添加相变材料的混凝土路面红外伪装应用研究

兵工学报 ›› 2011, Vol. 32 ›› Issue (8): 975-980.

添加相变材料的混凝土路面红外伪装应用研究

贾其¹，吕绪良¹，荣先辉²，何超¹，汤雪峰²

(1.解放军理工大学工程兵工程学院，江苏南京 210007; 2.解放军理工大学科研部，江苏南京 210007)

收稿日期:2010-07-16 修回日期:2010-07-16 上线日期:2019-04-12
通讯作者: 贾其 E-mail:jiaqi1983@yahoo.com.cn
作者简介:贾其(1983—)，男，博士研究生

Application of Concrete with Phase-Change Materials in Pavement Infrared Camouflage

JIA Qi¹，LV Xu-liang¹，RONG Xian-hui²，HE Chao¹，TANG Xue-feng²

(1.Engineering Institute of Corps of Engineers, PLA University of Science and Technology, Nanjing 210007, Jiangsu , China;2.Department of Scientific Research,PLA University of Science and Technology, Nanjing 210007, Jiangsu , China)

Received:2010-07-16 Revised:2010-07-16 Online:2019-04-12
Contact: JIA Qi E-mail:jiaqi1983@yahoo.com.cn

摘要/Abstract

摘要： 混凝土路面具有显著的热红外暴露征候，尚没有行之有效的伪装手段。采用混入高导热材料，涂覆高反射率材料和添加相变微胶囊的方法，改进混凝土的热特性。建立了一维热传递数理模型，模拟了相变混凝土的热行为特性，优化出混凝土路面中的高导热材料和相变材料的最佳配比。实验结果证明了相变混凝土可以有效降低混凝土路面的温度，达到分割目标热图中规则外形的目的，实现了红外热图中混凝土路面与周围植被的较好融合。混凝土路面具有显著的热红外暴露征候，尚没有行之有效的伪装手段。采用混入高导热材料，涂覆高反射率材料和添加相变微胶囊的方法，改进混凝土的热特性。建立了一维热传递数理模型，模拟了相变混凝土的热行为特性，优化出混凝土路面中的高导热材料和相变材料的最佳配比。实验结果证明了相变混凝土可以有效降低混凝土路面的温度，达到分割目标热图中规则外形的目的，实现了红外热图中混凝土路面与周围植被的较好融合。

关键词: 热学, 混凝土, 红外伪装, 相变材料, 高反射材料, 一维热传导

Abstract: As a result of peculiar thermal infrared exposing signature of concrete, effective infrared camouflage methods for pavement have not been reported yet. Several methods were used to modify the thermal characteristics of concrete, which include mixing high heat-transfer material, adding microencapsulated phase change material(PCMs) and spraying high reflective coating. The obtained product is called phase-changing concrete. A one-dimensional thermo-physical model was used to investigate the thermal characteristics of the phase-changing concrete. The optimized volume fractions of high heat-transfer materials and PCMs were obtained based on the model. Experiment investigations are also carried out, which proved that the added PCMs can effectively descend the temperature of concrete pavement and the thermal image is also disrupted significantly. The time-temperate curve of phase-changing concrete is consistent with that of surrounding background vegetation.

Key words: heat, concrete, infrared camouflage, phase change material, high-reflective material, one-dimensional thermal transfer

中图分类号:

E951.4

贾其，吕绪良，荣先辉，何超，汤雪峰. 添加相变材料的混凝土路面红外伪装应用研究[J]. 兵工学报, 2011, 32(8): 975-980.

JIA Qi，LV Xu-liang，RONG Xian-hui，HE Chao，TANG Xue-feng. Application of Concrete with Phase-Change Materials in Pavement Infrared Camouflage[J]. Acta Armamentarii, 2011, 32(8): 975-980.

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