| 路展民,袁茂竹.用一维激光多普勒测速计测量二维湍流速度脉动均方值及雷诺切应力[J].实验力学,1987,2(1): |
| 用一维激光多普勒测速计测量二维湍流速度脉动均方值及雷诺切应力 |
| Simple Way to Determine Mean Square Value of 2-D Turbulent Velocity Fluctuation and Reynolds Shear Stress |
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| DOI： |
| 中文关键词: 湍流皮测量,激光多普勒技术,雷诺切应力 |
| 英文关键词:turbulent measurement, laser Doppler technique, Reynolds shear stress., |
| 基金项目: |
| 路展民 袁茂竹 |
| 中国科学院力学研究所，中国科学院力学研究所 |
| 摘要点击次数: 646 |
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| 中文摘要: |
| 本文给出在不同的正交座标系内,二维湍流速度的一阶和二阶统计量的变换公式。用这些公式和一台一维激光多普勒测速计,测量了方形管道中水流的二维湍流速度脉动的均方值和雷诺切应力。 |
| 英文摘要: |
| Formulas which transfer the first and second order statistics of 2-D turbulent velocities from one orthogonal coordinate system to another have been given in this paper. Using these formulas and a 1-D LDA, mean square value of 2-D turbulent velocity fluct |
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