Performance study of electric pump unit bearings of spacecraft thermal control systems
This paper presents the methodology and test results of rolling bearings of low-flow electric pump units used to ensure circulation of the thermal liquid in the active thermal control system of spacecraft. A multi-position stand has been developed for testing bearings within 40 days in a thermal liq...
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| Veröffentlicht in: | IOP conference series. Materials Science and Engineering 2020-01, Vol.747 (1), p.12043 |
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| container_title | IOP conference series. Materials Science and Engineering |
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| creator | Smirnov, N I Smirnov, N N Prozhega, M V Matveev, S A Shirobokov, O V Gorbunov, A V Zheltyshev, O V |
| description | This paper presents the methodology and test results of rolling bearings of low-flow electric pump units used to ensure circulation of the thermal liquid in the active thermal control system of spacecraft. A multi-position stand has been developed for testing bearings within 40 days in a thermal liquid at a speed of 6000 rpm with the possibility of registering the separator rate speed. As a performance criterion, the clearance in the bearing is used. The conditions of the onset of pitting are investigated. |
| doi_str_mv | 10.1088/1757-899X/747/1/012043 |
| format | Article |
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| subjects | Active control Bearings Low flow Roller bearings Separators Spacecraft Thermal control systems |
| title | Performance study of electric pump unit bearings of spacecraft thermal control systems |
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