Browsing by Author "Chen, X.M."
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Item Thermal Processes in the Oscillations of Gas Bubbles in Tubes(The Journal of the Acoustical Society of America, 1998-19-01) Chen, X.M.; Prosperetti, AndreaThe forced oscillations of a system consisting of two finite liquid columns in a duct separated by a gas bubble are studied in the linear approximation. It is found that thermal processes in the gas induce a very significant damping in the system, which can exceed viscous damping even in capillaries with a submillimeter diameter. The study is motivated by the possibility of using gas bubbles as actuators in microdevices.