The main topic of the thesis concerns the characterization and modeling of the wetting dynamics of capillary-dominated flows. The objectives of this research are twofold: to improve the understanding of the wetting behavior of cryogenic propellants and to establish an extensive database encompassing various conditions and geometries for the validation of predictive models. Both objectives play a pivotal role in the management of space propellants in a gravity-free environment. We investigate experimentally the wetting dynamics of cryogenic model fluids using a quasi-capillary U-shaped tube, within which oscillations of the liquid column are induced in response to a pressure step imposed on one of the two sides.