NONINTRUSIVE MEASUREMENTS OF TEMPERATURE AND SIZE OF SINGLE FALLING RAINDROPS

被引：76

作者：

VANBEECK, JPAJ

RIETHMULLER, ML

机构：

[1] von Karman Institute for Fluid Dynamics, Rhode-Saint-Genése, Chaussée de Waterloo 72

来源：

APPLIED OPTICS | 1995年 / 34卷 / 10期

关键词：

DROPLET SIZE; DROPLET TEMPERATURE; LASER TECHNIQUE; RAINBOW; AIRYS THEORY FOR A RAINBOW;

D O I：

10.1364/AO.34.001633

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A nonintrusive laser technique, based on the detection of a rainbow, is presented that permits one to determine simultaneously the temperature and size of droplets. Therefore the Airy theory for a rainbow and a calibration rainbow pattern at isothermal conditions are applied. Rainbow patterns coming from droplets in the millimeter range have been recorded on a linear CCD array. It has been found that the sphericity of the droplets plays an important role for this rainbow-based technique.

引用

页码：1633 / 1639

页数：7

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