期刊文献+

喷气式飞机尾喷管及尾焰红外辐射特性测量分析

Measurement and analysis of infrared radiation characteristics of jet airplane nozzle and flame
下载PDF
导出
摘要 用3~5μm中波、8~12μm长波红外热像仪对某喷气式飞机侧飞状态的红外辐射特性进行了测量,得到该飞机尾喷管及尾焰的红外辐射亮度分布。结果表明,该状态下尾焰中波、长波辐射呈现对称包络分布,随着距离的增加,尾焰喷气束逐渐扩散,辐射亮度逐渐减弱。相同情况下,中波波段尾焰长度为长波的3.5倍左右、面积为6.3倍左右;尾喷管为该飞机辐射亮度最高的部位,中波辐射亮度对比度达到了20.1,长波辐射亮度对比度达到了8.2。 The infrared radiation characteristics of a jet airplane in side-flying state are measured by a 3~5μm medium-wave and 8~12μm long-wave thermal imager,and the infrared radiation luminance distribution of the jet nozzle and tail flame is obtained.The results show that the mid-wave and long-wave radiation of the tail flame in this state presents a symmetrical envelope distribution,and with the increase of distance,the jet beam of the tail flame gradually diffuses,and the radiation brightness gradually decreases.Under the same circumstances,for the same case,the medium-wave band tail flame is about 3.5 times longer and 6.3 times larger than the long-wave one.The tail nozzle is the brightest part of the aircraft′s radiation,with contrast ratios of 20.1 in the medium-wave radiation and 8.2 in the long-wave radiation.
作者 王东 高俊光 陈磊 张恒伟 路亚旭 WANG Dong;GAO Jun-guang;CHEN Lei;ZHANG Heng-wei;LU Ya-xu(0x0963891 Unit of PLA,Luoyang 471003,China;63893 Unit of PLA,Luoyang 471003,China)
机构地区 [ [
出处 《激光与红外》 CAS CSCD 北大核心 2024年第7期1097-1101,共5页 Laser & Infrared
基金 XX科研项目(No.2100110077)资助。
关键词 喷气式飞机 尾喷管 尾焰 红外辐射 辐射亮度 jet airplane tail nozzle exhaust plume IR radiation radiant intensity
  • 相关文献

参考文献11

二级参考文献95

共引文献29

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部