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Published Paper Details:
Study Of The Sound Pressure Level Per Octave Measured During No-Load Mechanical Run Test And Development Of An Acoustic Hood
Authors
Ameena Kausar,Nisarga S,Shivagami M
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Keywords
Sound pressure level, octave bands, acoustic hood, glass wool
Abstract
This study aims to investigate the sound characteristics exhibited during the no load mechanical run test of a gearbox and develop an effective acoustic hood to mitigate the resulting noise. The experimental setup involves subjecting the gearbox to a no load mechanical run test, which simulates its normal operating conditions without any external load. During the test, sound pressure levels are recorded using Bruel and Kjaer meter at three different locations surrounding the gear. The recorded data is then analyzed by dividing it into octave bands to determine the distribution of sound energy across different frequency ranges. The analysis indicates peak sound energy levels at specific frequencies and provides valuable information of designing an effective noise reduction solution Based on the findings, an acoustic hood is developed to attenuate the sound produced by the device and effect of the acoustic hood will be evaluated. The developed acoustic hood successfully reduces the sound pressure levels in the identified frequency ranges. The results demonstrate the importance of frequency-specific noise reduction measures in improving the acoustic performance of the device.
IJCRT's Publication Details
Unique Identification Number - IJCRT2306876
Paper ID - 240199
Author type - Indian Author
Page Number(s) - h412-h420
Pubished in - Volume 11 | Issue 6 | June 2023
DOI (Digital Object Identifier) -
No Of Downloads - 122
Author Country - India, 570001, Mysuru, Mysuru, 570001, Science and Technology
Publisher Name - IJPUBLICATION | www.ijcrt.org | ISSN : 2320-2882
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Ameena Kausar,Nisarga S,Shivagami M, "Study Of The Sound Pressure Level Per Octave Measured During No-Load Mechanical Run Test And Development Of An Acoustic Hood", International Journal of Creative Research Thoughts (IJCRT), ISSN:2320-2882, Volume.11, Issue 6, pp.h412-h420, June 2023, Available at :http://www.ijcrt.org/papers/IJCRT2306876.pdf
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ISSN: 2320-2882 Impact Factor: 7.97 and ISSN APPROVED Journal Starting Year (ESTD) : 2013
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