1) basic frequency of torsion
扭转基频
2) torsiona l frequency
扭转频率
3) torsion frequency ratio
扭转频率比
4) foundation torsion
基础扭转
5) Torsion mode frequency
扭转模态频率
6) torsional inherent frequency
扭转固有频率
1.
The critical transverse speed,power response and torsional inherent frequency of shafts for the Three Gorge water-turbine generator set were calculated with transfer matrix under the condition of taking account of many factors effecting on shafts,stability such as unbalanced quality,electromagnetism and water power.
用传递矩阵方法计算了三峡水轮发电机组轴系横向临界转速、动力响应和扭转固有频率,考虑了质量不平衡、电磁不平衡、水力不平衡等影响轴系稳定性的多种因素。
补充资料：扭转
扭转
twist
n 1 UzhU0n扭转(t wist)轧制过程中轧件绕自身纵轴转动了一定角度而形成的缺陷。主要发生在型材和棒材上。标准规定产品不能有扭转，出现扭转必须进行矫直。产生扭转的原因有:孔型错牙，轧件进孔型不对中;轧件温度不均;机架间张力过大，拉钢严重;出孔型时因卫板不正，轧件断面上受压不均或受到倾倒力矩等。 (崔峰)
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参考词条