Investigation of combustion-induced vibration sources in a diesel engine in the time-frequency domain using the wavelet analysis method and wavelet cross-correlation analysis method
This study investigated the characteristics of in-cylinder pressure and vibration acceleration for a single-cylinder diesel engine for different engine speeds using three analysis methods: FFT analysis, wavelet analysis, and wavelet cross-correlation analysis. The cross-correlation coefficients betw...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-03-01
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| Series: | Measurement: Energy |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2950345025000041 |
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| author | Natsuki Takahashi Shun Nakagawa Masato Mikami |
| author_facet | Natsuki Takahashi Shun Nakagawa Masato Mikami |
| author_sort | Natsuki Takahashi |
| collection | DOAJ |
| description | This study investigated the characteristics of in-cylinder pressure and vibration acceleration for a single-cylinder diesel engine for different engine speeds using three analysis methods: FFT analysis, wavelet analysis, and wavelet cross-correlation analysis. The cross-correlation coefficients between the in-cylinder pressure and the vibration acceleration of the outer wall near the combustion chamber in the 1/3-octave band were examined to determine whether there was any engine speed dependency and what vibration-transmission characteristics were present. The results from the engine speed dependency suggest that the vibration at 2500 Hz is caused by the piston-connecting rod coupled vibration, which is one of the natural frequencies of the engine, the vibration at 8000 Hz is caused by a combustion chamber resonance, at 6300 Hz a combustion chamber resonance may be linked with a piston natural vibration, and a piston slap may cause the vibration at 5000 Hz. These analysis methods are useful for predicting the source of combustion-induced vibration. |
| format | Article |
| id | doaj-art-6d15b8bc8f254d288701c426b2e480c2 |
| institution | Kabale University |
| issn | 2950-3450 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Measurement: Energy |
| spelling | doaj-art-6d15b8bc8f254d288701c426b2e480c22025-02-05T04:32:57ZengElsevierMeasurement: Energy2950-34502025-03-015100037Investigation of combustion-induced vibration sources in a diesel engine in the time-frequency domain using the wavelet analysis method and wavelet cross-correlation analysis methodNatsuki Takahashi0Shun Nakagawa1Masato Mikami2Graduate School of Sciences and Technology for Innovation, Yamaguchi University, 2-16-1 Tokiwadai, Ube, Yamaguchi 755-8611, JapanGraduate School of Sciences and Technology for Innovation, Yamaguchi University, 2-16-1 Tokiwadai, Ube, Yamaguchi 755-8611, JapanCorresponding author.; Graduate School of Sciences and Technology for Innovation, Yamaguchi University, 2-16-1 Tokiwadai, Ube, Yamaguchi 755-8611, JapanThis study investigated the characteristics of in-cylinder pressure and vibration acceleration for a single-cylinder diesel engine for different engine speeds using three analysis methods: FFT analysis, wavelet analysis, and wavelet cross-correlation analysis. The cross-correlation coefficients between the in-cylinder pressure and the vibration acceleration of the outer wall near the combustion chamber in the 1/3-octave band were examined to determine whether there was any engine speed dependency and what vibration-transmission characteristics were present. The results from the engine speed dependency suggest that the vibration at 2500 Hz is caused by the piston-connecting rod coupled vibration, which is one of the natural frequencies of the engine, the vibration at 8000 Hz is caused by a combustion chamber resonance, at 6300 Hz a combustion chamber resonance may be linked with a piston natural vibration, and a piston slap may cause the vibration at 5000 Hz. These analysis methods are useful for predicting the source of combustion-induced vibration.http://www.sciencedirect.com/science/article/pii/S2950345025000041 |
| spellingShingle | Natsuki Takahashi Shun Nakagawa Masato Mikami Investigation of combustion-induced vibration sources in a diesel engine in the time-frequency domain using the wavelet analysis method and wavelet cross-correlation analysis method Measurement: Energy |
| title | Investigation of combustion-induced vibration sources in a diesel engine in the time-frequency domain using the wavelet analysis method and wavelet cross-correlation analysis method |
| title_full | Investigation of combustion-induced vibration sources in a diesel engine in the time-frequency domain using the wavelet analysis method and wavelet cross-correlation analysis method |
| title_fullStr | Investigation of combustion-induced vibration sources in a diesel engine in the time-frequency domain using the wavelet analysis method and wavelet cross-correlation analysis method |
| title_full_unstemmed | Investigation of combustion-induced vibration sources in a diesel engine in the time-frequency domain using the wavelet analysis method and wavelet cross-correlation analysis method |
| title_short | Investigation of combustion-induced vibration sources in a diesel engine in the time-frequency domain using the wavelet analysis method and wavelet cross-correlation analysis method |
| title_sort | investigation of combustion induced vibration sources in a diesel engine in the time frequency domain using the wavelet analysis method and wavelet cross correlation analysis method |
| url | http://www.sciencedirect.com/science/article/pii/S2950345025000041 |
| work_keys_str_mv | AT natsukitakahashi investigationofcombustioninducedvibrationsourcesinadieselengineinthetimefrequencydomainusingthewaveletanalysismethodandwaveletcrosscorrelationanalysismethod AT shunnakagawa investigationofcombustioninducedvibrationsourcesinadieselengineinthetimefrequencydomainusingthewaveletanalysismethodandwaveletcrosscorrelationanalysismethod AT masatomikami investigationofcombustioninducedvibrationsourcesinadieselengineinthetimefrequencydomainusingthewaveletanalysismethodandwaveletcrosscorrelationanalysismethod |