A VIBRATIONAL ANALYSIS OF A PIN-DISC SYSTEM WITH PARTICULAR REFERENCE TO SQUEAL NOISE IN DISC-BRAKES

Expressions for the receptances and characteristic frequencies of a rotating disc under forced oscillations, using bessel functions, are developed. These are combined with similar expressions, using a finite element technique, for the pin system, to give the characteristic frequencies and modal shapes of the coupled system. The fundamental resonance frequencies of the coupled system, observed for a series of experimental results, compare favourably with theoretical predictions. Generally these coupled frequencies are at, or near to, an anti-resonance of the free disc. An essentially torsional vibratory mode of the pin system is observed to be needed in order to generate noise producing vibratory patterns on the disc. The line of action of the resultant force on the pin, in relation to the torsional centre of the pin system, is shown to be the main criterion in determining its vibrational mode. /Author/ /TRRL/

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/isbn/0853346429
• Supplemental Notes:
  • Papers presented at the Annual Conference of the Stress Analysis Group of the Institute of Physica held at the University of Ashton, Birmingham, England.
• Corporate Authors:

  Applied Science Publishers Limited

  22 Rippleside Commercial Estate, Ripple Road
  Barking, Essex,   England 

  John Wiley & Sons, Incorporated

  111 River Street
  Hoboken, NJ  United States  07030-6000
• Authors:
  • Earles, SWE
  • Soar, G B
  • Gibbs, H G
  • Richards, T H
• Conference:
  • Papers presented at the Annual Conference of the Stress Analysis Group of the Institute of Physica held at the University of Ashton, Birmingham, England.
• Publication Date: 1975

Language

• English

Media Info

• Features: Figures; References;
• Pagination: p. 237-251

Subject/Index Terms

• TRT Terms: Analysis; Brakes; Conferences; Disc brakes; Mathematical analysis; Noise; Sound; Torsion; Underwater construction; Vehicles; Vibration
• ITRD Terms: 1057: Air transport network; 6471: Analysis (math); 1361: Brake; 8525: Conference; 6748: Sound; 5512: Torsion; 5558: Vibration
• Subject Areas: Environment; Highways; Safety and Human Factors; Vehicles and Equipment; I91: Vehicle Design and Safety;

Filing Info

• Accession Number: 00137802
• Record Type: Publication
• Source Agency: Transport and Road Research Laboratory (TRRL)
• ISBN: 0853346429
• Report/Paper Numbers: Proceeding
• Files: ITRD, TRIS
• Created Date: Apr 27 1977 12:00AM