Free Surface Flows under Compensated Gravity Conditions

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Focusing on fluid behavior in low-gravity environments, this book emphasizes the application of propellant management devices (PMDs) in spacecraft. It explores how reduced hydrostatic pressure and dominant surface tension can be harnessed for liquid transport and positioning. Key applications include ensuring liquid coverage at tank outlets and managing liquid and gas refills for life support and experiments. The text addresses three distinct flow problems—free surface oscillations, capillary rise in tubes, and flow through open capillary channels—using analytical, numerical, and experimental methods.