Thermoelastic evaluation of the payload module of the ARIEL mission
| العنوان: | Thermoelastic evaluation of the payload module of the ARIEL mission |
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| المؤلفون: | Gustavo Alonso, Javier Pérez-Álvarez, Andrés García-Pérez, Alejandro M. Gomez-San-Juan |
| المصدر: | Experimental Astronomy. 53:831-846 |
| بيانات النشر: | Springer Science and Business Media LLC, 2021. |
| سنة النشر: | 2021 |
| مصطلحات موضوعية: | Spacecraft, 010308 nuclear & particles physics, Computer science, business.industry, Payload, Astrophysics::Instrumentation and Methods for Astrophysics, Process (computing), Astronomy and Astrophysics, 01 natural sciences, Field (computer science), law.invention, Compensation (engineering), Telescope, Thermoelastic damping, Spitzer Space Telescope, Space and Planetary Science, law, 0103 physical sciences, Astrophysics::Earth and Planetary Astrophysics, Aerospace engineering, business, 010303 astronomy & astrophysics |
| الوصف: | The ARIEL mission is a space project consisting of a spacecraft with the goal of detecting exoplanets and observing the characteristics of their atmospheres. One of the main sub-systems of the payload is the telescope that must operate under cryogenic conditions to guarantee its adequate performance and the mission success. One of the critical aspects in the development of a space telescope is the stability and the related analyses required to evaluate the degree of deformation of the system under all environmental conditions, with special emphasis on the different and extreme temperature ranges reached during the mission. This assessment involves the close collaboration between three different disciplines: thermal, structural and optical design. This paper describes the work done in the ARIEL project in the field of the structural stability analysis, showing the process to achieve reliable and accurate results. The main novelty of this work is the validation of the structural model to achieve the required level of precision in the displacements fields calculated numerically to provide reliable and accurate deformations that will allow the assessment of the thermoelastic effects on the optical performance of the main telescope. The results of the structural simulations show how the telescope assembly is deformed under the different analysed conditions, which will allow the design of compensation mechanisms to mitigate these effects. |
| تدمد: | 1572-9508 0922-6435 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::ae4634d969233a1852e5a8a5203fe778 https://doi.org/10.1007/s10686-021-09704-0 |
| حقوق: | CLOSED |
| رقم الأكسشن: | edsair.doi...........ae4634d969233a1852e5a8a5203fe778 |
| قاعدة البيانات: | OpenAIRE |
Find this article in full text from Springer Verlag. | تدمد: | 15729508 09226435 |
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