(pump propulsion) technology can provide powerful thrust for the submarine, so that the requirement on improving a comprehensive function is met; the cruising capability and silencing capability of the marine are greatly improved, and the disguising capability of the submarine is improved; as the ...
SUBMARINE PROPELLERSELF-PROPULSIONUNDERWATER BODYFLOWPERFORMANCECAVITATIONPREDICTIONThe propulsion and vortical flow of a pre-swirl pump-jet propulsor (PJP) ... H Li,Q Huang,G Pan - 《Journal of Fluids Engineering》 被引量: 0发表: 2021年 基于统计学习的船舶泵喷推进系统实船快速性预报新方法 ship...
Numerical analysis of hydrodynamic force of front- and rear-stator pump-jet propulsion systems behind a submarine under oblique sailing The underwater vehicles' pump-jet propulsion capacity may affect during oblique sailing. In this study, the hydrodynamic performance of pump-jet propulsors... H ...
Effect of skew on the tonal noise characteristics of a full-scale submarine propeller 2023, Ocean Engineering Show abstract Numerical investigation on vortex control effect of pump-jet propulsion via porous blade tips 2023, Ocean Engineering Show abstract Numerical analysis of hydrodynamic force of front...
Certain aquatic insects rapidly traverse water by secreting surfactants that exploit the Marangoni effect, inspiring the development of many self-propulsion systems. In this research, to demonstrate a new way of delivering liquid fuel to a water surface
The invention discloses a pump water spray propulsion double-hydrofoil shallow diving carrier, which is technically characterized by absorbing the superiorities of a submarine, a carrier, a modern small water plane catamaran with superhigh speed and a hovercraft, and by using 'a multilevel double-...
The influence of surface waves on the hydrodynamic performance of a submarine could be significant when a submarine is in drift process near the water surface. In this study, the hydrodynamic and self-propulsion performance of the submarine installed a pump-jet propulsor (PJP) considered wave ...
The pumpjet has the advantage of improving noise and cavitation performance by increasing the pressure inside the duct, and it has good efficiency at a low advance ratio. This study analyzed the propulsive performance of a pumpjet propulsor affixed to a SUBOFF submarine as a function ...
In this work, pump-jet propulsion with a DARPA Suboff submarine was taken as the investigated object. The trailing edge of its duct was transformed with some serrations, and its noise reduction effect was studied. Large Eddy Simulation (LES) method was utilized to predict the hydrodynamic ...
due to the addition of a pump for strong jet propulsion, the navigational speed of the craft ship can be low when the craft ship is in an underloading state; the transformable pump jetting craft ship can be transformed into a hovercraft and a submarine, and is equipped with a pneumatic en...