Energy conversion and performance analysis of the submerged waterjet ...
The submerged waterjet and conventional waterjet in self- propulsion exhibit significant discrepancies in energy and propulsion performances , but systematic exploration of the underlying mechanisms remains limited. This paper proposes a comprehensive analysis method to investigate energy conversion and utilization processes of hull-waterjet system .
Refer to the advanced submerged propulsion applied on surface vessels , this paper attempts to design a new PJP and install it on the submarine. Based on the volume force of virtual disk method, the self-navigation point is found, and the self-propelled performance has been calculated by the thrust identity method.
Surface Drive Boat Motor
1. High-speed performance High-speed performance is a primary attribute often associated with surface drive boat motor systems . This association stems from the system's design characteristics, which are optimized for minimizing drag and maximizing thrust at elevated velocities. The effectiveness of this marine propulsion method in achieving high speeds is contingent on several interconnected ...
A submerged waterjet propulsion system has been designed that combines the hydrostatic pressure producing characteristic of the Multiple Segment Lobe Pump with a submerged , variable area discharge that optimizes the propulsion thrust at any vessel speed. In doing so, there is a 30% to 40% fuel saving, on any size vessel , over a speed range of five to forty miles per hour based on a theoretical ...
Energy conversion and performance analysis of the submerged waterjet ...
The submerged waterjet and conventional waterjet in self- propulsion exhibit significant discrepancies in energy and propulsion performances , but systematic exploration of the underlying mechanisms remains limited. This paper proposes a comprehensive analysis method to investigate energy conversion and utilization processes of hull-waterjet system . Supported by model tests, the energy ...
The submerged waterjet (SWJ) is a novel marine propulsor for surface ships, which shows remarkable energy performances in a mixed-use profile. Less research has been done to reveal the mechanisms of its distinguished energy and propulsion performances . Based on energy flux balance theory, this paper proposes a method on the analysis of energy conversion process of the SWJ system , where a link ...
Research on High
Driven by the global demand for carbon reduction and ecological environmental protection, submerged water jet propulsion technology has become an important direction for marine power innovation due to its advantages of low noise and high-speed efficiency. This study conducts multi-objective optimization on the preliminary design model of a new-type submerged water jet propulsor using the ...
The application of submerged water jet propellers in medium-high-speed water surface ships can improve their propulsion efficiency and underwater noise performance , effectively reduce the fuel consumption of the ships, and increase operation comfort.
Hydrodynamic design of an advanced submerged propulsion
A new kind of advanced submerged propulsion is automatically modeled and analyzed based on the hydrodynamic and cavitation performance . A mathematical algorithm is proposed to describe the fusion-duct, which is controlled by several design parameters, including section diameters, section lengths, and inlet shape and aspect ratio. The hydrodynamic performances of 13 cases with different ...
Additionally, the rapid development of AI technology offers new perspectives and opportunities for innovation in propulsion systems . The application of AI in intelligent control, real-time monitoring, fault diagnosis, and optimization design of propulsors can greatly enhance the performance and efficiency of propulsion systems .