| 激光散射法测量TSP和PM10的最佳采光角及立体角的研究 |
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| 引用本文： | 许德毓,蔡小舒. 激光散射法测量TSP和PM10的最佳采光角及立体角的研究[J]. 上海理工大学学报, 2001, 23(1): 57-60 |
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| 作者姓名： | 许德毓 蔡小舒 |
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| 作者单位： | 上海理工大学动力工程学院,;上海理工大学动力工程学院, |
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| 摘 要： | 通过对光散射理论的数值模拟,分析了影响颗粒散射光通量F和粒径D之间单值关系的采光方向角、采光立体角和被测颗粒折射率等因素. 与光散射颗粒计数器在异轴90°采光不同,用光散射法测量TSP和PM10在45°方向采光,并采用较大立体角(??? > 50°),能得到较好的F-D关系,同时颗粒折射率的影响也较小.
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| 关 键 词： | TSP PM10 光散射法 测量 |
| 文章编号： | 1007-6735(2001)01-0057-04 |
| 修稿时间： | 2000-05-09 |
A theoretical study on light scattering methodfor measuring TSP and PM10 |
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| XU De-yu,CAI Xiao-shu. A theoretical study on light scattering methodfor measuring TSP and PM10[J]. Journal of University of Shanghai For Science and Technology, 2001, 23(1): 57-60 |
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| Authors: | XU De-yu CAI Xiao-shu |
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| Abstract: | To measure TSP and PM10 with light scattering method is justbeing developed. The direction angle q of detecting, the detecting solid angle Dq and refractive index m are main factors affecting the relationship between scattered light flux F and particle diameter D. The results of numerical analysis of these factors are presented in the paper. The results show that to measure TSP and PM10 in forward 45°direction with large solid angle (>50°) may get good F-D relation and less influence of particle refraction index. |
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| Keywords: | TSP PM10 light scattering method measurement |
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