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Applications of Vacuum Technology in the Aerospace Industry
Vacuum science and aerospace technology are closely interconnected, with one of the most critical links beingspace environment simulation. All types of spacecraft — including launch vehicles, artificial satellites, manned spacecraft, space stations, space probes, and space shuttles — operate in the natural vacuum of outer space.1. The Space Environment and Its Impact on SpacecraftDuring spaceflight, spacecraft are exposed not only to the vacuum of space but also to solar radiation, high-energy charged particles, and extreme temperature variations. These environmental factors can:Alter or degrade the performance of materials.Reduce the sensitivity and accuracy of instruments.Cause operational malfunctions.Endanger astronaut safety in manned missions.To prevent such risks, it is essential to conductground-based space environment simulation testsbefore launch. These tests allow engineers to understand how spacecraft perform in actual space conditions, detect potential issues, and implemen
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Applications of Vacuum Technology in Accelerators and Controlled Nuclear Fusion
Vacuum technology plays a vital role in both particle accelerators and controlled nuclear fusion systems, ensuring the stability, efficiency, and safety of these advanced scientific devices.1. Vacuum in Particle AcceleratorsA particle accelerator is a device designed to accelerate particles to extremely high energies. These particles — such as electrons, protons, deuterons, alpha particles, and other heavy ions — are used in fundamental research as well as in medical, industrial, agricultural, and food-processing applications.Through interactions between accelerated particles and matter, accelerators can also produce a wide range of secondary charged and neutral particles, including gamma rays, neutrons, mesons, hyperons, and antiparticles.To ensure the particles travel in a straight path without scattering due to collisions with residual gas molecules, the accelerator chamber must maintain an extremely high vacuum. If the vacuum level is insufficient, the following problems may occur:
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Vacuum Technology
