Jet pump

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A pump-jet works by having an intake (usually at the bottom of the hull) that allows water to pass underneath the vessel into the engines. Water enters the pump through this inlet. The pump can be of a centrifugal design for high speeds, or an axial flow pump for low to medium speeds. The water pressure inside the inlet is increased by the pump and forced backwards through a nozzle. Pedal Powered Kayak, Jet Ski Engine, Virginia Class Submarine, Jet Motor, Jet Pump, The Vessel, Jet Boats, Jet Engine, Boat Engine

A pump-jet works by having an intake (usually at the bottom of the hull) that allows water to pass underneath the vessel into the engines. Water enters the pump through this inlet. The pump can be of a centrifugal design for high speeds, or an axial flow pump for low to medium speeds. The water pressure inside the inlet is increased by the pump and forced backwards through a nozzle.

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Applied Sciences | Free Full-Text | Parameter Analysis and Optimization of Annular Jet Pump Based on Kriging Model Cfd Simulation, Computational Fluid Dynamics, Jet Pump, Fluid Dynamics, Centrifugal Pump, Google Scholar, Kinetic Energy, Designer Pumps, Applied Science

Jet pump efficiency heavily relies on the geometrical parameters of the pump design and parameter global optimization in the full variable space is still a big challenge. This paper proposed a global optimization method for annular jet pump design combining computational fluid dynamics (CFD) simulation, the Kriging approximate model and experimental data. The suction angle, the flow ratio, the diffusion angle, and the area ratio are selected as the design variables for optimization. The…

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