The prediction of changes of characteristics of materials and units of the drive mechanism of solar arrays of a spacecraft with the term of active existence of 10 to 15 years

1Shatikhin, VE, 2Pereverzev, ES, 2Daniev, Yu.F
1Space Research Institute of the National Academy of Sciences of Ukraine and the State Space Agency of Ukraine, Kyiv, Ukraine
2Institute of Technical Mechanics of the National Academy of Sciences of Ukraine and the State Space Agency of Ukraine, Dnipropetrovsk, Ukraine
Kosm. nauka tehnol. 2004, 10 ;(4):017-026
Publication Language: Ukrainian
We consider changes of characteristics of materials and units of the drive mechanism of solar arrays of spacecrafts under the influence of open space factors for the term of active existence of 10 to 15 years. The main open space factors effecting on the characteristics of materials and units of the drive mechanism are listed. The analysis of possible flaws and failures of the drive mechanism is made. We derived the probability of the penetration of meteoric bodies for a drive unit of a solar array during a 10-year and a 15-year flights. We developed some recommendations concerning the elaboration of solar array drive mechanisms for spacecrafts with the long term of existence.
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