Results 101 to 110 of about 146 (135)
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Moving Loads and Car Disc Brake Squeal
Noise & Vibration Worldwide, 2003Disc brake vibration and squeal is a source of irritation and distraction. A squealing brake gives customers the impression of underlying quality problems of the vehicle. The warranty cost due to disc brake noise is very high and has led to much research and investment in tackling disc brake vibration and noise.
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Time-Frequency Analysis of Disc Brake Squeal in a Brake Experiment
Volume 14: Vibration, Acoustics and Wave Propagation, 2013Automotive brake squeal has become a challenging issue to reduce traffic noise and improve the vehicle quality. Since the generation mechanism of brake squeal is extremely complex, involving multiple disciplines such as nonlinear dynamics, contact mechanics, tribology and acoustics, it is still not well understood.
X. D. Liu +3 more
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Vehicle Disc Brake Squeal Simulations and Experiences
SAE Technical Paper Series, 1999<div class="htmlview paragraph">Brake related warranty costs are a major concern to the automotive industry. Large part of these costs are due to noise, more particularly due to the brake <i>squeal</i> complaints. Computer-aided engineering solutions have attracted a lot of attention from the engineering and development community for ...
Sanjay K. Mahajan +2 more
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Disc-Pad Interaction Related to Brake Squeal
SAE Technical Paper Series, 2004<div class="htmlview paragraph">The objective of this paper is to investigate the influence of the non-linearity and time dependence of friction force between disc and pads on the generation of low and high frequency squeal. For this purpose, a non-linear mathematical model of a disc-pad system, that includes the transverse (out-of-plane) and ...
Dumitru M. Beloiu, Raouf A. Ibrahim
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Robustness of Disc Brake Systems Regarding Squeal
2015Despite the efforts in research and development of brake systems there still is a lack of procedures to evaluate the robustness of these systems with respect to friction induced vibrations during the development process. Hence, the identification of the modal properties and their characteristics using experimental methods becomes even more important ...
Philippe Stegmann +2 more
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A Method for the Quantification of Front Disc Brake Squeal
SAE Technical Paper Series, 1982<div class="htmlview paragraph">A subjective in-vehicle evaluation system is generally used to evaluate brake noise. This approach is quite dependent on analysis procedure, individual hearing abilities, individual tolerance level to the noise, the vehicle condition, road conditions and weather conditions.
William J. Bracken, Johnny K. Sakioka
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Optimization of Damping for Squeal Avoidance in Disc Brakes
PAMM, 2017AbstractThis paper deals with the optimization of the linear stability behavior of circulatory systems with respect to particularly advantageous damping properties. The technique is demonstrated by applying it to an industrial finite element model of a disc brake in order to reduce the propensity of squeal noise.
Dominic Jekel, Peter Hagedorn
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The method of feed-in energy on disc brake squeal
Journal of Sound and Vibration, 2003Brake squeal is studied in this paper by feed-in energy analysis. Based on the brake closed-loop coupling model, a calculation method of feed-in energy for squeal mode is derived. Result of the feed-in energy indicates squeal tendency of the brake system, while formula for calculating it discloses the relation among brake squeal phenomenon and ...
Dihua Guan, Jinchun Huang
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Disc Brake Dynamometer Squeal Noise Matrix
2017<div class="section abstract"> <div class="htmlview paragraph">This procedure is applicable to high frequency squeal type noise occurrences for passenger car and light truck type vehicles that are used under conventional operating conditions. The procedure does not encompass the consequences associate with changes in environment relate to
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A Study Concerned with a Mechanism of Disc-Brake Squeal
SAE Technical Paper Series, 1984<div class="htmlview paragraph">Many reports about disc-brake squeal have been presented based on experimental or theoretical research in the past. However, there have been few in which theoretical analysis corresponding with experimental results has been used to explain the cause mechanism and nature of disc-brake squeal. By performing extensive
Hideto Murakami +2 more
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