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Application of an Acoustical Resonator to Reduce HVAC Blower Noise
Technical Paper
2001-01-1526
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Blower noise is the single most dominating contributor of interior noise for several operating conditions; the worst condition being low engine speed and high HVAC fan speed. The goal of the research presented in this paper is to investigate the application of an acoustical resonator to reduce HVAC blower noise. Resonator systems are constructed and objective bench tests are performed to objectively assess their effectiveness towards a specific acoustical issue within the HVAC system. In addition, HVAC performance is objectively measured to ensure that airflow has not been degraded with the addition of the resonator. Modeling and simulation are used in this research to verify the HVAC system acoustical properties and to optimize the location of the resonator.
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Citation
Case, J. and Cuddy, W., "Application of an Acoustical Resonator to Reduce HVAC Blower Noise," SAE Technical Paper 2001-01-1526, 2001, https://doi.org/10.4271/2001-01-1526.Also In
References
- Ingard U. “On the Theory and Design of Acoustic Resonators” The Journal of the Acoustical Society of America 25 6 November 1953