Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 2American Society of Mechanical Engineers, 2006 - Arctic regions |
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Page 502
... Propeller Disk Area of Propeller Thrust Coefficient , C1 = T / { 1⁄2p [ V2 + ( 0.7лnD ) 2 ] ( π / 4 ) D2 } Propeller Diameter AE Ao Co Torque Coefficient , Co = Q / { 1⁄2p [ Va2 + ( 0.7πnD ) 2 ] ( π / 4 ) D3 } Cr D EAR H Wave height L λ ...
... Propeller Disk Area of Propeller Thrust Coefficient , C1 = T / { 1⁄2p [ V2 + ( 0.7лnD ) 2 ] ( π / 4 ) D2 } Propeller Diameter AE Ao Co Torque Coefficient , Co = Q / { 1⁄2p [ Va2 + ( 0.7πnD ) 2 ] ( π / 4 ) D3 } Cr D EAR H Wave height L λ ...
Page 678
... Propeller efficiency Hull efficiency 0.74 0.83 0.84 0.33 0.40 0.42 0.62 0.31 0.28 0.85 0.50 0.18 Figure 8. TANGENTIAL COMPONENTS OF THE WAKE IN THE PROPELLER PLANE . nr Relative rotation efficiency 0.94 0.94 0.94 0.94 Пtotal Total ...
... Propeller efficiency Hull efficiency 0.74 0.83 0.84 0.33 0.40 0.42 0.62 0.31 0.28 0.85 0.50 0.18 Figure 8. TANGENTIAL COMPONENTS OF THE WAKE IN THE PROPELLER PLANE . nr Relative rotation efficiency 0.94 0.94 0.94 0.94 Пtotal Total ...
Page 682
... propeller working in the wake of tunnel hull and working in the open water for various pitch distributions at J = 0.33 and n = 7.5 rps . It can be seen that with inflow wake taken in to account the propeller gave a better propulsive ...
... propeller working in the wake of tunnel hull and working in the open water for various pitch distributions at J = 0.33 and n = 7.5 rps . It can be seen that with inflow wake taken in to account the propeller gave a better propulsive ...
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25th International Conference aerogel amplitude analysis angle Arctic Engineering June ASME B-spline boundary condition buoy calculated coefficient components computed Conference on Offshore Copyright 2006 cylinder damping density diameter distribution dynamic effect Engineering June 4-9 equation experimental Figure flow fluid force free surface frequency friction function hindcast horizontal hull hydrocyclone hydrodynamic ice loads ice strength interaction internal wave linear LNG carriers maximum measured Mechanics and Arctic method model tests motion neural network nonlinear numerical Ocean Engineering Offshore Mechanics OMAE2006 25th International oscillation parameters pile potential prediction pressure Proceedings of OMAE2006 propeller ratio regular wave Research shear shear stress ship ship motions significant wave height simulation solution spectra spectrum speed stress structure tank temperature towed vehicle trimaran values variable velocity velocity potential vertical vessel vibration VIVACE Converter vortex Vortex Induced Vibrations water depth wave energy wave power wind