|
|||||
|
|
| 考虑边界层效应的汽轮机非线性间隙气流激振力分析 | |
| 引用本文： | 刚宪约,孙一,柴山,曲庆文,姚福生.考虑边界层效应的汽轮机非线性间隙气流激振力分析[J].汽轮机技术,2002,44(1):14-15,19. |
| 作者姓名： | 刚宪约 孙一 柴山 曲庆文 姚福生 |
| 作者单位： | 1. 大连理工大学,大连,辽宁,116023 2. 山东大学南校区,济南,山东,250061 3. 山东工程学院,淄博,山东,255012 |
| 基金项目： | 国家自然科学基金 ( 19990 5 10 )，国家攀登计划 (PD95 2 190 0 )资助项目 |
| 摘 要： | 从流体动力学出发，应用动量定理研究汽轮机短直叶片由于间隙引起的非线性气流激振力问题，综合考虑了叶片的各项设计参数并应用理论分析的方法导出普遍适用的计算公式，解决了Alford公式中需人为选取效率系数的困难。为进行包含Alford力的转子非线性稳定性分析打下了基础。 |
| 关 键 词： | 转子动力学 非线性激振力 气流 边界层效应 汽轮机 |
| 文章编号： | 1001-5884(2002)01-0014-02 |
An Analysis on the Non-linear Air Exciting -vibration Force Caused by Clearance with Boundary-layer Effect |
|
| GANG Xian yue , SUN Yi , CHAI Shan , QU Qing wen , YAO Fu sheng.An Analysis on the Non-linear Air Exciting -vibration Force Caused by Clearance with Boundary-layer Effect[J].Turbine Technology,2002,44(1):14-15,19. | |
| Authors: | GANG Xian yue SUN Yi CHAI Shan QU Qing wen YAO Fu sheng |
| Affiliation: | GANG Xian yue 1, SUN Yi 2, CHAI Shan 3, QU Qing wen 3, YAO Fu sheng 3 |
| Abstract: | Based on the hydrodynamics, the non-linear air exciting-vibration force of short straight blades of steam turbine caused by clearance is studied by using the momentum theorem. The computational formulas consisted of the design parameters of blades are educed. They have solved the difficult of selecting efficiency factor in Alford formulation and have laid a foundation for the non-linear analysis to the stability of steam turbine rotor. |
| Keywords: | rotordynamics non-linear exciting-vibration force air-flow boundary-layer |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |