Analysis of MWIR and LWIR Signature of Supersonic Aircraft to Air-to-air and Surface-to-air Missile by Coupled Simulation Method

The stealth performance of supersonic aircraft in recent air battlefield is one of the most significant feature for latest fighters. Especially, as the technology is advancing, the IR stealth capability becomes more important because of its passive characteristic. To design an aircraft with stealth capability, we must know how much the IR signature is generated from the aircraft. Also, predicting the IR signature of enemy's aircraft is tactically crucial. In this study, we calculated MWIR and LWIR infrared signature of 5ᵗʰ generation supersonic aircraft against air-to-air and surface-to-air threat using IR simulation code and CFD coupled procedure.