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Title: Application of accelerometers for sensing combustion phasing of an advanced combustion engine

Abstract

This paper evaluates the ability of accelerometers to detect combustion phasing of a single-cylinder air-cooled internal combustion engine undergoing homogeneous charge compression ignition. Metrics derived from the measured surface acceleration waveform, surface velocity, and the surface-specific kinetic energy were compared to the 50 per cent energy release location (CA50) on a cyclic basis for three different experimental test cases. The peak surface velocity location showed a robust ability to detect CA50 on a cyclic basis for short combustion durations. Finally, using a simple single-degree-of-freedom vibration model, it is shown the impulsive nature of the combustion load and the natural frequency of the engine structure governs when the peak velocity location will indeed robustly detect CA50 on a on a per-engine cycle basis.

Authors:
 [1];  [2];  [1]
  1. Missouri Univ. of Science and Technology, Rolla, MO (United States). Dept. of Mechanical and Aerospace Engineering
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Fuels, Engines, and Emissions Research Center
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Missouri Univ. of Science and Technology, Rolla, MO (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1474744
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
International Journal of Engine Research
Additional Journal Information:
Journal Volume: 12; Journal Issue: 5; Journal ID: ISSN 1468-0874
Publisher:
SAGE
Country of Publication:
United States
Language:
English
Subject:
33 ADVANCED PROPULSION SYSTEMS; internal combustion engine; homogeneous charge compression ignition; engine control; accelerometer; engine vibrations; combustion phasing; velocity; impulse load

Citation Formats

Massey, J. A., Wagner, R. M., and Drallmeier, J. A.. Application of accelerometers for sensing combustion phasing of an advanced combustion engine. United States: N. p., 2011. Web. doi:10.1177/1468087411411639.
Massey, J. A., Wagner, R. M., & Drallmeier, J. A.. Application of accelerometers for sensing combustion phasing of an advanced combustion engine. United States. doi:10.1177/1468087411411639.
Massey, J. A., Wagner, R. M., and Drallmeier, J. A.. Sat . "Application of accelerometers for sensing combustion phasing of an advanced combustion engine". United States. doi:10.1177/1468087411411639. https://www.osti.gov/servlets/purl/1474744.
@article{osti_1474744,
title = {Application of accelerometers for sensing combustion phasing of an advanced combustion engine},
author = {Massey, J. A. and Wagner, R. M. and Drallmeier, J. A.},
abstractNote = {This paper evaluates the ability of accelerometers to detect combustion phasing of a single-cylinder air-cooled internal combustion engine undergoing homogeneous charge compression ignition. Metrics derived from the measured surface acceleration waveform, surface velocity, and the surface-specific kinetic energy were compared to the 50 per cent energy release location (CA50) on a cyclic basis for three different experimental test cases. The peak surface velocity location showed a robust ability to detect CA50 on a cyclic basis for short combustion durations. Finally, using a simple single-degree-of-freedom vibration model, it is shown the impulsive nature of the combustion load and the natural frequency of the engine structure governs when the peak velocity location will indeed robustly detect CA50 on a on a per-engine cycle basis.},
doi = {10.1177/1468087411411639},
journal = {International Journal of Engine Research},
number = 5,
volume = 12,
place = {United States},
year = {2011},
month = {10}
}

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Cited by: 1 work
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