Results 241 to 250 of about 1,539,014 (284)
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The measurement of noise, with special reference to engineering noise problems
Journal of the Institution of Electrical Engineers, 1934The paper deals with a detailed investigation of noise measurement for the purpose of establishing methods generally applicable to the sustained noises encountered in engineering. The work follows on that described in a previous paper. The necessity for redetermining the properties of the hearing system of the average individual in terms of free-space ...
B.G. Churcher, A.J. King, H. Davies
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Psychoacoustic study on contribution of fan noise to engine noise
Chinese Journal of Mechanical Engineering, 2012There are more researches on engine fan noise control focusing on reducing fan noise level through optimizing fan structure, and a lot of research achievements have been obtained. However, researches on the effect of fan noise to engine noise quality are lacking.
Junhong Zhang +6 more
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Coupled analysis of engine noise and interior noise of an automobile
Journal of Central South University, 2015The coupled model of a four-cylinder internal combustion engine and a dash panel was constructed to analyze the relationship between the engine noise and interior noise of an automobile. Finite element analysis, flexible multi-body dynamics, and boundary element analysis were integrated to obtain the tetrahedron-element models, structural vibration ...
Xu Zheng, Jie Mao, Zhi-yong Hao
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Aeroacoustics: Jet Noise, Combustion and Core Engine Noise
1976The papers in this volume deal essentially with the question whether the amplification of noise is due to the jet noise phenomenon or perhaps an interaction of airframe and core engine noise. In the area of jet noise suppression, various promising suppressor concepts are examined.
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The impact of marine engine noise exposure on seafarer fatigue: A China case
Ocean Engineering, 2022Xinjian Wang, Zaili Yang, Shiqi Fan
exaly
Optimization of exhaust emissions, vibration, and noise of a hydrogen enriched fuelled diesel engine
International Journal of Hydrogen Energy, 2022Erinç ULUDAMAR
exaly