The areas of research undertaken by the Noise, Vibration and Harshness – Sound Quality Research Group are directed towards automotive and computer related NVH issues with a focus toward psychoacoustic, or sound quality, apects of noise control. Consultancy and research activities for product development services are also offered.

Services Offered by the NVH-SQ Group

  • Semi-Anechoic facilities for consumer product testing and qualification
  • Full acoustic analysis capabilities including Sound Intensity for product development and trouble shooting
  • Application of Sound Quality and Psychoacoustics analysis
  • Expertise in Automotive, Environmental and Electronic Packaging NVH
  • Building and Architectural acoustic design, evaluation and testing

Media

Recent Publications

Refereed Journal Publications

  1. “Intake Noise Cancellation Using a Manifold Bridging Technique”; Novak, C., Ule, H., Gaspar, R.; Canadian Acoustical Association; Volume 32 – Number 1, 2004.
  2. “Case Study of Noise Attenuation of Large Automotive Manufacturing Facility”; Novak, C.; Canadian Acoustical Association; Volume 30, 2002.
  3. “Development of a Plastic Manifold Noise Syntheses Technique”; Novak, C., Gaspar, R., Fletcher, S., Daly, P.; The Society of Automotive Engineers; 2001 Transactions Journal of Engines.

Refereed Conference Publications

  1. “Comparative Investigation of Vibration and Acoustic Measurements of Next Generation Computer Cooling Fans”; Novak, C., Ule, H., Gaspar, R.; Inter Noise; Abstract Submitted, December 2006.
  2. “Use of Psychoacoustic Metrics for the Analysis of Next Generation Computer Graphics Card Noise”; Novak, C., Ule, H., Gaspar, R., Refai-Ahmed, G.; The American Society of Mechanical Engineers; CDRom, 5, InterPACK ’05 Conference; San Fransico, California, July 2005.
  3. “Effect of Next Generation Computer Graphic Card Blower Fan Speed on Thermal Performance and Acoustic Noise with Psychoacoustic Metrics”; Ule, H., Novak, C., Gaspar, G., Panigraphy, A., Refai-Ahmed, G.; The American Society of Mechanical Engineers; CDRom, 5, InterPACK ’05 Conference; San Fransico, California, July 2005.
  4. “Future of Thermal Management of High End Video Cards in ATX and BTX”; Refai-Ahmed, G., Novak, C., Tantoush, M.; The American Society of Mechanical Engineers; CDRom, 5, InterPACK ’05 Conference; San Fransico, California, July 2005.
  5. “Noise Cancellation Technique for Automotive Intake Noise Using a Manifold Bridging Technique”; Novak, C., Ule, H., Gaspar, R.; The Society of Automotive Engineers; 2005-01-2368; Novi, Michigan, May 2005.
  6. “Development of a Plastic Manifold Noise Syntheses Technique”; Novak, C., Gaspar, R., Fletcher, S., Daly, P.; The Society of Automotive Engineers; 2001 World Congress; Detroit, Michigan, April 2001.

Non-Refereed Conference Publications

  1. “Computational Aeroacoustics of Electronics Coolers”; Defoe, J., Novak, C.; Canadian Acoustical Association; Abstract Submitted, Halifax, Nova Scotia, October 2006.
  2. “A Critial Analysis of Loudness Calculation Methods”; Defoe, J., Novak, C., Ule, H.; Canadian Acoustical Association; Abstract Submitted, Halifax, Nova Scotia, October 2006.
  3. “Graphics Processing Unit Cooling Solutions”; Nantais, M., Novak, C.; Canadian Acoustical Association; Abstract Submitted, Halifax, Nova Scotia, October 2006.
  4. “Comparative Study of Noise and Vibration Measurements of Computer Cooling Fans”; Novak, C., Ule, H., Gaspar, R.; Canadian Acoustical Association; Abstract Submitted, Halifax, Nova Scotia, October 2006.
  5. “Experimental Evaluation of Automotive Cabin Noise Using Various Noise and Vibration Measurement Techniques”; Radic, N., Novak, C., Ule, H.; Canadian Acoustical Association; Abstract Submitted, Halifax, Nova Scotia, October 2006.
  6. “The Effect of Varying Heat Sink Fin Distances from Cooling Fan Blade Tip on Noise Emissions”; Ule, H., Novak, C., Gaspar, R.; Canadian Acoustical Association; Abstract Submitted, Halifax, Nova Scotia, October 2006.
  7. “Effect of Next Generation Computer Cooling Fan Speed on Acoustic Noise Emissions”; Ule, H., Novak, C., Gaspar, R., Wiley, R.; Canadian Acoustical Association; Volume 33 – Number 3, London, Ontario, October 2005.
  8. “Use of Psychoacoustic Metrics for the Analysis of Next Generation Computer Cooling Fan Noise”; Novak, C., Ule, H., Gaspar, R., Wiley, R.; Canadian Acoustical Association; Volume 33 – Number 3, London, Ontario, October 2005.
  9. “Comparison of Experimental and Modeled Insertion Loss of a Complex Multi-Chamber Muffler with Temperature and Flow Effects”; Ule, H., Novak, C., Spadafora, T., Ramakrishnan, R., Gaspar, R.; Canadian Acoustical Association; Volume 32 – Number 3, Ottawa, Ontario, October 2004.
  10. “Use of Sound Quality Metrics for the Analysis of Automotive Intake Noise”; Novak, C., Ule, H., Gaspar, R.; Canadian Acoustical Association; Volume 32 – Number 3, Ottawa, Ontario, October 2004.
  11. “Validation of ISO 9613 Part 2″; Ramakrishnan, R., Novak, C.; Canadian Acoustical Association; Volume 32 – Number 3, Ottawa, Ontario, October 2004.
  12. “Outdoor Noise Propagation”; Ramakrishnan, R., Novak, C., Ule, H., Gaspar, R.; Canadian Acoustical Association; Volume 31 – Number 3, Edmonton, Alberta, October 2003.
  13. “Comparison of Experimental and Modelled Insertion Loss of a Complex Multi-Chamber Muffler”; Ule, H., Novak, C., Ramakrishnan, R., Gaspar, R.; Canadian Acoustical Association; Volume 30 – Number 3, Charlottetown, PEI, October 2002.
  14. “The Effect of Background Noise on Sound Power in Both a Reverberant and Acoustic Environment”; Novak, C., Ule, H., Ramakrishnan, R., Gaspar, R.; Canadian Acoustical Association; Volume 30 – Number 3, Charlottetown, PEI, October 2002.
  15. “Comparative Investigation Between a Simplified Theoretical and a Complex Computer Simulation Muffler Model”; Novak, C., Ule, H., Gaspar, R.; Canadian Acoustical Association; Volume 29 – Number 4, Alliston, Ontario, October 2001.
  16. “Experimental Testing of Intake Manifold Noise”; Novak, C., Gaspar, R.; Canadian Acoustical Association; Volume 25 – Number 3, Windsor, Ontario, October 1997.