Shicheng Cui, Zhiqing Song, Jukui Yang. Application of C/SiC to secondary mirror bearing cylinder in large aperture space telescope[J]. Infrared and Laser Engineering, 2022, 51(5): 20210710
- Infrared and Laser Engineering
- Vol. 51, Issue 5, 20210710 (2022)
Fig. 1. Finite element model of secondary mirror bearing cylinder
Fig. 2. First order vibration model of the structure with two schemes
Fig. 3. Temperature cloud picture
Fig. 3. [in Chinese]
Fig. 4. Secondary mirror bearing cylinder
Fig. 5. Secondary mirror bearing cylinder after nesting
Fig. 6. Frequency sweep curve before and after vibration. (a) X direction vibration; (b) Y direction vibration; (c) Z direction vibration
Fig. 7. Vital parameters of the structure
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Table 1. Properties of alternative materials
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Table 2. Natural frequencies of the structure with two schemes
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Table 3. Influence of uniform temperature rise on the surface shape
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Table 4. Physical properties of the sample
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Table 5. Structure measurement before and after vibraton
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