Results 191 to 200 of about 1,026,698 (226)

A model of wheel-rail squealing noise

Journal of Sound and Vibration, 1990
Abstract The intense, high-pitched squeal generated by railway vehicles traversing narrow curves irritates passengers as well as inhabitants. A powerful model for the analysis of the squealing noise of railway wheels is presented, which includes the entire path from the excitation to the human ear.
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Investigation and Reduction of Brake Squeal and Groan Noise

SAE Technical Paper Series, 2015
<div class="section abstract"><div class="htmlview paragraph">Brake noise is one of the common complaints and an irritant not just for the vehicle occupants but equally for the passers-by. Brake noise is actually vibration that is occurring at a frequency that is audible to the human ear.
Aditya Kant Choudhary, Yogesh Mense, Saurabh Singh, Mahesh Shridhare   +3 more
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Modelling and mitigation of wheel squeal noise amplitude

Journal of Sound and Vibration, 2018
The prediction of vibration amplitude and sound pressure level of wheel squeal noise is investigated using a concise mathematical model that is verified with measurements from both a rolling contact two disk test rig and a field case study. The model is used to perform an energy-based analysis to determine a closed form solution to the steady state ...
Meehan, Paul A., Liu, Xiaogang
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Brake Squeal Noise Due to Disk Misalignment

Volume 1: 20th Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C, 2005
To understand brake squeal noise, the sound and vibration of an automobile brake system were measured using a brake dynamometer. The experimental results show that an important factor in squeal generation is the run-out due to disk misalignment. A three-degree of freedom model is developed for the brake system, where the run-out effect and nonlinear ...
Yeon-Sun Choi, Ju-Pyo Park
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Effect of Damping on Brake Squeal Noise

2007
Brake squeal is one of the major issues in the design process of an automotive brake and the development of a robust procedure for a "squeal-free" design is still under investigation. This paper presents an experimental investigation on a beam on disc setup.
MASSI, Francesco, GIANNINI, Oliviero
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Squeal noise in simple numerical brake models

Journal of Sound and Vibration, 2015
Abstract Since the early 1920s, automotive disc brake squeal has caused warranty issues and customer dissatisfaction. Despite a good deal of progress achieved, predicting brake squeal propensity is as difficult as ever as not all mechanisms and interactions are known owing to their highly fugitive complex nature.
S. Oberst, J.C.S. Lai
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Brake Squeal Noise Testing and Analysis Correlation

SAE Technical Paper Series, 2003
<div class="htmlview paragraph">Brake squeal has been a persistent quality issue for automobile OEMs and brake system suppliers. The ability to model and measure brake squeal dynamics is of utmost importance in brake squeal reduction efforts. However, due to the complex nature of brake squeal and the wide frequency range in which it occurs, it is
Steven Dom, Mark Riefe, Tinghui Steven Shi   +2 more
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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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Effects of brake pressure and temperature on squeal noise

The Journal of the Acoustical Society of America, 2001
Brake squeal noise has been an important issue for the automotive industry. This phenomenon is related to the modal coupling of the rotor and the pads of a brake system. When a mode of the pad matches with a mode of the rotor, the system becomes unstable.
Alessandro Mattiuzi Balvedi, Ahid Nashif
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A Study on Low-Frequency Brake Squeal Noise

SAE Technical Paper Series, 1996
<div class="htmlview paragraph">A new method to predict low-frequency brake squeal occurrence was developed and guidelines for its elimination were formulated.</div> <div class="htmlview paragraph">First, a characteristic of the phenomenon was investigated using a simplified three-degree-of-freedom system model to obtain guidelines ...
Ichiro Kido, Tuyoshi Kurahachi, Makoto Asai   +2 more
openaire   +1 more source