... direction offshore wind turbine significant wave height water depth misalignment wind turbine concept torque torque value articulated tower inclination ABSTRACT The concept of a "hybrid offshore wind turbine" originated from articulated loading platforms (ALPS). In this study, we have...

... asia government drillstring design brushless dc motor rotor scc china government bldc motor artificial intelligence vector modeling & simulation control strategy power switch magnetic field different control strategy torque control drive module position signal type control...

.... In this paper, a test platform which can be used to simulate the cutterhead cutting rock was built. And the calculation model of the cutterhead construction power was established using the test platform. The influence of different factors on the cutterhead power and torque were analyzed. And a variety...

... by the pressure body between the compressed flanges, which in turn depends on two main scattering parameters - geometric flange imperfections and the preload level. With standardised torque controlled tightening methods, the achievable preload level is strongly dependent on the friction conditions of the paired...

... upstream oil & gas mineral hob hard clay geology china government particle hard soil new hob draghead geologist asia government hob draghead experiment torque draghead tooth underwater cutting hard clay traction speed transportation experimental study underwater hob...

... that the total torque generated by the redistributed lift is equal to the expected torque of the basic controller, so as to achieve the purpose of fault tolerance and enable the AUV of X rudder to continue to perform tasks or float. Finally, by analyzing the numerical simulation control of the heading Angle of X...

... sections or with considerable pipeline rotations. rc section fe model under-rotated rc section lateral pull force offshore pipeline lateral installation residual curvature upstream oil & gas torsional friction rotation mitigation measure torque midstream oil & gas pipeline...

... angle incidence angle different oblique flow angle coefficient reservoir simulation flow angle podded propulsion torque propulsion podded propeller cavitation performance Proceedings of the Thirty-second (2022) International Ocean and Polar Engineering Conference Shanghai, China, June 5 10...

... injection torque shaft system shaft speed united states government electrical industrial apparatus diesel engine propeller simulation propeller pitch ship propulsion system combinator curve voltage Proceedings of the Thirty-second (2022) International Ocean and Polar Engineering Conference...

... size efficiency map torque efficiency mean map efficiency motor efficiency efficiency mean efficiency uncertainty hyperparameter artificial intelligence operating point deviation gpr model characteristic covariance function Proceedings of the Thirty-second (2022) International Ocean...

... quickly reduce the cutting torque and power. Although increasing the cutting depth, hob rotation rate and reducing the ship forward speed can effectively improve the dredging efficiency of the draghead, it is worth noting that these factors are limited by the equipment and operation of the suction dredger...

... inclination angle lateral load wedge-shaped body different initial speed simulation upstream oil & gas water surface different inclination angle water entry positive peak value wedge initial speed equation vertical load oblique free entry peak value time history torque...

... a growing application of X-rudder underwater vehicles in scientific research and other civilian fields (Nakamura; 2019). controller roll angle artificial intelligence torque roll control map x-rudder underwater vehicle control method roll dynamic surface directional direct sailing test...

... rudder experiment rbf mean value cfd climate change sustainability ship efficiency prediction amplitude torque thrust thrust fin propeller efd kvlcc2 Proceedings of the Thirty-first (2021) International Ocean and Polar Engineering Conference www.isope.org Rhodes, Greece, June 20 25...

... to be studied in this paper. marine transportation top plate island arrangement freight & logistics services ship bulkhead torque drillstring design torsional strength longitudinal stress distribution hull girder longitudinal stress drill pipe selection fore island location scheme 1...

... upstream oil & gas esp torque esp motor physical test application development project comprehensive electrical simulation analysis source inverter voltage cable vsd vendor simulation analysis Proceedings of the Thirty-first (2021) International Ocean and Polar Engineering Conference...

... obviously and the transient response torque is much bigger than the torque of steady condition. In addition, due to superposition of diesel engine gas force of main order, the transient torque has the maximum value near the critical speed of the main harmonic. Finally, the determination of main engine...

... angle 0 when the speed of propeller is dropped, See Fig. 4. The latter leads to the strong increasing of ice loads acting on the propeller (including ice propeller moment), main electric engine. Torque overload of main electric engine (see below) may lead to the propeller stop (See Fig. 5) and blade...

... by the fast rotating propeller blade. The periodical propeller wake leads corresponding fluctuation of the thrust and torque of the vane wheel blade. Consider that the number of vane wheel blades is eight or more, the propeller works in a more intense periodical flow, leading to a high frequency fluctuation...

... at different trim condition. All the numerical simulations are carried out by CFD solver naoe-FOAM- SJTU. Hydrodynamic forces including thrust and torque of twin propellers are analyzed. It is found that the thrust and torque have much different behavior at negative and positive trim angle. The corresponding...