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Proceedings Paper

Equivalent lenses of supersonic seeker's outflow refractive index field obtained by simulation and experiment
Author(s): Qun Wei; Hongguang Jia; Ming Xuan
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Paper Abstract

In order to decrease the aerodynamic drag of supersonic image guide missile and design a non-spherical dome, the outflow field of the missile's dome is simulated using FLUENT. Based on the simulated results, the accurate density field of the outflow field at all kinds of flight conditions is obtained, and then the refractive index field of the outflow field is gotten according to the Gladstone-Dale law. The results show that the shock wave induces the heterogeneity of the refractive index field and the turbulent causes distortion. The outflow field is divided into several zones which are taken as equivalent lenses for aberration analysis.

Paper Details

Date Published: 28 January 2009
PDF: 4 pages
Proc. SPIE 7156, 2008 International Conference on Optical Instruments and Technology: Optical Systems and Optoelectronic Instruments, 71561Q (28 January 2009); doi: 10.1117/12.806586
Show Author Affiliations
Qun Wei, Changchun Institute of Optics, Fine Mechanics and Physics (China)
Graduate Univ. of Chinese Academy of Sciences (China)
Hongguang Jia, Changchun Institute of Optics, Fine Mechanics and Physics (China)
Ming Xuan, Changchun Institute of Optics, Fine Mechanics and Physics (China)


Published in SPIE Proceedings Vol. 7156:
2008 International Conference on Optical Instruments and Technology: Optical Systems and Optoelectronic Instruments

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