브레이크 디스크 표면 패턴에 따른 FE 스퀼 및 진동해석

박기완; 남재현; 강재영; 김영식; 이재복; 류봉조

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자료유형: 학술저널

저자정보: 박기완 남재현 강재영 김영식 이재복 류봉조

저널정보: 한국기계기술학회 한국기계기술학회지 한국기계기술학회지 제19권 제6호

발행연도: 2017.1

수록면: 899 - 905 (7page)

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In this paper, the relationship between the frequency split and the mode-coupling in the disc doublet mode, which is expressed according to the pattern of the surface of the disc, is utilized by using of 3 types(Chaos, Vent-hole, Normal). As the frequency split between the doublet mode disc that is expressed in the model through the interpretation is larger, and analogy through interpretation mode-coupling instability also lower. Vent-hole, which has a relatively large frequency split of disc doublet mode in 3 types(Chaos, Vent-hole,Normal) model, showed a large value of critical coefficient of friction in which mode-coupling instability is expressed. In addition, it was confirmed by analysis that the Vent-hole had a relatively large frequency split than the other models by analyzing the change in contact stiffness. It can be concluded that the larger the frequency split of the disc doublet mode, the lower the instability due to the mode-coupling.

#비대칭성 #브레이크 스퀼 #접촉강성 #더블렛 모드 #주파수 차이 #모드연성 #Asymmetry #Brake squeal #Contact stiffness #Doublet mode #Frequency split #Mode-coupling

참고문헌 (11)

참고문헌 신청

D. N. Vanderlugt / 2004 / Analytical and Experimental Study of Automotive Disc Brake Squeal Vibration / Master / Purdue University

G. S. Korspeter / 2012 / Eigenvalue optimization against brake squeal: Symmetry, mathematical background and experiments / Journal of Sound and Vibration 331 (19) : 4259 ~ 42

J. D. Fieldhouse / 2004 / Rotor Asymmetry Used to Reduce Disc Brake Noise

J. Y. Kang / 2009 / Analytical formulation of mode-coupling instability in disc-pad coupled system / International Journal of Mechanical Sciences 51 (1) : 52 ~ 63

M. Nouby / 2009 / Disc Brake Squeal Reduction Through Pad Structural Modifications / ICREATE

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