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The environment in a Martian dust storm is critical to the operation of Mars airplanes and rovers due to high speed dust which may cause surface abrasion and equipment failure. In this work, a Martian dust storm simulation wind tunnel (MDSSWT) is designed and numerically investigated. This facility would be capable of performing simulation of the environment inside a Martian dust storm for ground-based...
Normal traction current and short-circuit fault current of overhead contact line in electrified railway are almost the same in amplitude and shape, which makes the great challenges to the traditional relay protection methods. For characteristics of rapid increase in current amplitude and distortion in current waveform during short-circuit fault, this paper constructs a fault diagnosis criterion based...
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