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长春光学精密机械与物... [1]
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会议论文 [1]
发表日期
2011 [1]
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Thermal-structure analysis of supersonic dome based on three materials (EI CONFERENCE)
会议论文
2011 International Conference on Electric Information and Control Engineering, ICEICE 2011, April 15, 2011 - April 17, 2011, Wuhan, China
Jiang Z.
;
Ai X.
;
Wei Q.
;
Liu B.
;
Jia H.
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提交时间:2013/03/25
To a supersonic missile
a seeker could enhance the aerodynamic ability due to decrease the resistance in flying. At the same time
the primary function of a seeker has been considered as the most important equipment for a missile
due to the importance for cueing of targets and tracking for the final approach. However
the dome of a seeker
which is made up of glass
has poor mechanical performance. Especially
in the higher altitude
for a dome
in which the aerothermal and pressure loads could destroy the structure easily
it is necessary to do the thermal-structure coupled analysis due to varied materials. In the paper
to take the spherical dome of a seeker as a example
the analysis has been completed according to the varied materials consist of MgF2
Al2O3 and ZnS. The temperature loads and the pressure loads derived from the results of fluent analysis has been forced on the surface of dome
which simulates the actual Mach 2.5 in flying. According to the results of coupled analysis
the SEQV stress of the dome radium 80mm based on three materials had reached to 31MPa
which shows that the strength is sufficient for Mach 2.5
and offered the warranty to design the attaching to missile for the dome. At the same time
the results required the flexible mounting for the dome due to the displacements results
which the crystal material couldn't accept. 2011 IEEE.
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