11 May 2017 Comparison of gimbal approaches to decrease drag force and radar cross sectional area in missile application
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Abstract
Drag force effect is an important aspect of range performance in missile applications especially for long flight time. However, old fashioned gimbal approaches force to increase missile diameter. This increase has negative aspect of rising in both drag force and radar cross sectional area. A new gimbal approach was proposed recently. It uses a beam steering optical arrangement. Therefore, it needs less volume envelope for same field of regard and same optomechanical assembly than the old fashioned gimbal approaches. In addition to longer range performance achieved with same fuel in the new gimbal approach, this method provides smaller cross sectional area which can be more invisible in enemies’ radar. In this paper, the two gimbal approaches - the old fashioned one and the new one- are compared in order to decrease drag force and radar cross sectional area in missile application. In this study; missile parameters are assumed to generate gimbal and optical design parameters. Optical design is performed according to these missile criteria. Two gimbal configurations are designed with respect to modeled missile parameters. Also analyzes are performed to show decreased drag force and radar cross sectional area in the new approach for comparison.
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Doğan Uğur Sakarya, "Comparison of gimbal approaches to decrease drag force and radar cross sectional area in missile application", Proc. SPIE 10181, Advanced Optics for Defense Applications: UV through LWIR II, 1018104 (11 May 2017); doi: 10.1117/12.2264773; https://doi.org/10.1117/12.2264773
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