... robot information actuation trajectory neural network machine learning ray deflection reinforcement learning curet complexity artificial intelligence fin algorithm amplitude operation international ocean control policy application patankar tracking controller kalman filter...

... ABSTRACT This paper offers robust analytical equations and design configuration for finned piles based on the results of an extensive three-dimensional finite element analysis considering geotechnical and structural calculations. The expressions presented in this paper consider the influence...

... in the outflow of the propeller. A combination of rudder bulb and rudder fins (RBFS) is one of these hydrodynamically based energy saving devices. The rudder bulb is an ESD installed on the leading edge of the rudder blade at the center position of the propeller shaft. It can cut down the space of low pressure...

... transportation velocity component vector stator configuration axis axial velocity component propeller interaction sustainability vector field fin propeller position propulsive efficiency hydrodynamic esd Proceedings of the Thirty-first (2021) International Ocean and Polar Engineering Conference...

... ABSTRACT This paper deals with further investigations of the MAN Energy Solutions’ Controllable Pre-Swirl Fins (CPSF) concept installed upstream of the propeller to adapt to both design and ballast conditions by optimizing the pitch and flap settings. According to the initial phase CFD and tank...

... calculation numerical simulation coefficient motion response reservoir characterization resistance prediction longitudinal motion equation upstream oil & gas fin experiment calculation result numerical study engineering transfer function curve convergence swath ship...

... ABSTRACT Many kinds of Energy Saving Devices (ESD) have been installed on commercial ships to reduce fuel consumption. Among them, a fin attached to the hull surface is one of the simplest ESD. A fin installed on stern hull is focused in this paper. A fin controls the inflow velocity field...

... ABSTRACT This paper addresses a data-driven locomotive strategy of an under-water vehicle-manipulator system (UVMS). Two modular designed biomimetic underwater propellers are deployed on the UVMS. Each propeller has a ribbon fin that consists of twelve rays linked by a thin latex membrane...

...---the cavitator, fins, and vehicle body---were obtained by dynamics modeling. The longitudinal stability of the nonlinear dynamics is analyzed through the phase portrait of pitch angle/pitch rate based on steady state dynamics. Numerical simulation shows that the supercavitating vehicle can maintain pitch angle...

... Model Experiment and Numerical Research on Hydrodynamic Performance of Conformal Rudder in Open Water Shuo Zhai, Zhihua Liu College of Ship and Ocean, Naval University of Engineering Wuhan, Hubei, China ABSTRACT Conformal rudder is a kind of submarine control surface composed of a fixed fin...

...Improvement of Rudder-Bulb-Fin System in Ship and Propeller Wake Field of KVLCC2 Tanker in Calm Water Tho-Quang Truong, Ping-Chen Wu, Junichiro Kishi, Yasuyuki Toda Department of Naval Architecture and Ocean Engineering, Osaka University Suita City, Osaka Prefecture, Japan ABSTRACT In this paper...

... ABSTRACT To reduce fuel consumption of a ship, a variety of ESDs (Energy Saving Devices) have been developed and installed. In this paper, the fin installed on the stern hull surface is considered. The fins are installed to control the inflow velocity field to propeller by small fins...

... speed. Wave glider is driven by the underwater propulsion device, on which the oscillation angle of fin is the key factor affecting wave energy utilization. In this paper, the optimal rotational angle of fin was analyzed by computer fluid dynamic method (CFD). The hydrodynamic model of underwater...

... the problem of three-dimensional (3-D) way-point tracking for a biomimetic underwater vehicle (BUV) propelled by un- dulatory fins: RobCutt-II. Based on the specific mechanical design and control system configuration, the RobCutt-II can perform diversified lo- comotion patterns, especially submerging...

... propulsion ship sea state passenger transportation power gain coordinate system marine transportation fin velocity component matusiak relation thrust power resistance lifting line model ship motion politis propeller feasibility study thrust simulation irregular long-crested...

... axial velocity profile starboard side fin fin rudder flow separation normal rudder upstream oil & gas self-propulsion factor simulation starboard side fin rudder portside fin ship aoa experiment portside boundary condition vortex flow field propeller The EFD and CFD...

... phenomenon may occur. flow velocity frequency correlation vibration fin static analysis gas monetization eigenvalue velocity prediction modal test maximum deformation vibration signal analysis carbonate fuel cell deformation pipe natural frequency heat exchanger operation condition...

... Abstract This paper addresses the novel design of a biomimetic underwater vehicle (BUV) propelled by undulatory fins and its heading control problems. Inspired by the cuttlefish, which can perform flexible motions by undulatory propulsion in narrow spaces, our BUV with two undulatory fins...

... Research on Proper Fins Designed for An Axial Flow Fan to Produce Homogeneous Wind for Model Test of Floating Wind Turbines Long Yu Chao Huang Yongsheng Zhao Yanping He State Key Laboratory of Ocean Engineering, School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong...

... characteristic with the length of 800mm including nose and stern and 200mm diameter. Two fins (airfoil NACA0012) and one rudder were equipped at the stern of the AUV body in order to control its direction, and single thruster was used. The mathematic model was used to determine the hydrodynamic of the vehicle...