With the development of space technology, satellites, missiles and spacecraft are required to have long life, high precision and high reliability. However, the complex space environment of charged particles in space poses a serious threat to spacecraft. According to the report of anomaly of on-orbit satellites in the world, anomalous failures caused by space effects account for 40% of the total faults. This failure rate is also suitable for China’s satellites. Its particle concentration (flux) and energy distribution vary with altitude, day and night, season, latitude, and solar activity. Its energy varies from several tens of electron volts to tens of thousands of electron volts, and extremely high energy particles are relatively small. Although the spatial energy distribution appears as a combination of different energy particles.
Most of the existing international space environment simulation equipment uses single-energy particles as a simulation experiment source. We reinforce the overall energy and flux of particles in a reinforced way to achieve the same effect as simulating space particles. The size of the vacuum vessel depends on the size of the test material and the experimental requirements. This system is a horizontal structure of garden barrels.
Diameter 1M, Length 1.2M. Above the container there are four windows and electron beam shutters that can be fitted with various devices. There are three lead ports on the side of the container for power supply and measurement purposes: on the other side there is a turntable operation disk and a measurement telescopic disk, the transmission is sealed with a bellows, and the observation window is on the side door. The pumping system consists of a 1200/LS vertical turbomolecular pump and a mechanical pump set. To reduce oil vapours, quickly replace the test piece. A gate valve is added between the container and the suction system. System startup is quick and easy to operate.
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