Abstract
As a new way of transportation, evacuated tube transport (ETT) based on the high-temperature superconducting (HTS) Maglev, has a great application prospect. The HTS Maglev-ETT test system is now being used to explore scientific and technical issues of the HTS Maglev vehicle running under a low air-pressure environment. However, a few studies on dynamics of the Maglev system have been conducted on this test system. To investigate the low-pressure effect on the stationarity of the HTS Maglev vehicle, we make use of a 45-m-long HTS Maglev-ETT test system, in which the damping and vibration acceleration were studied under low pressures of 0.25, 0.60, and 0.955 atm (local atmospheric pressure). It is interesting to find that the vibration amplitudes in the vertical and lateral directions are not apparently changed but the damping of the HTS Maglev vehicle decreases under the low air-pressure environment.
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