Influential Factors of a Novel Colorimetric Thermometry Developed for the Combustible Gases

Temperature distribution characteristics are important for evaluating the combustion status, safety monitoring, and disaster diagnosis of combustible gases. Traditional colorimetric thermometry is difficult to measure the temperature of combustible gases for the lack of the grey-body in the burning...

Full description

Saved in:
Bibliographic Details
Published in:Combustion, explosion, and shock waves explosion, and shock waves, 2023-10, Vol.59 (5), p.599-607
Main Authors: Liu, R., Hu, F.-F., Li, D.-Y., Zhao, C.-X., Cheng, Y.-F.
Format: Article
Language:English
Subjects:
Classical and Continuum Physics
Classical Mechanics
Colorimetry
Combustion
Control
Delay time
Dynamical Systems
Engineering
Ignition
Particle size
Physical Chemistry
Physics
Physics and Astronomy
Temperature distribution
Temperature measurement
Thermometry
Vibration
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Temperature distribution characteristics are important for evaluating the combustion status, safety monitoring, and disaster diagnosis of combustible gases. Traditional colorimetric thermometry is difficult to measure the temperature of combustible gases for the lack of the grey-body in the burning processes. In the present study, a visible burning facility for combustible gases is designed, and the temperature characteristics are measured using an improved colorimetric pyrometer with auxiliary solid powders as a grey-body. In order to improve the temperature measurement accuracy of the system, the type, particle size, and concentration of the powders as well as the ignition delay time are studied. After many debugging experiments, it is found that the best measurement results are obtained for the 30/70 H 2 /air mixture with the tungsten powder with the mean particle size of 7.9  m, particle concentration of 21 g/m 3 , and ignition delay time of 80 ms. The results are corroborated with the previous studies.
ISSN:0010-5082
1573-8345
DOI:10.1134/S001050822305009X