| 湍流对二维矩形柱体空气动力学性质的影响 |
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| 引用本文： | 孙亚伟.湍流对二维矩形柱体空气动力学性质的影响[J].空气动力学学报,1989,7(3):358-363. |
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| 作者姓名： | 孙亚伟 |
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| 作者单位： | 北京大学 |
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| 摘 要： | 本文研究了湍流对长宽比B/D等于2和4的两种静止二维矩形柱体的空气动力学性质(平均压力分布、脉动压力分布、气动力和压力相关)的影响,并从能谱的观点讨论了湍流尺度的影响。
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| 关 键 词： | 湍流 矩形柱体 空气动力学 |
THE EFFECTS OF TURBULENCE ON THE AERODYNAMICPROPERTIES OF TWO-DIMENSIONALRECTANGULAR CYLINDERS |
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| Sun Yawei.THE EFFECTS OF TURBULENCE ON THE AERODYNAMICPROPERTIES OF TWO-DIMENSIONALRECTANGULAR CYLINDERS[J].Acta Aerodynamica Sinica,1989,7(3):358-363. |
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| Authors: | Sun Yawei |
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| Institution: | Beijing University |
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| Abstract: | This paper provides an experimental investigation for the effects of turbulence on the aerodynamic properties, such as mean and fluctuating pressure distributions, aerodynamic forces and pressure corre-lations, of two two-dimensional rectangular cylinders in stationary states with slenderness ratios equal 2 and 4, respectively. The effects of turbu-lence integral scale are also discussed from point of view of energy distribution in frequency domain. |
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| Keywords: | turbulence pressure distribution rectangular cylinder aerodynamic force pressure correlation |
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