Dynamic response prediction of a twin-screw compressor with gas-induced cyclic loads based on multi-body dynamics

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题名:	Dynamic response prediction of a twin-screw compressor with gas-induced cyclic loads based on multi-body dynamics
作者:	吳育仁;Wu, Yu-Ren;Tran, Van-The
贡献者:	工學院機械工程學系
关键词:	Charges cycliques induites par du gaz;Compresseur bi-vis;Dynamic response;Dynamique multi-corps;Gas-induced cyclic loads;Multi-body dynamics;R�ponse dynamique;Twin-screw compressor
日期:	2016-05-01
上传时间:	2026-04-23 15:00:39 (UTC+8)
出版者:	Elsevier Ltd.;Elsevier Ltd
摘要:	摘要： •A new method for predicting dynamic response of a MBD screw compressor is proposed.•Fluctuating torques and forces induced by cyclic gas pressure are applied on rotor.•An experiment procedure carried out vibration and noise responses of a compressor.•Effects of misalignment on contact force and frequency spectrum are investigated. Twin-screw compressors are used in many different industries that demand high-performance and low-noise and high-efficiency energy systems. Predicting the dynamic responses of a twin-screw compressor with gas-induced cyclic loads is necessary to improve the transmission characteristics of compressor systems and to reduce the vibration and noise of those compressor systems. This paper proposes a new method to predict the dynamic response of a multi-body model of a screw-rotor and bearing system by comparing and evaluating the results obtained from experimental measurement and a simulation program. The fluctuating torque and forces that are induced by cyclic gas pressure are applied to the screw rotors of an oil-injected twin-screw compressor. Three different cases are presented to illustrate and verify the merits of the proposed method. The stimulated vibration frequencies of the proposed model fit well with those measured vibration frequencies of the experimental model. 出版者： Elsevier Ltd 出版日期： 2016-05-01 出處： International journal of refrigeration, 2016-05, Vol.65, p.111-128 版權： 2015 Elsevier Ltd and IIR 識別號： ISSN: 0140-7007 識別號： EISSN: 1879-2081 識別號： DOI: 10.1016/j.ijrefrig.2015.12.002
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