噪声与振动控制
譟聲與振動控製
조성여진동공제
NOISE AND VIBRATION CONTROL
2015年
3期
98-101
,共4页
邓旺群%聂卫健%何萍%郭天才%杨海
鄧旺群%聶衛健%何萍%郭天纔%楊海
산왕군%섭위건%하평%곽천재%양해
振动与波%涡扇发动机%低压转子%有限元法%支承刚度%临界转速%变化规律
振動與波%渦扇髮動機%低壓轉子%有限元法%支承剛度%臨界轉速%變化規律
진동여파%와선발동궤%저압전자%유한원법%지승강도%림계전속%변화규률
vibration and wave%turbofan engine%low-pressure rotor%finite element method%supporting stiffness%critical speed%variation law
建立某小型涡扇发动机低压转子的有限元分析模型，用SAMCEF/ROTOR分析软件对不同支承刚度条件下低压转子的临界转速系统地进行计算分析，揭示压转子的前三阶临界转速随各支承刚度的变化规律，为低压转子的临界转速设计和基于支承刚度的临界转速调整提供了参考依据。
建立某小型渦扇髮動機低壓轉子的有限元分析模型，用SAMCEF/ROTOR分析軟件對不同支承剛度條件下低壓轉子的臨界轉速繫統地進行計算分析，揭示壓轉子的前三階臨界轉速隨各支承剛度的變化規律，為低壓轉子的臨界轉速設計和基于支承剛度的臨界轉速調整提供瞭參攷依據。
건립모소형와선발동궤저압전자적유한원분석모형，용SAMCEF/ROTOR분석연건대불동지승강도조건하저압전자적림계전속계통지진행계산분석，게시압전자적전삼계림계전속수각지승강도적변화규률，위저압전자적림계전속설계화기우지승강도적림계전속조정제공료삼고의거。
Finite element model of a low-pressure rotor of a turbofan engine was established. The critical speeds of the rotor with different supporting stiffness were systematically calculated and analyzed by SAMCEF/ROTOR software. The variation laws of the first three-order critical speeds with different supporting stiffness were revealed. The research results provide references and bases for critical speed design and adjustment based on supporting stiffness change of the low-pressure rotor.
