摘要
针对红外迷彩伪装涂层中发射率的取值问题建立了计算模型。推导计算了目标8~14μm的平均发射率εt对目标辐射温度TR的影响,并以4 K辐射温差作为隐身标准,计算分析了目标不同真实温度T对εt取值范围的影响以及相邻斑块发射率差值△εt与固定斑块发射率ε1、目标真实温度T的关系。所得结论对红外迷彩伪装涂层的制备具有一定的指导作用。
Calculation model was put forward to solve the numeric problem that how to identify the range of the pattern painting camouflage′s emissivity.Effect of the change of 8-14 μm waveband average emissivity εt on the target′s radiation temperature TR was inferred and calculated.Based on the stealth criterion of 4 K radiation temperature difference,the range of the emissivity εt for different target′s temperature T was calculated and analyzed.The relationship of the emissivity difference Δεt of the spots adjacent to each other and the fixed spot′s emissivity ε1,the target′s temperature T was also discussed.The result shows that the conclusion plays guiding role in preparation of pattern painting camouflage.
出处
《红外与激光工程》
EI
CSCD
北大核心
2012年第2期442-445,共4页
Infrared and Laser Engineering
基金
红外与低温等离子体安徽省重点实验室主任基金(201A001002D)
关键词
红外迷彩伪装
辐射温度
发射率
辐射温差
infrared pattern painting camouflage
radiation temperature
emissivity
radiation temperature difference
