Unified Physical Concept of Friction and Wear of Rubber Part 2: Stick-slip Motion and Vibration with High Frequency Generated by the Sticky Surface Characteristics of Cross-linked Rubber

2020 ◽  
Vol 93 (11) ◽  
pp. 358-365
Author(s):  
Yoshihide FUKAHORI
Keyword(s):  
High Frequency ◽  
Friction And Wear ◽  
Surface Characteristics ◽  
Physical Concept ◽  
Stick Slip ◽  
Rubber Part ◽  
Stick Slip Motion ◽  
Slip Motion

Stick-Slip Energy Harvesting: A Preliminary Study

2017 ◽  
Author(s):  
Arata Masuda ◽  
Chisato Sawai
Keyword(s):  
Energy Harvesting ◽  
Relative Motion ◽  
High Frequency ◽  
Electrical Energy ◽  
High Frequency Oscillation ◽  
Design Parameters ◽  
Frequency Oscillation ◽  
Stick Slip ◽  
Stick Slip Motion ◽  
Slip Motion

In this paper, a design of an energy harvesting device which converts a translational relative motion to an oscillatory motion via stick-slip phenomenon is presented. In this design, an L-shape cantilever is used as an energy converter, the tip of which is rubbed by a linearly moving rubber pad. The induced stick-slip motion produces a relatively high frequency oscillation in the middle part of the cantilever during the stick phase, which is then converted to the electrical energy via a piezoelectric element attached on the cantilever surface. Testing of a proof-of-concept prototype reveals how the linear relative motion induces the stick-slip motion and the high frequency oscillation of the cantilever. The dependence of the stick-slip frequency on the design parameters is preliminary studied. Then, the load resistance optimization and the maximum output power are discussed, and the energy efficiency which is defined as the ratio of the output electrical energy to the input mechanical work during the rubbing motion is evaluated.

Dynamics of stick–slip motion, Whillans Ice Stream, Antarctica

2011 ◽  
Vol 305 (3-4) ◽  
pp. 283-289 ◽  
Author(s):  
J. Paul Winberry ◽  
Sridhar Anandakrishnan ◽  
Douglas A. Wiens ◽  
Richard B. Alley ◽  
Knut Christianson
Keyword(s):  
Stick Slip ◽  
Ice Stream ◽  
Whillans Ice Stream ◽  
Stick Slip Motion ◽  
Slip Motion

scholarly journals On the Dynamic Behavior of Machine Tool Slideway : 2nd Report, Characteristics of Kinetic Friction in "Stick Slip" Motion

1970 ◽  
Vol 13 (55) ◽  
pp. 180-188 ◽  
Author(s):  
Shinobu KATO ◽  
Katsumi YAMAGUCHI ◽  
Tsuneo MATSUMAYASHI
Keyword(s):  
Machine Tool ◽  
Dynamic Behavior ◽  
Kinetic Friction ◽  
Stick Slip ◽  
Stick Slip Motion ◽  
Slip Motion

Dynamic simulation of stick–slip motion of a flexible solar array

2008 ◽  
Vol 16 (6) ◽  
pp. 724-735 ◽  
Author(s):  
Yasushi Kojima ◽  
Shigemune Taniwaki ◽  
Yoshiaki Okami
Keyword(s):  
Dynamic Simulation ◽  
Solar Array ◽  
Stick Slip ◽  
Stick Slip Motion ◽  
Slip Motion

scholarly journals Basal ice motion and deformation at the ice-sheet margin, West Greenland

2005 ◽  
Vol 42 ◽  
pp. 67-70 ◽  
Author(s):  
David M. Chandler ◽  
Richard I. Waller ◽  
William G. Adam
Keyword(s):  
Deformation Mode ◽  
Time Intervals ◽  
Stick Slip ◽  
Active Deformation ◽  
West Greenland ◽  
Shear Structures ◽  
Basal Ice ◽  
Ice Velocity ◽  
Stick Slip Motion ◽  
Slip Motion

AbstractMeasurements of basal ice deformation at the margin of Russell Glacier, West Greenland, have provided an opportunity to gain more insight into basal processes occurring near the margin. The basal ice layer comprises a debris-rich, heterogeneous stratified facies, overlain by a comparatively debris-poor dispersed facies. Ice velocities were obtained from anchors placed in both ice facies, at three sites under 5–15 m ice depth. Mean velocities ranged from 20 to 43 m a–1, and velocity gradients indicate high shear strain rates within the basal ice. Stick–slip motion and diurnal variations were observed during measurements at short (1–5 min) time intervals. Vertical gradients in horizontal ice velocity indicate two modes of deformation: (1) viscous deformation within the stratified ice facies, and (2) shear at the interface between the two basal ice facies. Deformation mode 1 may contribute to the folding and shear structures observed in the stratified facies. Deformation mode 2 may generate the stick–slip motion and be associated with the formation of debris bands. Active deformation close to the margin suggests that structures observed within the basal ice are only partially representative of processes occurring near the bed in areas away from the glacier margin.

Experimental Exploration of Schallamach Waves and Self-Excitation in a Belt-Drive System

2018 ◽  
Author(s):  
Yingdan Wu ◽  
Michael Varenberg ◽  
Michael J. Leamy
Keyword(s):  
Angular Velocity ◽  
Dynamic Behavior ◽  
Oscillation Amplitude ◽  
Operating Conditions ◽  
Drive System ◽  
Belt Drive ◽  
Stick Slip ◽  
Stick Slip Motion ◽  
System Inertia ◽  
Slip Motion

We study the dynamic behavior of a belt-drive system to explore the effect of operating conditions and system moment of inertia on the generation of waves of detachment (i.e., Schallamach waves) at the belt-pulley interface. A self-excitation phenomenon is reported in which frictional fluctuations serve as harmonic forcing of the pulley, leading to angular velocity oscillations which grow in time. This behavior depends strongly on operating conditions (torque transmitted and pulley speed) and system inertia, and differs between the driver and driven pulleys. A larger net torque applied to the pulley generally yields more remarkable stick-slip oscillations with higher amplitude and lower frequency. Higher driving speeds accelerate the occurrence of stick-slip motion, but have little influence on the oscillation amplitude. Contrary to our expectations, the introduction of flywheels to increase system inertia amplified the frictional disturbances, and hence the pulley oscillations. This does, however, suggest a way of facilitating their study, which may be useful in follow-on research.

scholarly journals A geophone wireless sensor network for investigating glacier stick-slip motion

2017 ◽  
Vol 105 ◽  
pp. 103-112 ◽  
Author(s):  
Kirk Martinez ◽  
Jane K. Hart ◽  
Philip J. Basford ◽  
Graeme M. Bragg ◽  
Tyler Ward ◽  
...  
Keyword(s):  
Wireless Sensor Network ◽  
Sensor Network ◽  
Wireless Sensor ◽  
Stick Slip ◽  
Stick Slip Motion ◽  
Slip Motion
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