The engine vibration and noise induced by a valve train element are analyzed through the modeling and experiment method. The valve train dynamics are first studied to make clear the sources of the valve train noise. The component flexibility and inertia of mass are all taken into consideration as well as the contact or impact behaviors. The contact or impact forces are applied on the combined model of a combined structure. The resulting vibration responses at the outer surfaces are considered to be the boundary conditions of the acoustic model. The acoustic model is built by the boundary element method. The analysis results show that the noise induced by the valve train element is mainly in the 500–800 Hz 1/3 octave bands. The noise in this frequency range is related to not only the resonance of oil pan and valve cover but also the overall combined structure stiffness. And moreover, the resonance of the valve train element excited by the harmonic of the camshaft rotational frequency has heightened the noise radiation in this frequency range. The noise in the low-frequency range is determined by the exciting components of the cam profile, and that in the high-frequency range are produced mainly by the valve–seat impact and by the cam–tappet impact. The analysis results are proved well by comparison with the experimental results. Thus, the results are very useful for understanding the source characteristics of valve train noise.
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September 2016
Research-Article
Analysis of Engine Vibration and Noise Induced by a Valve Train Element Combined With the Dynamic Behaviors
Jie Guo,
Jie Guo
College of Power and Energy Engineering,
Harbin Engineering University,
Harbin 150001, China
e-mail: guojie@hrbeu.edu.cn
Harbin Engineering University,
Harbin 150001, China
e-mail: guojie@hrbeu.edu.cn
Search for other works by this author on:
Yipeng Cao,
Yipeng Cao
College of Power and Energy Engineering,
Harbin Engineering University,
Harbin 150001, China
e-mail: yipengcao@hrbeu.edu.cn
Harbin Engineering University,
Harbin 150001, China
e-mail: yipengcao@hrbeu.edu.cn
Search for other works by this author on:
Wenping Zhang,
Wenping Zhang
College of Power and Energy Engineering,
Harbin Engineering University,
Harbin 150001, China
e-mail: zhangwenping@hrbeu.edu.cn
Harbin Engineering University,
Harbin 150001, China
e-mail: zhangwenping@hrbeu.edu.cn
Search for other works by this author on:
Xinyu Zhang
Xinyu Zhang
College of Power and Energy Engineering,
Harbin Engineering University,
Harbin 150001, China
e-mail: zhangxinyu@hrbeu.edu.cn
Harbin Engineering University,
Harbin 150001, China
e-mail: zhangxinyu@hrbeu.edu.cn
Search for other works by this author on:
Jie Guo
College of Power and Energy Engineering,
Harbin Engineering University,
Harbin 150001, China
e-mail: guojie@hrbeu.edu.cn
Harbin Engineering University,
Harbin 150001, China
e-mail: guojie@hrbeu.edu.cn
Yipeng Cao
College of Power and Energy Engineering,
Harbin Engineering University,
Harbin 150001, China
e-mail: yipengcao@hrbeu.edu.cn
Harbin Engineering University,
Harbin 150001, China
e-mail: yipengcao@hrbeu.edu.cn
Wenping Zhang
College of Power and Energy Engineering,
Harbin Engineering University,
Harbin 150001, China
e-mail: zhangwenping@hrbeu.edu.cn
Harbin Engineering University,
Harbin 150001, China
e-mail: zhangwenping@hrbeu.edu.cn
Xinyu Zhang
College of Power and Energy Engineering,
Harbin Engineering University,
Harbin 150001, China
e-mail: zhangxinyu@hrbeu.edu.cn
Harbin Engineering University,
Harbin 150001, China
e-mail: zhangxinyu@hrbeu.edu.cn
1Corresponding author.
Contributed by the IC Engine Division of ASME for publication in the JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Manuscript received January 28, 2016; final manuscript received January 29, 2016; published online March 30, 2016. Editor: David Wisler.
J. Eng. Gas Turbines Power. Sep 2016, 138(9): 092806 (11 pages)
Published Online: March 30, 2016
Article history
Received:
January 28, 2016
Revised:
January 29, 2016
Citation
Guo, J., Cao, Y., Zhang, W., and Zhang, X. (March 30, 2016). "Analysis of Engine Vibration and Noise Induced by a Valve Train Element Combined With the Dynamic Behaviors." ASME. J. Eng. Gas Turbines Power. September 2016; 138(9): 092806. https://doi.org/10.1115/1.4032715
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