Published December 28, 2023 | Version v1
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OPTIMIZING RADIATION CONTAINMENT SYSTEMS - ENSURING SAFETY IN SPACE MISSIONS WITH NUCLEAR REACTORS

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Radiation containment systems within spacecraft equipped with nuclear reactors are indispensable for ensuring the safety of astronauts and the success of space missions. These systems play a crucial role in minimizing radiation exposure to crew members and vital spacecraft components. The assessment of these systems' efficiency and effectiveness often employs the Overall Equipment Effectiveness (OEE) metric, considering Availability, Performance, and Quality as key parameters. Availability measures system uptime, Performance evaluates its shielding capabilities, and Quality assesses its integrity. This article explores the critical importance of radiation containment systems in space missions, their evaluation through the OEE metric, and the utilization of experimental designs to optimize their performance. Additionally, it highlights the significance of charged particle detectors in monitoring and mitigating radiation risks. The ultimate goal is to ensure the safety and success of crewed space missions involving nuclear reactors, emphasizing the need for continuous advancements in radiation containment technology.

 

Strahlenschutzsysteme in Raumfahrzeugen, die mit Kernreaktoren ausgestattet sind, sind für die Gewährleistung der Sicherheit von Astronauten und den Erfolg von Weltraummissionen unverzichtbar. Diese Systeme spielen eine entscheidende Rolle bei der Minimierung der Strahlenbelastung von Besatzungsmitgliedern und lebenswichtigen Komponenten von Raumfahrzeugen. Zur Bewertung der Effizienz und Effektivität dieser Systeme wird häufig die Gesamtanlageneffektivität (Overall Equipment Effectiveness, OEE) herangezogen, wobei Verfügbarkeit, Leistung und Qualität als Schlüsselparameter berücksichtigt werden. Die Verfügbarkeit misst die Betriebszeit des Systems, die Leistung bewertet seine Abschirmfähigkeiten und die Qualität bewertet seine Integrität. Dieser Artikel untersucht die entscheidende Bedeutung von Strahlenschutzsystemen bei Weltraummissionen, ihre Bewertung anhand der OEE-Metrik und die Nutzung experimenteller Designs zur Optimierung ihrer Leistung. Darüber hinaus wird die Bedeutung von Detektoren für geladene Teilchen bei der Überwachung und Minderung von Strahlungsrisiken hervorgehoben. Das ultimative Ziel besteht darin, die Sicherheit und den Erfolg bemannter Weltraummissionen mit Kernreaktoren zu gewährleisten und dabei die Notwendigkeit kontinuierlicher Fortschritte in der Technologie zur Strahleneindämmung hervorzuheben.

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References

  • Battistoni, G., Toppi, M., & Patera, V. (2021). Measuring the impact of nuclear interaction in particle therapy and in radio protection in space: the foot experiment. Frontiers in Physics, 8. https://doi.org/10.3389/fphy.2020.568242
  • Casani, J., Gibson, M., Poston, D., Strange, N., Elliott, J., McNutt, R., … & Sotin, C. (2021). Enabling a new generation of outer solar system missions: engineering design studies for nuclear electric propulsion., 53(4). https://doi.org/10.3847/25c2cfeb.cdb2753c
  • Chen, J., Zhang, T., & Geng, H. (2016). Analysis of numerical simulation results of lips-200 lifetime experiments. Plasma Science and Technology, 18(6), 611-616. https://doi.org/10.1088/1009-0630/18/6/06
  • Courtney, D., Dandavino, S., & Shea, H. (2016). Comparing direct and indirect thrust measurements from passively fed ionic electrospray thrusters. Journal of Propulsion and Power, 32(2), 392-407. https://doi.org/10.2514/1.b35836
  • Franzese, V., Topputo, F., Ankersen, F., & Walker, R. (2021). Deep-space optical navigation for m-argo mission. The Journal of the Astronautical Sciences, 68(4), 1034-1055. https://doi.org/10.1007/s40295-021-00286-9
  • Khatry, J. and Aydogan, F. (2017). Modeling loss-of-flow accidents and their impact on radiation heat transfer. Science and Technology of Nuclear Installations, 2017, 1-15. https://doi.org/10.1155/2017/1345938
  • Lee, J., Kim, I., Park, J., Lim, Y., Moon, M., Lee, S., … & Lim, C. (2018). Development of diode based high energy x-ray spatial dose distribution measuring device. Journal of Radiation Protection and Research, 43(3), 97-106. https://doi.org/10.14407/jrpr.2018.43.3.97
  • liu, w. (2021). Factors affecting ion thruster's performance. Journal of Electronic & Information Systems, 3(2). https://doi.org/10.30564/jeisr.v3i2.3678
  • Pervaiz, F., Ali, S., Ali, M., & Lai, S. (2022). Spacecraft charging due to energetic electrons and ions at geosynchronous altitudes. Journal of Geophysical Research Space Physics, 128(1). https://doi.org/10.1029/2022ja030642
  • Pettersson, G., Jia-Richards, O., & Lozano, P. (2022). Development and laboratory testing of a cubesat-compatible staged ionic-liquid electrospray propulsion system.. https://doi.org/10.2514/6.2022-0040
  • Sessim, M. and Tonks, M. (2021). Multiscale simulations of thermal transport in w-uo2 cermet fuel for nuclear thermal propulsion. Nuclear Technology, 207(7), 1004-1014. https://doi.org/10.1080/00295450.2021.1910005
  • Thuppul, A., Wright, P., Collins, A., Ziemer, J., & Wirz, R. (2020). Lifetime considerations for electrospray thrusters. Aerospace, 7(8), 108. https://doi.org/10.3390/aerospace7080108
  • Venneri, P. and Eades, M. (2021). Space nuclear power and propulsion at usnc-tech. Nuclear Technology, 1-6. https://doi.org/10.1080/00295450.2021.1895662
  • Winroth, S., Scott, C., & Ishida, H. (2020). Structure and performance of benzoxazine composites for space radiation shielding. Molecules, 25(18), 4346. https://doi.org/10.3390/molecules25184346
  • Xiong, Y., Xie, L., Chen, L., Ni, B., Fu, S., & Pu, Z. (2018). The response of the energy content of the outer electron radiation belt to geomagnetic storms. Journal of Geophysical Research Space Physics, 123(10), 8227-8240. https://doi.org/10.1029/2018ja025475
  • Yin, Y., Yuan, Z., Pang, B., Xiao, Y., & Deng, Y. (2023). Design and assessment of a core-power controller for lithium-cooled space nuclear reactor based on the concept of fuzzy model predictive control. Frontiers in Energy Research, 10. https://doi.org/10.3389/fenrg.2022.1067892
  • Zholobenko, W., Rack, M., Reiter, D., Goto, M., Feng, Y., Küppers, B., … & Börner, P. (2018). Synthetic helium beam diagnostic and underlying atomic data. Nuclear Fusion, 58(12), 126006. https://doi.org/10.1088/1741-4326/aadda9
  • Zhu, Y., Cao, K., Chen, M., & Wu, L. (2019). Synthesis of uv-responsive self-healing microcapsules and their potential application in aerospace coatings. Acs Applied Materials & Interfaces, 11(36), 33314-33322. https://doi.org/10.1021/acsami.9b10737