Current and New Approaches for Brake Noise Evaluation and Rating

Abendroth, Harald; Haverkamp, Michael; Hoffrichter, Wolfgang; Blaschke, Peter; Mauer, Günter; Wernitz, Boris

doi:10.4271/2009-01-3037

Cited by 8 publications

(1 citation statement)

References 7 publications

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“…The generation of noise and its supp-ression have become important considerations to be assessed during the design phase and execution of the brake systems. In fact, as noted by Abendroth and Wernitz [11,12], many pads manufacturers spend up to 50% of their budget in engineering activities on noise and vibration problems [13][14][15][16]. Much progress has been made and many solutions have been suggested, for example by reducing the causes, adding constrained layer (shims) or by moving damping modal coupling elements that constitute the brake assembly [17][18][19][20][21].…”

Section: Introductionmentioning

confidence: 99%

Finite element analysis on squeal-noise in railway applications

De¹,

Rivera²,

Guida³

2018

FME Transaction

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Section: Introductionmentioning

confidence: 99%

Finite element analysis on squeal-noise in railway applications

De¹,

Rivera²,

Guida³

2018

FME Transaction

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An experimental analysis of the methods for brake squeal quantification

et al. 2017

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Development and performance assessment of different squeal index metrics based on experimental data

Yavuz,

Sen

2024

Proceedings of the Institution of Mechanical Engineers, Part D:

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As an NVH problem observed in automotive brake systems, the significance of brake squeal phenomenon still persists; and the estimation of squeal propensity is a crucial operation. Thus, developing different means to define squeal propensity is an important task. As being one metric, squeal index is widely used for this purpose; and there already exists several different squeal index formulations in the available literature. The main objective of this study is to develop new squeal index formulations and assess their performances. Though, unlike the existing formulations, not only the measured data but also the operating and design parameters of the system of interest are also incorporated in the proposed formulations. The experimental data used for squeal index formulations are obtained on a mass-sliding belt experiment, where squeal-like behavior can successfully be observed. Experiments are conducted at different operating and design parameter conditions. First, cases with presence and absence of squeal-like behavior are observed on the measured data in time and frequency domains. Then, eight different squeal index formulations are developed, where different set of parameters are utilized in each formulation. Some of these parameters are extracted from the measured data (time and frequency domains), and the rest are adopted from the key operating and design parameters. Finally, the performances of proposed squeal indexes are assessed through their relative amplitude variations. In conclusion, the second squeal index formulation is found to have superior performance for distinguishing the effects of operating and design parameters on the occurrence of squeal-like behavior. Furthermore, the sixth squeal index formulation is found to have the best performance for differentiating the effect of spring stiffness on the initiation of squeal-like behavior.

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Current and New Approaches for Brake Noise Evaluation and Rating

Cited by 8 publications

References 7 publications

Finite element analysis on squeal-noise in railway applications

Finite element analysis on squeal-noise in railway applications

An experimental analysis of the methods for brake squeal quantification

Development and performance assessment of different squeal index metrics based on experimental data

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