TGV disc brake squeal

Lorang, Xavier; Foy-Margiocchi, Florence; Nguyen, Quoc Son; Gautier, Pierre-Étienne

doi:10.1016/j.jsv.2005.12.006

Cited by 81 publications

(40 citation statements)

References 4 publications

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“…7 Some of the obtained unstable frequencies were approximately equal with the experimental results. Massi,8 used a model of pin on braking disc and studied linear and nonlinear behaviours by FEM.…”

Section: Introductionsupporting

confidence: 72%

Effects of equilibrium point displacement in limit cycle oscillation amplitude, critical frequency and prediction of critical input angular velocity in minimal brake system

Ganji

2017

AIP Advances

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ARTICLES YOU MAY BE INTERESTED INEffects of equilibrium point displacement in limit cycle oscillation amplitude, critical frequency and prediction of critical input angular velocity in minimal brake system In the present paper, brake squeal phenomenon as a noise resource in automobiles was studied. In most cases, the modeling work is carried out assuming that deformations were small; thus, equilibrium point is set zero and linearization is performed at this point. However, the equilibrium point under certain circumstances is not zero; therefore, huge errors in prediction of brake squeal may occur. In this work, large motion domains with respect to linearization importance were subjected to investigation. Nonlinear equations of motion were considered and behavior of system for COF's model was analyzed by studying amplitude and frequency of limited cycle oscillation. © 2017 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license

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Section: Introductionsupporting

confidence: 72%

Effects of equilibrium point displacement in limit cycle oscillation amplitude, critical frequency and prediction of critical input angular velocity in minimal brake system

Ganji

2017

AIP Advances

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“…Since then, lot of progress has obviously been done, but still many aspects of friction defy clear understanding, and are currently under investigation. In particular, frictional motion is often unstable giving rise to non-uniformities, noise and vibrations of interest in science and technology, ranging from nano-tribology (Persson, 2000) to ''squeal'' or ''hot-spotting'' in brakes or clutches (Kinkaid et al, 2003;Lorang et al, 2006), up to the scales of sliding of tectonic plates inn earthquakes (Ben-Zion, 2001;Rice et al, 2001;Rice, 2006). Many simplistic models of friction exist to take into account of known phenomena, each one in its area of interest.…”

Section: Dynamic Instabilities (Di)mentioning

confidence: 99%

Thermo-elastic dynamic instability (TEDI) in frictional sliding of two elastic half-spaces

Afferrante

Ciavarella

2007

Journal of the Mechanics and Physics of Solids

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“…[4] The other area of brake is brake's frequency, where researchers avoid the damaging frequency. [5] The other important aspect is the lifetime of brake pad and the life time of brake disc, because if the construction is not good, the brake pad and disc wear are very easy and life time is decreasing. If the wear is not right, that means the exploitage of brake pad is decreasing, it has to be changed early.…”

Section: Introductionmentioning

confidence: 99%

Optimal piston’s diameter ratio in four piston caliper

Horváth¹,

Oldal²,

Kalácska³

2015

HAE

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Researches of brakes have two ways: one direction is to increase the performance of brake and other direction is to increase life time of friction elements (brake disc, brake pad). In this study four pistons (side two) caliper were examined where optimal pistons diameter was defined. Pistons in caliper is different first piston (P1) according to a rotation direction diameters is smaller than second piston (P2) according to a rotation direction. Pressure distribution of brake pad's friction surface was examined to find optimal diameters of piston. Pistons diameter was changed where first piston's (P1) diameter is between 32-44 mm and second piston's (P2) diameter is between 32-64 mm. All case optimal diameter rations was defined which result that brake pad wear is consistent (not inclined). Optimal diameter is P1=44 mm and P2=56 mm where friction coefficient is 0,1 between brake pad and caliper. This construction gives consistent pressure distribution on brake pad friction surface.

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TGV disc brake squeal

Cited by 81 publications

References 4 publications

Effects of equilibrium point displacement in limit cycle oscillation amplitude, critical frequency and prediction of critical input angular velocity in minimal brake system

Effects of equilibrium point displacement in limit cycle oscillation amplitude, critical frequency and prediction of critical input angular velocity in minimal brake system

Thermo-elastic dynamic instability (TEDI) in frictional sliding of two elastic half-spaces

Optimal piston’s diameter ratio in four piston caliper

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