Fang Chen, Chao Gao, Shikui Luo. Cold head supporting structure of Dewar used in large infrared focal plane[J]. Infrared and Laser Engineering, 2020, 49(8): 20200060
- Infrared and Laser Engineering
- Vol. 49, Issue 8, 20200060 (2020)
Fig. 1. Traditional metal pole support structure
Fig. 2. Fiber support structure of cold head
Fig. 3. Temperature field of different support structures
Fig. 4. Gravity deformation of cold head in different directs
Fig. 5. Curve between first frequency and stress
Fig. 6. Stress field of random vibration analysis (5 Grms)
Fig. 7. Random vibration curve of glass fiber support structure (5 Grms)
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Table 1.
Stiffness parameter of glass giber support structure
玻璃纤维束支撑结构的刚度参数
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Table 2.
Capability of fibers
纤维材料性能
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Table 3.
Thermal resistance of different support structures of cold head
冷指不同支撑结构的热阻
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Table 4.
Mechanical analysis results of Dewar
杜瓦组件力学分析结果
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