Study on the Sound Quality of Steady and Unsteady Exhaust Noise
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DOI: 10.1155/2018/6205140
Abstract: In order to predict and study the sound quality of automobile exhaust noise, Zwicker steady-state and time-varying method were applied to calculate the psychoacoustic objective parameter values in terms of the exhaust noise of sample… read more here.
Keywords: exhaust noise; quality; study sound; sound quality ... See more keywords
A Numerical Study of the Sound and Force Production of Flexible Insect Wings
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DOI: 10.3390/fluids3040087
Abstract: We numerically solved the acoustic and flow field around cicada wing models with parametrically varied flexibility using the hydrodynamic/acoustic splitting method. We observed a gradual change of sound directivity with flexibility. We found that flexible… read more here.
Keywords: dynamic pressure; study sound; numerical study; sound force ... See more keywords