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http://dx.doi.org/10.6108/KSPE.2019.23.6.011

Analysis on Change in Electrical Transmission Characteristic about FSS Radome on Flight Scenario  

Kim, Sunhwi (Department of Mechanical Engineering, Yonsei University)
Bae, Hyung Mo (Department of Mechanical Engineering, Yonsei University)
Kim, Jihyuk (Department of Mechanical Engineering, Yonsei University)
Lee, Namkyu (Department of Mechanical Engineering, Yonsei University)
Nam, Juyeong (Department of Mechanical Engineering, Yonsei University)
Park, Sehjin (Department of Mechanical Engineering, Yonsei University)
Cho, Hyung Hee (Department of Mechanical Engineering, Yonsei University)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.23, no.6, 2019 , pp. 11-20 More about this Journal
Abstract
A Radome protects the radar from the external environment, and as a part of the stealth technology, a frequency-selective surface (FSS) was applied to the radome. Our study investigates the changes in the electrical transmission characteristics of the missile's FSS radome due to aerodynamic heating in various flight scenarios. Accordingly, we designed a FSS radome with a Jerusalem-cross(JSC) geometry and referred the missile flight scenario in the precedent research. Subsequently, electrical transmission characteristics affected by aerodynamic heating were numerically analyzed over time according to the position of radome. As a result, we found that the average transmission value maximally varies -14.3 dB compared to the initial bandwidth owing to changes in electrical transmission characteristics in flight scenarios.
Keywords
Aerodynamic Heating; FSS; Radome; Electrical Transmission Characteristic; Supersonic;
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