Monitoring the Degree of Wood Thermal Damage by Measuring Its Color Characteristics
https://doi.org/10.17586/0021-3454-2023-66-2-131-138
Abstract
Results of study of wood samples (variety – pine) under thermal exposure in a muffle furnace are presented. The research is carried out by measuring color characteristics using a color decomposition model into RGB components. Under thermal exposure, changes occur in wood due to chemical and physical processes. Time and tempera- ture are indicators of the degree of thermal damage. Dependences of changes in wood samples color characteristics in the RGB system on temperature and exposure time are established experimentally. A criterion for controlling the thermal damage degree is proposed, and a device is developed to implement the method. The device is based on the TCS3472 color sensor and a programmable logic controller. The data obtained can be used in investigations of fires at objects made of wooden structures, in the study of fire propagation paths, as well as in monitoring the degree of thermal damage to wood during various technological processes.
About the Authors
A. S. Gorbunov
Siberian Fire Rescue Academy of Russian SFS EMERCOM
Russian Federation
Russian Federation
Alexander S. Gorbunov — Department of Engineering and Technical Expertise and Forensic Science; Lecture
Zheleznogorsk, Krasnoyarsk Region
M. V. Elfimova
Siberian Fire Rescue Academy of Russian SFS EMERCOM
Russian Federation
Russian Federation
Marina V. Elfimova — PhD, Associate Professor; Department of Engineering and Technical Expertise and Forensic
Science
Zheleznogorsk, Krasnoyarsk Region
Yu. N. Bezrodov
Siberian Fire Rescue Academy of Russian SFS EMERCOM
Russian Federation
Russian Federation
Yurу N. Bezborodov — Dr. Sci., Professor; Scientific and Technical Center; Senior Researcher
Zheleznogorsk, Krasnoyarsk Region
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Review
For citations:
Gorbunov A.S., Elfimova M.V., Bezrodov Yu.N. Monitoring the Degree of Wood Thermal Damage by Measuring Its Color Characteristics. Journal of Instrument Engineering. 2023;66(2):131-138. (In Russ.) https://doi.org/10.17586/0021-3454-2023-66-2-131-138
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