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A Comparative Study of Two Computational Methods for Calculating Unsteady Transonic Flows About Oscillating Airfoils.

机译：两种计算摆动翼型非定常跨声速流动计算方法的比较研究。

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摘要

This report provides a direct comparison of the calculations for the flow field about an oscillating airfoil in a transonic freestream predicted by two computational methods; namely, harmonic analysis and time integration. Details of the two methods are summarized and results for NACA64A010 airfoil oscillating in pitch are considered. Comparisons of the unsteady pressure distribution and resultant lift are presented for several values of free-stream Mach number, angle of attack, and reduced frequency of oscillation. (Author)

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作者
Rizzetta, D. P.;
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年度 1977
页码 1-43
总页数 43
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Airfoils; Flutter; Oscillation; Nonuniform flow; Transonic flow; Pitch(Motion); Free stream; Harmonic analysis; Pressure distribution; Lift; Mach number; Angle of attack;

机译：翼型;颤振;振荡;非均匀流动;跨音速流动;俯仰（运动）;自由流;谐波分析;压力分布;升力;马赫数;攻角;

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专利

1. NUMERICAL METHOD FOR SOLVING THE EULER EQUATION FOR UNSTEADY TRANSONIC FLOWS OVER OSCILLATING AIRFOILS [J] . 中国航空学报：英文版 . 1991,第001期

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2. Comparative analysis of computational methods for periodic transonic flows at low and high frequencies [J] . Mohaghegh M. R., Malek-Jafarian M. Computational mathematics and mathematical physics . 2015,第12期

机译：低频和高频周期性跨音速流计算方法的比较分析
3. Comparative Study of Unsteady Flows in a Transonic Centrifugal Compressor with Vaneless and Vaned Diffusers [J] . Michael M. Cui International Journal of Rotating Machinery . 2005,第1期

机译：无叶片和叶片扩散器的跨音速离心压缩机非定常流动的比较研究
4. COMPARATIVE STUDY OF UNSTEADY FLOWS IN A TRANSONIC CENTRIFUGAL COMPRESSOR WITH VANELESS AND VANED DIFFUSERS [C] . Michael M. Cui ASME TURBO EXPO . 2001

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5. Application of Linear and Non-Linear Harmonic Methods for Unsteady Transonic Flow [D] . Gundevia, Rayomand 2015

机译：线性和非线性谐波方法在非稳态跨音速流中的应用
6. Unsteady Boundary Layer Flow and Heat Transfer of a Casson Fluid past an Oscillating Vertical Plate with Newtonian Heating [O] . Abid Hussanan, Mohd Zuki Salleh, Razman Mat Tahar, 2010

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7. An exploratory study of a finite difference method for calculating unsteady transonic potential flow [O] . Bennett R. M., Bland S. R. 1979

机译：计算非定常跨音速势流的有限差分法的探索性研究

A Comparative Study of Two Computational Methods for Calculating Unsteady Transonic Flows About Oscillating Airfoils.

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