Comparative analysis about infrared characteristics of water speedboat

Juan Lin; Xingrun Liu; Haotong Li; Chao Zhao; Kaifeng wu; Jing Ma; Xia Li; Xijuan Zhu

doi:10.1117/12.2664851

4 April 2023 Comparative analysis about infrared characteristics of water speedboat

Juan Lin, Xingrun Liu, Haotong Li, Chao Zhao, Kaifeng wu, Jing Ma, Xia Li, Xijuan Zhu

Proceedings Volume 12617, Ninth Symposium on Novel Photoelectronic Detection Technology and Applications; 126172B (2023) https://doi.org/10.1117/12.2664851
Event: 9th Symposium on Novel Photoelectronic Detection Technology and Applications (NDTA 2022), 2022, Hefei, China

Abstract

Modern speedboats are widely used in maritime weapons. They have the characteristics of fast speed, small size and strong concealment, and can effectively attack target area. For the detection of infrared waveband, the infrared concealment design of speedboat is of great significance. For the water speedboats, the ship itself is mainly made of aluminum alloy, and driven by diesel engine. According to the analysis of infrared special distribution, the characteristics of high temperature on the hull surface caused by the engine operation are the most prominent radiation characteristics for the infrared detection. Therefore, it is necessary to carry out the design of heat insulation materials on the hull surface to reduce the heat conduction capacity of the engine part to the hull surface. In this paper, based on the analysis of the radiation characteristics of the speedboat itself, the thermal insulation materials with low thermal conductivity are designed for the body part of the engine room, and the temperature and radiation characteristics of the surface of the boat are compared and analyzed. Through comparative analysis, it is found that after the low thermal conductivity material is used in the design, the average temperature reduction at the engine part is 10.2K, the medium wave radiance decreases 21.6%, and the long wave radiance decreases 12.5%. The research on the characteristic stealth of speedboat facing the marine environment has the necessary research value.

Citation Download Citation

Juan Lin, Xingrun Liu, Haotong Li, Chao Zhao, Kaifeng wu, Jing Ma, Xia Li, and Xijuan Zhu "Comparative analysis about infrared characteristics of water speedboat", Proc. SPIE 12617, Ninth Symposium on Novel Photoelectronic Detection Technology and Applications, 126172B (4 April 2023); https://doi.org/10.1117/12.2664851

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KEYWORDS

Infrared radiation

Infrared imaging

Solar radiation models

Infrared detectors

Convection

Medium wave

Thermography

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