Laser sheet dropsizing based on two-dimensional Raman and Mie scattering
Laser sheet dropsizing based on two-dimensional Raman and Mie scattering
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DOI：
10.1364/ao.48.001853
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发表时间：
2009-04-01
期刊：
影响因子：
1.9
通讯作者：
Leipertz, Alfred
中科院分区：
文献类型：
--
作者：
Malarski, Anna;Schuerer, Benedikt;Leipertz, Alfred
对于光学科学家和工程师来说，喷雾中液滴尺寸的成像和量化是一项具有挑战性的任务。激光片滴尺寸 (LSDS) 结合了两种不同光学过程的二维信息，一种与液滴体积成正比，另一种取决于液滴表面，例如米氏散射。除了米氏散射之外，这里我们使用二维拉曼散射作为体积相关的测量技术。提出并讨论了两种不同的校准策略。与点分辨相位多普勒风速仪 (PDA) 测量结果进行比较，验证了喷雾中的二维液滴尺寸分布。 (C) 2009 美国光学学会
The imaging and quantification of droplet sizes in sprays is a challenging task for optical scientists and engineers. Laser sheet dropsizing (LSDS) combines the two-dimensional information of two different optical processes, one that is proportional to the droplet volume and one that depends on the droplet surface, e.g., Mie scattering. Besides Mie scattering, here we use two-dimensional Raman scattering as the volume-dependent measurement technique. Two different calibration strategies are presented and discussed. Two-dimensional droplet size distributions in a spray have been validated in comparison with the results of point-resolved phase Doppler anemometry (PDA) measurements. (C) 2009 Optical Society of America