Results 231 to 240 of about 3,333 (268)
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Stick-Slip Vibration of Drill Strings
Journal of Engineering for Industry, 1991The stick-slip vibration is introduced as a new mechanism to explain the large amplitude torsional oscillation of the drill strings in oil and gas well drillings. A record of field data is identified and simulated according to the new mechanism. The analytical results derived from the numerical simulation agree with the field data with 95.6 percent ...
Yu-Hwa Wang, Yao-Qun Lin
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Vibration Control to Avoid Stick-Slip Motion
JVC/Journal of Vibration and Control, 2004Friction-induced self-sustained oscillations result in a very robust limit cycle that characterizes stick-slip motion. This type of motion should be avoided under any circumstances because it creates noise, wear, and damage. In this paper we show, by simple models, how stick-slip motion can be avoided. Effective methods are: (i) appropriate increase of
Karl Popp
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Stick–slip vibration of an oscillator with damping
Nonlinear Dynamics, 2016This paper proposes a new criterion for the occurrence of stick–slip vibration in an oscillator excited by a moving belt. Equations of motion were derived for a single-degree-of-freedom oscillator excited by the friction between the oscillator mass and a moving belt, considering two types of velocity-dependent friction models: exponential and ...
Jintai Chung, Chung Jintai
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Analytical approximations for stick–slip vibration amplitudes
International Journal of Non-Linear Mechanics, 2003 Abstract The classical “mass-on-moving-belt” model for describing friction-induced vibrations is considered, with a friction law describing friction forces that first decreases and then increases smoothly with relative interface speed. Approximate analytical expressions are derived for the conditions, the amplitudes, and the base frequencies of ...
Jon Juel Thomsen, Alexander Fidlin
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The effect of frequency of vibration and humidity on the stick–slip amplitude
International Journal of Mechanics and Materials in Design, 2010This work examines the variation of stick–slip amplitude with the variation of frequency of vibration and relative humidity on a mild steel disc. A pin-on-disc machine, developed by the authors, capable of vibrating the disc at different frequency is used for the experiments.
Jamil Abdo, Abdo Jamil
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Friction-induced stick-slip vibration and its experimental validation
Mechanical Systems and Signal Processing, 2020 Friction is known to cause vibration in many situations and one particular kind of friction-induced vibration is in the form of stick-slip vibration, which is of fundamental significance in science due to its ubiquitous nature.
Jiliang Mo, Huajiang Ouyang
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Vibration and Noise Behaviors During Stick–Slip Friction
Tribology Letters, 2019Frictional vibration and noise usually cause machining error and noise pollution. Stick–slip plays an important role in generating frictional vibration and noise. This study characterized frictional vibration and noise during the stick–slip of a Si3N4 ceramic/metal friction by using an acoustic emission method.
Conglin Dong +2 more
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The influence of interfacial wear characteristics on stick-slip vibration
Tribology International, 2023Jiliang Mo, Z Y Xiang
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MECHANICAL STICK-SLIP VIBRATIONS
International Journal of Bifurcation and Chaos, 1995In this paper we consider the behavior of a two degree-of-freedom mechanical system incorporating static and dynamic friction, assumed to be a decreasing function of the relative sliding velocity. The model consists of two blocks linked by springs, which ride upon a moving belt.
GALVANETTO, UGO +2 more
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Stick-slip vibrations and chaos
Philosophical Transactions of the Royal Society of London. Series A: Physical and Engineering Sciences, 1990Abstract Stick-slip vibrations are self-sustained oscillations induced by dry friction. They occur in engineering systems as well as in our everyday life, e.g. the sound of bowed instruments results from stick—slip vibrations of the strings.
K. K., P. Stelter
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