RESEARCH ON BENDING⁃TORSION COUPLING VIBRATION CHARACTERISTIC OF COMPRESSOR SHAFT SYSTEM CONSIDERING HARD STIFFNESS CHARACTERISTIC
In order to investigate the influence of the coupling variable stiffness characteristics on the vibration behavior of the shaft system， the motor rotor⁃coupling⁃crankshaft⁃bearing of the compressor was taken as the object of study， and the Lagrange method was used to construct a coupled dynamics mod...
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| Format: | Article |
| Language: | zho |
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Editorial Office of Journal of Mechanical Strength
2024-01-01
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| Series: | Jixie qiangdu |
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| Online Access: | http://www.jxqd.net.cn/thesisDetails?columnId=73354498&Fpath=home&index=0 |
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| _version_ | 1841534129984765952 |
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| author | ZHANG Hao ZHAO Xiang ZHANG DongMei ZUO Song |
| author_facet | ZHANG Hao ZHAO Xiang ZHANG DongMei ZUO Song |
| author_sort | ZHANG Hao |
| collection | DOAJ |
| description | In order to investigate the influence of the coupling variable stiffness characteristics on the vibration behavior of the shaft system， the motor rotor⁃coupling⁃crankshaft⁃bearing of the compressor was taken as the object of study， and the Lagrange method was used to construct a coupled dynamics model of the bending⁃torsion of the shaft system. The results show that the variable stiffness characteristics of the coupling will cause the phase space to appear as "sawtooth" fluctuations， but the law of variation of the shaft center trajectory was basically unaffected. With rotational speed as the control parameter， the variable stiffness characteristic induces nonlinear behaviors such as chaos and bifurcation and causes a rightward shift of the resonance peak and an increase in the amplitude of the unstable region. The degree of phase space fluctuation decreases with the reduction of the axial tile clearance， and the area of the non⁃contacting region in the <italic>x</italic> and <italic>y</italic> directions shows a decreasing trend. The research results can better predict the bending⁃torsion coupling vibration behavior of the shaft system and guide the selection of the operating speed of the shaft system. |
| format | Article |
| id | doaj-art-eb0543c75c064789b9462a714dc2f33a |
| institution | Kabale University |
| issn | 1001-9669 |
| language | zho |
| publishDate | 2024-01-01 |
| publisher | Editorial Office of Journal of Mechanical Strength |
| record_format | Article |
| series | Jixie qiangdu |
| spelling | doaj-art-eb0543c75c064789b9462a714dc2f33a2025-01-15T02:45:49ZzhoEditorial Office of Journal of Mechanical StrengthJixie qiangdu1001-96692024-01-0111273354498RESEARCH ON BENDING⁃TORSION COUPLING VIBRATION CHARACTERISTIC OF COMPRESSOR SHAFT SYSTEM CONSIDERING HARD STIFFNESS CHARACTERISTICZHANG HaoZHAO XiangZHANG DongMeiZUO SongIn order to investigate the influence of the coupling variable stiffness characteristics on the vibration behavior of the shaft system， the motor rotor⁃coupling⁃crankshaft⁃bearing of the compressor was taken as the object of study， and the Lagrange method was used to construct a coupled dynamics model of the bending⁃torsion of the shaft system. The results show that the variable stiffness characteristics of the coupling will cause the phase space to appear as "sawtooth" fluctuations， but the law of variation of the shaft center trajectory was basically unaffected. With rotational speed as the control parameter， the variable stiffness characteristic induces nonlinear behaviors such as chaos and bifurcation and causes a rightward shift of the resonance peak and an increase in the amplitude of the unstable region. The degree of phase space fluctuation decreases with the reduction of the axial tile clearance， and the area of the non⁃contacting region in the <italic>x</italic> and <italic>y</italic> directions shows a decreasing trend. The research results can better predict the bending⁃torsion coupling vibration behavior of the shaft system and guide the selection of the operating speed of the shaft system.http://www.jxqd.net.cn/thesisDetails?columnId=73354498&Fpath=home&index=0Compressor shaft systemBending⁃torsion couplingHardening stiffnessNon⁃linear dynamicsBifurcation |
| spellingShingle | ZHANG Hao ZHAO Xiang ZHANG DongMei ZUO Song RESEARCH ON BENDING⁃TORSION COUPLING VIBRATION CHARACTERISTIC OF COMPRESSOR SHAFT SYSTEM CONSIDERING HARD STIFFNESS CHARACTERISTIC Jixie qiangdu Compressor shaft system Bending⁃torsion coupling Hardening stiffness Non⁃linear dynamics Bifurcation |
| title | RESEARCH ON BENDING⁃TORSION COUPLING VIBRATION CHARACTERISTIC OF COMPRESSOR SHAFT SYSTEM CONSIDERING HARD STIFFNESS CHARACTERISTIC |
| title_full | RESEARCH ON BENDING⁃TORSION COUPLING VIBRATION CHARACTERISTIC OF COMPRESSOR SHAFT SYSTEM CONSIDERING HARD STIFFNESS CHARACTERISTIC |
| title_fullStr | RESEARCH ON BENDING⁃TORSION COUPLING VIBRATION CHARACTERISTIC OF COMPRESSOR SHAFT SYSTEM CONSIDERING HARD STIFFNESS CHARACTERISTIC |
| title_full_unstemmed | RESEARCH ON BENDING⁃TORSION COUPLING VIBRATION CHARACTERISTIC OF COMPRESSOR SHAFT SYSTEM CONSIDERING HARD STIFFNESS CHARACTERISTIC |
| title_short | RESEARCH ON BENDING⁃TORSION COUPLING VIBRATION CHARACTERISTIC OF COMPRESSOR SHAFT SYSTEM CONSIDERING HARD STIFFNESS CHARACTERISTIC |
| title_sort | research on bending⁃torsion coupling vibration characteristic of compressor shaft system considering hard stiffness characteristic |
| topic | Compressor shaft system Bending⁃torsion coupling Hardening stiffness Non⁃linear dynamics Bifurcation |
| url | http://www.jxqd.net.cn/thesisDetails?columnId=73354498&Fpath=home&index=0 |
| work_keys_str_mv | AT zhanghao researchonbendingtorsioncouplingvibrationcharacteristicofcompressorshaftsystemconsideringhardstiffnesscharacteristic AT zhaoxiang researchonbendingtorsioncouplingvibrationcharacteristicofcompressorshaftsystemconsideringhardstiffnesscharacteristic AT zhangdongmei researchonbendingtorsioncouplingvibrationcharacteristicofcompressorshaftsystemconsideringhardstiffnesscharacteristic AT zuosong researchonbendingtorsioncouplingvibrationcharacteristicofcompressorshaftsystemconsideringhardstiffnesscharacteristic |