Abstract
Abstract In this study, a sediment isobaric transfer device based on the principle of volume displacement was built, and the work process of the device was explained. A physical model was built in hydraulic analysis software AMESim to simulate the actual working conditions. The influences of pre-charge pressure and volume of accumulator, diameter, and length of the hydraulic pipeline and opening pressure of safety valve on the pressure fluctuation and pressure steady-time during transfer process were studied. The transfer system was optimally designed based on the results of parametric analysis. The sea trial verified that the system could transfer sediment with a pressure exceeding 90 MPa into a culture vessel with low-pressure fluctuating pressure.
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