BE Automobile Engineering Semester 8 (BE Fourth Year)University of Mumbai
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Noise, Vibrations and Harshness Semester 8 (BE Fourth Year) BE Automobile Engineering University of Mumbai Topics and Syllabus

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CBCGS [2019 - current]
CBGS [2015 - 2018]
Old [2000 - 2014]

Topics with syllabus and resources

100.00 Module 1
101.00 Basics of Vibrations
  • Basic Concepts
  • Mathematical Models
  • System characteristics and response
  • Single and Multi DOF systems
200.00 Module 2
201.00 Vibration Control
  • Isolators
  • Tuned absorbers
  • Untuned viscous dampers
  • Applications: single cylinder engines, multi cylinder engine
  • Simple rubber engine mounts
  • Hydro elastic mounts
  • Semi active mounts and active mounts
  • Mass elastic models and measurements
  • Limits for passenger comforts
300.00 Module 3
301.00 Sound and Sound Measurement
  • Fundamentals of acoustics
  • General sound propagation
  • Plane wave propagation
  • Spherical wave propagation
  • Human response to sound – the audible range
  • Sound measurement
  • Instrumentation
  • Sound level meters
  • Frequency intensity analyzers
  • Real time measurements
400.00 Module 4
401.00 Automotive Noise
  • Automotive noise criteria
  • Drive by noise test
  • Noise from stationary vehicles
  • Interior noise in vehicles
  • Automotive noise
  • Sources and control methods

i) Engine noise

ii) Transmission noise

iii) Intake and exhaust noise

iv) Aerodynamic noise

v) Tyre noise

vi) Brake noise

500.00 Module 5
501.00 General Noise Control Principles
  • Sound in enclosures
  • Sound energy absorption
  • Sound transmission through barriers.
600.00 Module 6
601.00 Harshness
  • Causes
  • Frequency limits

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