying a moving mass, with various boundary conditions, and it has been shown that the Coriolis acceleration associated with the moving mass as it traverses along the vibrating beam shall be considered as well.
77 citations
TL;DR: In this article, a rotor-stator model of a turbogenerator is introduced in order to investigate speed transients with rotor-tostator rubbing caused by an accidental blade-off imbalance.
77 citations
TL;DR: In this article, a rotor with a growth crack is modeled by finite element method (FEM) and Dimarogonas method, and the influence of crack propagating ratio (CGR) on instantaneous response of the rotor as it passes through the critical speed and subharmonic resonances is analyzed.
74 citations