INFLUENCE AND TREATMENT OF LOW THERMAL CONDUCTIVITY SUBSTANCE IN INFRARED IMAGING TESTING
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TN211

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    Abstract:

    The noise produced by a randomly distributed low thermal conductivity (LTC) layer on the outer surface of a metal tube when using infrared imaging technique to detect the corrosion defects on the inner surface of the tube was studied. The different influences of LTC layer on different heat loading methods were also studied both theoretically and experimentally. A new approach to diminish the high power noise produced by LTC layer was proposed in the end.

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YANG Li Jun GENG Wan-Zhen JIANG Lin Zhen ZOU Li Xun WEI Gong Ming HONG Jin. INFLUENCE AND TREATMENT OF LOW THERMAL CONDUCTIVITY SUBSTANCE IN INFRARED IMAGING TESTING[J]. Journal of Infrared and Millimeter Waves,1997,16(6):431~436

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