根据室内模拟大气边界层的需要,开发了适合于水中温度场和速度场测量的快速响应设备.采用铂电阻传感器多探头测量温度场,速度场采用片光源流动显示及PTV数据处理技术.温度和速度测量设备响应快,分辨率高,为室内模拟研究提供了可靠的实验手段.文中分析了温度和速度测量的系统误差和偶然误差,并提出了速度测量改进方法.
参考文献
| [1] | Willis G E, Deardorff J W. A laboratory model of the unstable planetary boundary layer [J]. Atmos. Sci., 1974,31,1297-1307. |
| [2] | Yuan Renmin. A Laboratory simulation of the atmospheric convective boundary layer [D]. Doctoral Thesis of the Chinese Academy of Sciences. 2000. |
| [3] | Yuan Renmin et al. A laboratory simulation of atmospheric boundary layer: analyses of Temperature structure in entrainment zone [J]. Chinese Journal of Atmospheric Sciences (大气科学), (in publish) |
| [4] | Dai Changhui. Measurement of Flow in Fluids [M]. Aviation Industry Press, 246 |
| [5] | Sun Xiaohong et al. Application of PIV technique in a tank [J]. Chinese Journal of Quantum Electronics (量子电子学报), 1998, 15(5): 495-499 (in Chinese) |
| [6] | Huang H T, Fiedler H E, Wang J J. Limitation and improvement of PIV [J]. Experiments in Fluids, 1993, 15,168-174 |
| [7] | Mass H G, Gruen A, Papantonion A. Particle tracking velocimetry in three-dimensional flows. Part1, Photogrammetric determination of particle coordinates [J]. Experiments in Fluids, 1993, 15, 133-146 |
| [8] | Malic N A, Dracos T, Papantonion A. Particle tracking velocimetry in three-dimensional flows. PartⅡ, Particle tracking [J]. Experiments in Fluids, 1993, 15, 133-146 |
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