Ran Zhu, Bozhong Gu, Jieqian Xu, Zhiyong Zhang, Xiangyan Yuan. Thermal Control Technology of Primary Mirror of 2.5 m Class Solar Telescope[J]. Acta Optica Sinica, 2018, 38(11): 1112001
- Acta Optica Sinica
- Vol. 38, Issue 11, 1112001 (2018)
Fig. 1. Primary mirror profile
Fig. 2. Solid domain of initial model
Fig. 3. Fluid domain of initial model
Fig. 4. Complete initial 3D model
Fig. 5. (a) Temperature filed of primary mirror reflection plane; (b) temperature filed of airout 1 and airout 2
Fig. 6. (a) Light weighted primary mirror and (b) its profile
Fig. 7. 3D model of solid domain
Fig. 8. 3D model of fluid domain
Fig. 9. Complete 3D model
Fig. 10. (a) Average temperature of primary mirror reflection plane as a function of inlet velocity; (b) mirror seeing as a function of inlet velocity
Fig. 11. Temperature filed of primary mirror reflection plane
Fig. 12. Structure of air knife
Fig. 13. Complete 3D model with air knife
Fig. 14. Mirror seeing as a function of velocity of air knife. (a) Temperature of cooling air of 283.15 K; (b) temperature of cooling air of 284.15 K; (c) temperature of cooling air of 285.15 K; (d) temperature of cooling air is 286.15 K
Fig. 15. Temperature filed of primary mirror reflection plane at forced convection
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Table 1. Physical properties of materials
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Table 2. Variation of related parameters with inlet velocity
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Table 3. Comparison of related parameters of primary mirror reflection plane at different working conditions
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Table 4. Variation trend of related parameters at different velocities of air knife
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Table 5. Comparison of domestic and foreign research
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