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Rotordynamics of a Centrifuge Rotor-Bearing System for 100,000 rpm Operation
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100,000 rpm 운전용 원심분리기 로터-베어링 시스템의 회전체동역학 해석

논문 기본 정보

Type
Academic journal
Author
Journal
Korean Society for Noise and Vibration Engineering(KSNVE) Journal of KSNVE Vol.8 No.3
Published
1998.6
Pages
450 - 456 (7page)

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Rotordynamics of a Centrifuge Rotor-Bearing System for 100,000 rpm Operation
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Research history (5)

2016

회전체동역학 설계기술 개론
이안성 Journal of KSNVE 2016.05 Academic journal

2009

Wet-Run Rotordynamics Design Characteristics of a Vertical Barrel-Type 10-Stages Pump Long-Shaft Rotor System
An Sung Lee ,  Byung Ok Kim ,  Ki Young Ha Proceedings of the KFMA Annual Meeting 2009.12 Proceeding

2008

Dry-Run Rotordynamics Design Analyses of Vertical Barrel-Type Pump Long-Shaft Rotor System
An Sung Lee ,  Byung Ok Kim ,  Ki Young Ha Proceedings of the KFMA Annual Meeting 2008.12 Proceeding

1998

Rotordynamics of a Centrifuge Rotor-Bearing System for 100,000 rpm Operation
이안성 ,  김영철 ,  박종권 Journal of KSNVE 1998.06 Academic journal

1996

The Ultra-Centrifuge Rotordynamics
An Sung Lee ,  Young Cheol Kim ,  Jong Kwon Pa 한국소음진동공학회 학술대회논문집 1996.11 Proceeding
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Abstract· Keywords

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A rotordynamic analysis is performed with a centrifuge rotor-bearing system for the raing speed of 100,000 rpm. The system is composed of a centrifuge rotor(or simply the rotor), flexible shaft, motor rotor and shaft, and two support rolling element bearings of the motor shaft. Design goals are to achieve wide separation margins of critical speeds and favorable unbalance responses of the rotor at the associated critical speeds. The latter requirements are especially important as the system crosses multiple numbers of critical speeds and as the system may not have enough separaton margins around the rating speed. As the system adopts an extra-flexible shaft, it is shown that the rotor has satisfactory small unbalance responses over higher criticals while having an unsatisfactory large one at the first critical. To supress this a bumper ring or guide bearing needs to be installed at a suitable location of the flexible shaft. It is also shown that even with the flexible shaft the dynamics of the motor must be incoporated into the full system model to accurately identify the fourth critical speed, which is close to the rating speed, and higher ones. The analysis is based on the finite element method.
#분리여유 #불균형응답 #안내 베어링 #원심분리기 #위험속도 #유연축 #회전체동역학 #Centrifuge #Critical Speed #Flexible Shaft #Guide Bearing #Rotordynamics #Separation Margin #Unbalance Response

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