The design research of a spinel dome

Hongwei Zhao; Tianjin Hou; Bin Zhu; Qiu Huang; Zhifeng Gao

doi:10.1117/12.896658

8 September 2011 The design research of a spinel dome

Hongwei Zhao, Tianjin Hou, Bin Zhu, Qiu Huang, Zhifeng Gao

Proceedings Volume 8193, International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Infrared Imaging and Applications; 81930A (2011) https://doi.org/10.1117/12.896658
Event: International Symposium on Photoelectronic Detection and Imaging 2011, 2011, Beijing, China

Abstract

Based on the aerodynamic heating simulated results of a spinel middle-infrared (Mid IR) image guide missile dome flying at supersonic speed, a series of experiments are made and some methods of eliminating aero-heating effect are carried out successfully. First, a simulation experiment on the ground discarding an outside protective shell of a spinel dome is accomplished in order to inspect the withstanding impact ability of the dome. Second, an arc wind tunnel experiment is fulfilled to obtain thermal mechanics characteristic of the spinel dome, and a method to buildup obviously mechanics intensity is approved which is coating diamond protective layer on the external wall of the spinel dome. Third, two heated dome imaging experiments on the ground are made to study the aero-optical phenomenon. Finally, a rocket sled experiment of a guide missile head is made successfully. Experimental results show that when the guide missile head flies in a supersonic, by adjusting the frame integration time of detector etc. the aero-optic effect would decrease greatly.

Citation Download Citation

Hongwei Zhao, Tianjin Hou, Bin Zhu, Qiu Huang, and Zhifeng Gao "The design research of a spinel dome", Proc. SPIE 8193, International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Infrared Imaging and Applications, 81930A (8 September 2011); https://doi.org/10.1117/12.896658

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