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초기 비틀림각이 고려된 블레이드-축 통합 시스템의 동적 특성
Dynamic Characteristic of Coupled Pre-twist Blade and Shaft System
- 이환희;
- 나성수;
- 송지석
초록
A nonlinear dynamic model for the shaft-disk-blade unit is developed in this study. In this regard, the rotating flexible blade, with a pre-twist angle, attached to a rigid disk driven by a shaft which is flexible in torsion is developed. The rotor-blade coupled model is derived using Lagrange equation in conjunction with the assumed mode method to discretize the blade deformation. The equations of motion are analyzed based on the small deformation theory for the blade and shaft torsional deformation to obtain the system natural frequencies for various system parameters.
키워드
Assumed Mode Method(모드 가정법); Lagrange Equation(라그랑지 방정식); Natural Frequency (고유진동수); Pre-twist Angle(초기 비틀림각); Rotor-blade System(로터-블레이드 시스템)
- 제목
- 초기 비틀림각이 고려된 블레이드-축 통합 시스템의 동적 특성
- 제목 (타언어)
- Dynamic Characteristic of Coupled Pre-twist Blade and Shaft System
- 저자
- 이환희; 나성수; 송지석
- 발행일
- 2012
- 저널명
- 한국소음진동공학회논문집
- 권
- 22
- 호
- 7
- 페이지
- 659 ~ 666