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Vibration reduction characteristic of rotor system with active elastic support dry friction damper
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Xianghong GAO, Minghong JIANG, Peng ZHANG, Changsheng ZHU
Journal of Vibration Engineering | 2025, 38(8) : 1688 - 1698
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Journal of Vibration Engineering | 2025, 38(8): 1688-1698
Vibration reduction characteristic of rotor system with active elastic support dry friction damper
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Xianghong GAO, Minghong JIANG, Peng ZHANG, Changsheng ZHU
Affiliations
  • College of Electrical Engineering，Zhejiang University，Hangzhou 310027，China
Published: 2025-08-10 doi: 10.16385/j.cnki.issn.1004-4523.202307058
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The vibration reduction characteristic of rotor system with active elastic support dry friction damper is studied in this paper. The dynamic model of rotor system is established and a 2D friction model of contact surface in dry friction damper us built. The transient and steady state dynamic responses of rotor system are obtained after dynamic equations being solved by utilizing Newmark-HHT numerical integration method. The steady state vibration signals of dry friction damper rotor system under different normal load are compared，meanwhile the transient dynamic responses of rotor system before and after turning on dry friction damper are studied. Experimental test rig for rotor system and dry friction damper are set up. The vibration signals of rotor while passing the first-second critical speed regions are measured and analyzed. Then the experimental vibration signals are compared with simulation vibration responses to verify the vibration reduction effect，and the vibration attenuation characteristic of dry friction damper on rotor system under different working conditions is studied. The results show that the active elastic support dry friction damper could only attenuate rotor’s vibration within a certain normal force. Finally，the results could provide theoretical guide for vibration control strategy on rotor system.

rotor system  /  vibration reduction characteristic  /  dry friction damper  /  dynamic modelling  /  experimental verification
Xianghong GAO, Minghong JIANG, Peng ZHANG, Changsheng ZHU. Vibration reduction characteristic of rotor system with active elastic support dry friction damper[J]. Journal of Vibration Engineering, 2025 , 38 (8) : 1688 -1698 . DOI: 10.16385/j.cnki.issn.1004-4523.202307058
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Article Info
doi: 10.16385/j.cnki.issn.1004-4523.202307058
  • Receive Date：2023-07-21
  • Online Date：2026-02-09
  • Published：2025-08-10
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  • Received：2023-07-21
  • Revised：2023-11-12
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    College of Electrical Engineering，Zhejiang University，Hangzhou 310027，China
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https://castjournals.cast.org.cn/joweb/zdgcxb/EN/10.16385/j.cnki.issn.1004-4523.202307058
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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