These files contain the void fractions in a cavitating venturi, as obtained using x-ray computed tomography. Full details of the study can be found in Jahangir, S., Wagner, E. C., Mudde, R. F., & Poelma, C. (2019). Void fraction measurements in partial cavitation regimes by X-ray computed tomography. International Journal of Multiphase Flow, 120, 103085. https://doi.org/10.1016/j.ijmultiphaseflow.2019.103085