Effect of Resonator on Transmission Loss and Sound Pressure Level of an Air Intake System
Vishal Vaidya1, P.P. Hujare2
1Vishal Vaidya,  PG Student Sinhgad Academy of Engineering, Pune, India.
2Prof. P.P. Hujare,  Asst. Prof. Sinhgad Academy of Engineering, Pune, India.
Manuscript received on January 20, 2014. | Revised Manuscript received on February 16, 2014. | Manuscript published on February 28, 2014. | PP: 349-351  | Volume-3, Issue-3, February 2014. | Retrieval Number:  C2741023314/2013©BEIESP

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Abstract: This paper emphasizes the role of resonator on transmission loss in air intake system and its sound pressure level reduction. The intake noise of an automobile induced by firing of an engine accompanies acoustic resonance of ducts of an intake system. Conventionally, the adoption of an integrated type resonator was one of possible ways to eliminate the booming noise due to acoustic resonances of air ducts. Although the Helmholtz type resonator is convenient to attenuate the intake noise of an automobile, the usage of the Helmholtz type resonator requires cost increase or big engine room space.
Keywords: Air intake system, Resonator, Acoustics Simulation.