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Study on damping of air spring with additional chamber

A mechanical model of the air spring with an additional chamber was built with considering the temperature influence. The static and dynamic external characteristics of the air spring were also studied by comparing the results of the simulation with the experiment. The research shows the larger the additional volume is, the smaller the spring stiffness, the air spring inherent damping will tend to be a stable value as the effective area of the connecting block increases to a certain extent, the system damping of the air spring will follow the outside exciting frequency when it rises.