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Title of Journal: IntJ Automot Technol

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Abbravation: International Journal of Automotive Technology

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The Korean Society of Automotive Engineers

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DOI

10.1016/0002-9610(46)90299-1

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ISSN

1976-3832

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Interior sound field refinement of a passenger car

Authors: X Han Y J Guo H D Yu P Zhu
Publish Date: 2009/02/10
Volume: 10, Issue: 1, Pages: 79-85
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Abstract

Panel acoustic contribution analysis PACA is a practical engineering tool for the reduction of interior structureborne noise in passenger cars In this study the current PACA method has been improved for sound field refinement of the entire interior Two new parameters the “acoustic contribution sum” and the “total sound field contribution” are introduced to analyze the interior sound field characterized with multiple field points and sound pressure peaks and to evaluate the integrated acoustic contributions of auto body panels In addition a systematic methodology for automotive interior sound field refinement is also proposed on the basis of the modified PACA method An example of a passenger car model demonstrates the application of the soundfieldrefinement methodology and shows the advantage of using damping layers at optimum locations on the auto body The example also shows that the modified PACA method has practical significance for refining the interior sound field and decreasing added mass in accord with the trend towards lightweight auto bodies


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  1. Sliding-mode observer for urea-selective catalytic reduction (SCR) mid-catalyst ammonia concentration estimation
  2. Effect of punch angle on energy absorbing characteristics of tube-type crash elements
  3. Combustion development of a Bi-Fuel engine
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  5. Electrochemical battery model and its parameter estimator for use in a battery management system of plug-in hybrid electric vehicles
  6. Experimental and computational study on recompression reaction of pilot-injected fuel during negative valve overlap in a gasoline-fueled homogeneous charge compression ignition engine
  7. Efficiency improvement for an unthrottled SI engine at part load
  8. Design and evaluation of sideslip angle observer for vehicle stability control
  9. Design and use of an eddy current retarder in an automobile
  10. Common rail injection system iterative learning control based parameter calibration for accurate fuel injection quantity control
  11. Technology analysis and low-cost design of automotive radar for adaptive cruise control system
  12. Robust optimization design method for powertrain mounting systems based on six sigma quality control criteria
  13. Electromagnetic valve train for gasoline engine exhaust system
  14. Impulse-momentum based analysis of vehicle collision accidents using Monte Carlo simulation methods
  15. Detection and isolation of faults in the exhaust path of turbocharged automotive engines
  16. Numerical model for prediction of brake judder due to wear and rust
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  18. Experimental and 3D, embedded modeling for diesel engine SCR deposit
  19. Simulation of HCCI combustion with spatial inhomogeneities via a locally deterministic approach

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