When a 2-4 mm diameter bubble rising with constant velocity hits a thin wire, bubble shape oscillations can be induced. As a consequence also the bubble rise velocity strongly oscillates. With the help of a force balance we show that these velocity oscillations are an added-mass effect.
de Vries, J., Luther, S., & Lohse, D. (2002). Induced bubble shape oscillations and their impact on the rise velocity. European physical journal B, 29(3), 503-509. https://doi.org/10.1140/epjb/e2002-00332-5