The impulsive behavior of the piston in the cylinder liner plays a key role in the noise, vibration, and harshness (NVH) of internal combustion engines. There have been several studies on the identification and quantification of piston impact action under various operation conditions. In the current study, the dynamics of the piston secondary motion are initially explored in order to describe the aggressive oscillations, energy loss, and noise generation. The control of piston secondary motion (and thus, impacts) is investigated using a new passive approach based on energy transfer of the highly transient oscillations to a nonlinear absorber. The effectiveness of this new method for improving the piston impact behavior is discussed using a preliminary parametric study that leads to the conceptual design of a nonlinear energy absorber.
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October 2017
Research-Article
Passive Control of Piston Secondary Motion Using Nonlinear Energy Absorbers
N. Dolatabadi,
N. Dolatabadi
Wolfson School of Mechanical,
Electrical and Manufacturing Engineering,
Loughborough University,
Leicestershire LE11 3TU, UK
e-mail: N.Dolatabadi@lboro.ac.uk
Electrical and Manufacturing Engineering,
Loughborough University,
Leicestershire LE11 3TU, UK
e-mail: N.Dolatabadi@lboro.ac.uk
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S. Theodossiades,
S. Theodossiades
Professor
Wolfson School of Mechanical, Electrical
and Manufacturing Engineering,
Loughborough University,
Leicestershire LE11 3TU, UK
e-mail: S.Theodossiades@lboro.ac.uk
Wolfson School of Mechanical, Electrical
and Manufacturing Engineering,
Loughborough University,
Leicestershire LE11 3TU, UK
e-mail: S.Theodossiades@lboro.ac.uk
Search for other works by this author on:
S. J. Rothberg
S. J. Rothberg
Professor
Wolfson School of Mechanical, Electrical
and Manufacturing Engineering,
Loughborough University,
Leicestershire LE11 3TU, UK
e-mail: S.J.Rothberg@lboro.ac.uk
Wolfson School of Mechanical, Electrical
and Manufacturing Engineering,
Loughborough University,
Leicestershire LE11 3TU, UK
e-mail: S.J.Rothberg@lboro.ac.uk
Search for other works by this author on:
N. Dolatabadi
Wolfson School of Mechanical,
Electrical and Manufacturing Engineering,
Loughborough University,
Leicestershire LE11 3TU, UK
e-mail: N.Dolatabadi@lboro.ac.uk
Electrical and Manufacturing Engineering,
Loughborough University,
Leicestershire LE11 3TU, UK
e-mail: N.Dolatabadi@lboro.ac.uk
S. Theodossiades
Professor
Wolfson School of Mechanical, Electrical
and Manufacturing Engineering,
Loughborough University,
Leicestershire LE11 3TU, UK
e-mail: S.Theodossiades@lboro.ac.uk
Wolfson School of Mechanical, Electrical
and Manufacturing Engineering,
Loughborough University,
Leicestershire LE11 3TU, UK
e-mail: S.Theodossiades@lboro.ac.uk
S. J. Rothberg
Professor
Wolfson School of Mechanical, Electrical
and Manufacturing Engineering,
Loughborough University,
Leicestershire LE11 3TU, UK
e-mail: S.J.Rothberg@lboro.ac.uk
Wolfson School of Mechanical, Electrical
and Manufacturing Engineering,
Loughborough University,
Leicestershire LE11 3TU, UK
e-mail: S.J.Rothberg@lboro.ac.uk
Contributed by the Technical Committee on Vibration and Sound of ASME for publication in the JOURNAL OF VIBRATION AND ACOUSTICS. Manuscript received September 19, 2016; final manuscript received March 27, 2017; published online June 28, 2017. Assoc. Editor: Jeffrey F. Rhoads.
J. Vib. Acoust. Oct 2017, 139(5): 051009 (12 pages)
Published Online: June 28, 2017
Article history
Received:
September 19, 2016
Revised:
March 27, 2017
Citation
Dolatabadi, N., Theodossiades, S., and Rothberg, S. J. (June 28, 2017). "Passive Control of Piston Secondary Motion Using Nonlinear Energy Absorbers." ASME. J. Vib. Acoust. October 2017; 139(5): 051009. https://doi.org/10.1115/1.4036468
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