| Issue |
MATEC Web of Conferences
Volume 40, 2016
2015 International Conference on Mechanical Engineering and Electrical Systems (ICMES 2015)
|
|
|---|---|---|
| Article Number | 05001 | |
| Number of page(s) | 5 | |
| Section | Thermal theory and application | |
| DOI | https://doi.org/10.1051/matecconf/20164005001 | |
| Published online | 29 January 2016 | |
The Harmonic Response Analysis with Acoustic-vibration Coupling of the Combustion Chamber under Different Combustion Conditions
1 College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, 210014 Nanjing, China
2 Institution of Vibration Engineering, Nanjing University of Aeronautics and Astronautics, 210014 Nanjing, China
In this paper, numerical calculations of harmonic response with acoustic-vibration coupling of the combustion chamber under different combustion conditions has been performed by combining CFD and FEM methods. Temperature and sound pressure fields created by the flame in the combustion chamber are calculated first. And then the results of the CFD are exported to the FEM analysis for the interaction between acoustic waves and wall vibrations. The possible acoustic-vibration coupled eigenfrequencies at given combustion conditions are predicted by the harmonic response analysis.
© Owned by the authors, published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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