... wind turbine fhawt thrust arrangement investigation velocity distribution baseline case ABSTRACT The large size of wind turbines has posed many problems, an ideal alternative that is the multi-rotor wind turbine, has received attention. The deployment of a tightly arranged two-rotor...

... ABSTRACT The document MEPC.1/Circ.896 has provided a method for calculating the thrust of wind propulsion systems, which does not take into account the changes in main engine power caused by the attitude angle of the ship, nor the changes in propulsion efficiency. An MMG-based method...

... flexural strength values. flexural strength propulsion test propeller ice interaction ice test ice resistance ice condition tow force thickness canada government ice flexural strength equation thrust coefficient test method ice sheet model test Proceedings of the Thirty-third (2023...

... reservoir simulation momentum flux nozzle flow time step reservoir surveillance thrust waterjet thrust uniform nozzle flow assumption upstream oil & gas production control calculation result experiment nozzle section actual nozzle momentum flux experimental verification...

..., and propeller is fixed in the middle of duct with a two-dimensional hydrofoil in cross-section. In general applications in the marine propulsion field, the results show that duct can improve propeller's thrust and torque and other propulsion parameters, and can provide additional thrust under heavy load and low...

... at the axis after the propeller and strengthen the rectification of rudder and decrease the circumferential velocity of propeller. It can also make the propeller wake field uniform and has the benefit of the cavitation performance of propeller. The rudder fin is the thrust fin fitted on both sides...

... done in waves. Celik (2007), numerically studied the effect of a wake equalizing duct (WED) on the propulsion performance of a chemical tanker using Reynolds Averaged Navier-Stokes (RANS) method and reported a maximum gain of about 10% propulsive efficiency as well as an additional positive thrust...

... and offloading aerodynamic load subsea system floating production system platform fowt amplitude coordinate system equation solver motion response thrust oc3-hywind spar platform attack angle offshore wind turbine wind turbine case 1 power output Proceedings of the Thirty-first (2021...

..., such as overlapping grid, sliding mesh, and six-degrees-freedom model. The reliability of the CFD method is verified by the experimental result of the thrust of ducted Propellers. The numerical result indicates that the joint influence of ducted propellers and hydrofoils is significant for the control...

... focused wave subsea system floating production system hybrid model system motion wind turbine interaction fowt system offshore wind turbine motion response thrust Proceedings of the Thirty-first (2021) International Ocean and Polar Engineering Conference www.isope.org Rhodes, Greece, June 20...

... & gas wave frequency wave model thrust pitch natural frequency wind turbine numerical model wind speed equation Abstract The springing responses of a tension-leg-platform wind turbine (TLPWT) excited by the third-harmonic force of an extreme regular wave are investigated using...

... by implementing complex exponential decomposition to the retardation functions. A numerical model is applied to investigate the performance of the method, which shows that the calculated responses match well with those of the Newmark- method. KEY WORDS: Semi-submersible platform; thrust; dynamic response...

... and geometrical model of the robot for numerical simulations are first constructed. Motion mechanism of the robot in different kinds of motion conditions are then studied. In this research, different motion styles of the robot under driven thrusts from the ducted propellers are investigated based on the proposed...

... learning renewable energy calculation error reduction ratio turbine system wind speed equation thrust Aerodynamic Load Analysis of a Floating Turbine System Based on CFD Method under Random Wind Wang Lizhi, Ju Fan School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong...

... parameters of two waterjets from three data (surge thrust, sway thrust and yaw moment), the maneuvering of waterjet-propelled crafts can be realized by the simple operation of a joystick. Moreover, this algorithm can provide a theoretical basis for joystick vector control device used in waterjet propelled...

...). output result university locomotive strategy sinusoidal wave ribbon fin measurement platform propeller data-driven locomotive strategy thrust heave force fin wang artificial intelligence torque input power ground transportation fusiform sinusoidal wave uvm rail transportation...

... shroud configuration prototype thrust twist distribution equation drag coefficient operating condition stream speed geometry coefficient ocean energy hydrokinetic turbine procedure turbine artificial intelligence lift coefficient power output upstream oil & gas renewable...

... discrepancy thrust equation Validation of a Coupled CFD Model for Evaluating Floating Tidal Systems S. A. Brown(1), E. J. Ransley(1), N. Xie(1), D. M. Greaves(1), L. Johanning(2), E. Guerrini(3) (1)COAST Engineering Research Group, University of Plymouth, Plymouth, UK (2)Offshore Renewable Energy Group...

... coordinate system pd gain adaptive controller normalization ddpg controller adaptive pd algorithm thrust policy gradient artificial intelligence history machine learning upstream oil & gas Adaptive PD For Dynamic Positioning System Based On DDPG Daesoo Lee, Seung-Jae Lee Division...

... tip operating with a duct with sharp trailing edge (propeller Ka4–70 and Duct 19Am, as shown in Fig. 1) were carried out by Bosschers and van der Veeken (2008) to provide valuable experimental data to validate several numerical models mentioned above. propeller effective wake thrust upstream...