Results 271 to 280 of about 336,595 (312)
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Effect of Engine Structure on Noise of Diesel Engines
Proceedings of the Institution of Mechanical Engineers: Automobile Division, 1964The objectionable noise of a diesel engine or ‘diesel knock’ is produced by the abrupt rise of cylinder pressure resulting from initial inflammation of the injected fuel. Worth-while reductions of this noise have been achieved by the control of the fuel injection characteristics producing a smoother pressure rise, but these are limited by performance ...
T. Priede, A. E. W. Austen, E. C. Grover
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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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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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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
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Sound quality prediction for engine-radiated noise
Mechanical Systems and Signal Processing, 2015Guangjian Ni
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