Infrared Thermographic Diagnostics of Wood Fire Resistance under Combined Thermal Exposure of a Surface Fire Front and Burning and Smoldering Particles
IF 0.9 4区 材料科学Q4 MATERIALS SCIENCE, CHARACTERIZATION & TESTING
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引用次数: 0
Abstract
The interaction of burning and smoldering particles with forest combustible materials, followed by their impact on certain types of combustible building materials and wood-based structures, has been experimentally investigated. Thermal flux values generated by smoldering particles were obtained, and the temperature field of the most thermally stressed areas of the tested structures was analyzed using noncontact IR diagnostic methods within narrow spectral ranges of infrared wavelengths. In the infrared range, the surface emission of the samples was recorded using a JADE J530SB thermal imager equipped with an optical filter for the 2.5–2.7 μm range; this enabled temperature measurements in the range of 310–1500 K. Calibration data provided by the manufacturer of the narrowband optical filter were used to interpret the recorded emissions from the tested samples.
期刊介绍：
Russian Journal of Nondestructive Testing, a translation of Defectoskopiya, is a publication of the Russian Academy of Sciences. This publication offers current Russian research on the theory and technology of nondestructive testing of materials and components. It describes laboratory and industrial investigations of devices and instrumentation and provides reviews of new equipment developed for series manufacture. Articles cover all physical methods of nondestructive testing, including magnetic and electrical; ultrasonic; X-ray and Y-ray; capillary; liquid (color luminescence), and radio (for materials of low conductivity).
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