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将缘线匹配应用于最大化三维时序效益
引用本文:季路成,闫朝,陈江.将缘线匹配应用于最大化三维时序效益[J].航空动力学报,2006,21(3):467-473.
作者姓名:季路成  闫朝  陈江
作者单位:1.中国科学院 工程热物理所, 北京 100080
摘    要:针对“二维时序效益大于三维时序”疑惑,提出将缘线匹配技术应用于最大化三维时序效益的一般方法。在此基础上,根据先前时序研究积累的经验认识,进一步给出并着重讨论了最大化三维时序效益的简化方法。以Aachen1.5级亚声轴流涡轮为例展示了该方法的实际过程和效果。结果表明,缘线匹配指导下,可以用较小的计算资源使最大化三维时序效益规程化,并且改进效果可观。 

关 键 词:航空、航天推进系统    缘线匹配    时序    叶轮机械    非定常流动    气动设计
文章编号:1000-8055(2006)03-0467-07
收稿时间:2005/6/21 0:00:00
修稿时间:2005年6月21日

Maximizing Three-Dimensional Clocking Benefit by Applying Edge-Matching
JI Lu-cheng,YAN Zhao and CHEN Jiang.Maximizing Three-Dimensional Clocking Benefit by Applying Edge-Matching[J].Journal of Aerospace Power,2006,21(3):467-473.
Authors:JI Lu-cheng  YAN Zhao and CHEN Jiang
Institution:1.Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100080, China2.Institute No.31, China Aerospace Science and Industry Corporation, Beijing 100074, China3.School of Jet Propulsion, Beijing University of Aeronautics and Astronautics, Beijing 100083, China
Abstract:Considering "why the benefit of two-dimensional(2D) clocking is always larger than that of the three-dimensional(3D) clocking",a general way of maximizing 3D clocking benefit by edge matching was put forward.On the basis of experience and knowledge accumulated from investigations on clocking,a further simplified method was presented and emphasized.Aachen 1.5 stage low speed subsonic axial turbine was used as an example of maximizing 3D clocking benefits by applying edge matching.The result shows that 3D clocking benefit can be maximized by routinely using edge matching with only little computation resource requirements,and the benefit is good enough to be paid more attention.
Keywords:aerospace propulsion system  edge matching  clocking effect  turbomachinery  unsteady flow  aerodynamic design
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