Multiplane temperature measurement of fluid flows using a color focusing schlieren system

被引：9

作者：

Martinez-Gonzalez, A. ^{[1
,2
]}

Moreno-Hernandez, D. ^{[3
]}

Guerrero-Viramontes, J. A. ^{[2
]}

Zamarripa-Ramirez, J. C., I ^{[3
]}

Carrillo-Delgado, C. ^{[1
]}

机构：

[1] Univ Politecn Bicentenario, Dept Ingn Robot, Carr Silao Romita Km 2, Guanajuato 36283, Mexico

[2] TecNM Inst Tecnol Aguascalientes, Adolfo Lopez Mateos 1801, Aguascalientes 20256, Aguascalientes, Mexico

[3] Ctr Invest Opt AC, Loma Bosque 115, Guanajuato 37150, Mexico

来源：

OPTICS AND LASER TECHNOLOGY | 2021年 / 142卷

关键词：

Temperature measurement; Focusing schlieren; Color imaging; FIELD; TOMOGRAPHY; VELOCITY; LENS;

D O I：

10.1016/j.optlastec.2021.107256

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The main contribution of this work is the multiplane measurement of temperature fields of fluid flows. We use a focusing schlieren system to fulfill such an objective. The optical system contains a color digital camera, an RGB off-axis illumination, and an uncorrected chromatic aberration schlieren lens. Three narrow depth of focus is obtained using an uncorrected chromatic aberration schlieren lens and an RGB off-axis illumination. Each plane of measurement is recorded on its corresponding color channel of the digital camera. This technique is utilized to measure hot air temperature issuing from a 13 mm circular nozzle. The two cases are analyzed at different temperatures. The temperature values obtained with this method are in good agreement with those obtained with a thermocouple.

引用

页数：11

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