NUMERICAL STUDY OF THE PHENOMENON OF “BRAKE SQUEAL” IN THE DISC BRAKES. FIRST RESULTS

Gabriele Virzi' Mariotti, Davide Bonaccolta

Risultato della ricerca: Other

Abstract

In this paper we consider the problem of disc brake noise, an unstable behaviour that occurs in disc brakes due to particular vibratory phenomena. The most obvious phenomenology is the product wheezing during braking. The numerous researches carried out have not yet reached satisfactory results for knowledge. There was a total of high frequency squeal, which depends only on the characteristics of the disc and not by brake complete. Finite element method is applied to achieve modal analysis; a linear model was developed noting that to eliminate or reduce the phenomena of noise brake is necessary that the ranges of calliper-disc frequencies modal do not overlap. The modal analysis of the runway braking is a good starting point but is not the only approach possible because the phenomenon of brake squeal depends on many other factors that make it quite complex.
Lingua originaleEnglish
Numero di pagine0
Stato di pubblicazionePublished - 2009

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