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应用非正交曲线坐标系流函数方程求解任意迴转面叶栅的一种气动杂交问题

A NEW METHOD FOR SOLVING AERODYNAMIC HYBRID PROBLEM OF PROFILE CASCADE ON S1 STREAM SURFACE OF REVOLUTION BY EMPLOYING STREAM FUNCTION EQUATION EXPRESSED WITH NON-ORTHOGONAL COORDINATE SYSTEM

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【作者】 陈乃兴李卫红

【Author】 Chen Naixing Li Weihong (Institute of Engineering Thermophysics, Academia Sinica)

【机构】 中国科学院工程热物理研究所中国科学院工程热物理研究所

【摘要】 本文利用非正交曲线坐标系度量张量的特点和流函数的定义,在逐次迭代求解流场时,在给定某一段速度分布的条件下,来计算这段叶型的几何形状.文中例举了透平和压气机叶栅的计算结果,表明本文提出的方法可以用来进行叶型的改进性能的设计工作.

【Abstract】 A new method is developed in the present paper for solving an aerodynaanie hybrid problem of profile cascade on S1 stream-surface of revolution by employing stream function equation on non-orthogonal coordinate system. For this ’kind of problems the shape of a portion of the blade profile is unknown. The remainder is determined by a giving prescribed velocity distribution. Four examples of Wade caseades have Seen carried out to examine this method. It is shown that the calculation method presented herein cam be used as a powerful tool together with aerpdynamic oprtimization method for blade cascade design.

  • 【文献出处】 工程热物理学报 ,Journal of Engineering Thermophysics , 编辑部邮箱 ,1986年01期
  • 【被引频次】6
  • 【下载频次】64
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