| 弯掠动叶对跨声压气机非定常气动负荷的影响 |
| |
| 引用本文： | 毛明明,宋彦萍,王仲奇.弯掠动叶对跨声压气机非定常气动负荷的影响[J].工程热物理学报,2008,29(12). |
| |
| 作者姓名： | 毛明明 宋彦萍 王仲奇 |
| |
| 作者单位： | 哈尔滨工业大学能源科学与工程学院,黑龙江,哈尔滨,150001 |
| |
| 基金项目： | 国家自然科学基金资助项目，高等学校博士学科点专项科研基金资助项目，哈尔滨工业大学优秀青年教师培养计划 |
| |
| 摘 要： | 对一单级跨声压气机设计工况采用弯掠动叶前、后的非定常流场进行了数值模拟,深入分析了动叶弯掠对压气机叶片非定常气动负荷的影响.结果表明t动叶弯掠后,动、静叶的气动力和气动力矩时均值由于叶片负荷大小及分布的不同变化而产生不同程度的改变;由于动叶对下游静叶的尾迹和二次流干扰远强于动叶所受到的下游静叶的势流干扰,静叶的气动负荷发生较大波动;弯掠动叶减轻了端壁损失并且减弱了顶部泄漏涡强度和根部角区分离,从而减弱了对下游静叶的非定常干扰,这使得静叶各气动参数的波动幅值显著降低.
|
| 关 键 词： | 跨声压气机 弯掠动叶 气动力 气动力矩 非定常干扰 |
EFFECT OF CURVED ROTOR ON UNSTEADY AERODYNAMIC LOADING IN A TRANSONIC COMPRESSOR |
| |
| MAO Ming-Ming,SONG Yan-Ping,WANG Zhong-Qi.EFFECT OF CURVED ROTOR ON UNSTEADY AERODYNAMIC LOADING IN A TRANSONIC COMPRESSOR[J].Journal of Engineering Thermophysics,2008,29(12). |
| |
| Authors: | MAO Ming-Ming SONG Yan-Ping WANG Zhong-Qi |
| |
| Institution: | MAO Ming-Ming SONG Yah-Ping WANG Zhong-Qi (Energy Science , Engineering School,Harbin Institute of Technology,Harbin 150001,China) |
| |
| Abstract: | The unsteady 3D flow fields in a transonic compressor at design point were simulated numerically to study the effects of the curved rotors on the aerodynamic loading of the blades.The results showed that compared to the baseline,the time-averaged aerodynamic force and moment of the blades of the compressor with curved rotors changed respectively due to the variation of amplitude and distribution of aerodynamic loading.Because the disturbance of rotor wake and secondary flow on downstream stator were much st... |
| |
| Keywords: | transonic compressor curved rotor aerodynamic force aerodynamic moment unsteady disturbance |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
