CAJ | 학술논문

从材料选择和整流罩设计两方面,介绍了如何解决高速红外导引头整流罩问题.针对高速红外成像导引头使用环境的要求,分析了整流罩材料选择应考虑的因素.通过比较材料的透过率、硬度、抗弯强度和热膨胀等性能参数,得出尖晶石是较理想的高速导弹整流罩材料,其机械性能和光学性能良好,易于制备,并已取得成功应用;红外玻璃特别适合大尺寸和复杂形状制备.为了减小整流罩气动加热效应,分析了解决气动加热问题的途径,提出可通过镀金刚石膜、信号处理、共形设计等技术来减小影响,并简要介绍共形整流罩设计原理和制造.
종재료선택화정류조설계량방면,개소료여하해결고속홍외도인두정류조문제.침대고속홍외성상도인두사용배경적요구,분석료정류조재료선택응고필적인소.통과비교재료적투과솔、경도、항만강도화열팽창등성능삼수,득출첨정석시교이상적고속도탄정류조재료,기궤계성능화광학성능량호,역우제비,병이취득성공응용;홍외파리특별괄합대척촌화복잡형상제비.위료감소정류조기동가열효응,분석료해결기동가열문제적도경,제출가통과도금강석막、신호처리、공형설계등기술래감소영향,병간요개소공형정류조설계원리화제조.
The radome is one of the key components of infrared seekers. Especially for the missiles flighting in high speed, a lot of thermal stress is generated into the radome by rapid thermal shock, and the mechanical stress induced by the pneumatic pressure. In order to solve the problem of high-speed infrared seeker radome, material selection and radome design techniques are introduced. The factors which should be considered when the radome material is selected are analyzed according to the environmental requirements of high-speed infrared imaging seekers. It is found, by comparing the performance of the material parameters, that the spinel is the ideal radome material because of its good mechanical property, optical performance and easy preparation. The spinel was successfully applied for the high-speed IR seeker radome. A solution to reduce the aerodynamic heating effect of the radome by diamond film coating, signal processing and conformal design is proposed according to the analytical results of aerodynamic heating. The design principle and fabrication technology of conformal radome are introduced.