... reservoir geomechanics geological subdiscipline configuration deflection shaft stiffness builder simulation shaftline duramax marine node stave geometry mstr bearing shaft deflection iteration elastic foundation bearing reaction Propeller and Shafting Symposium 2023 12-13 September...

... on the design of propellers cannot always be determined by propulsive coefficients measured at model tests and needs a detailed CFD analysis. marine transportation united states government propeller configuration propulsor simulation strut orientation rotation option coefficient loading...

... requirements commonly observed across most navies. The demonstrated evaluation shows that the resultant propulsion plant configurations may not fully achieve all defined requirements, which are often conflicting, but represent a good compromise to best meet the operation requirements based on defined...

... Results are presented from captive model tests on the effect of waterjet propulsion flows on the static maneuvering coefficients for sway force and yaw moment for a model of a large waterjet-propelled sealift ship configuration. Towing basin tests were conducted for the measurement of hull surge...

... The hybrid shaft-pod contra-rotating propulsor configuration has been demonstrated to offer increased efficiency and maneuvering performance over conventional propulsor configurations. The design and testing of this propulsor concept for a large 39 knot high speed sealift application...

... or ducted propellers, also subject to sheet cavitation. artificial intelligence optimization problem engineering author page number coefficient geometry cavitation index camber distribution pareto design extension cavitation configuration panel method ducted propeller propeller...

... boundary condition rotation configuration numerical model velocity distribution impeller steady force stator blade magnitude radial force impeller blade Fully transient CFD analyses of waterjet pumps Norbert W.H. Bulten, Wiirtsila Propulsion Netherlands Bart P.M. van Esch, Teclurische...

... and the forces on the whole unit in three orthogonal directions are functions of the azimuth angle for puller propulsors. azimuth angle efficiency hub taper angle pod 2 thrust coefficient azimuth condition coefficient taper angle propeller thrust different azimuth condition configuration...

... It is the ratio of the "bare hull" effective power to the final delivered power. Bare hull in this case refers to the vessel configuration without it's steering and propulsion-related appendages. The Hydrodynamic system coefficient is presented for several cases of the following vessel configurations; twin-pod...

... stave arrangement configuration bearing configuration bearing PRACTICAL DEVELOPMENTS IN PROPELLER SHAFT DESIGN IN RN WARSIDPS by Rod Smith BMT Defence Services Ltd MBE IEng AMRINA BACKGROUND BMT Defence Services Ltd (DSL) is · a company of some 240 people supporting the UK MoD holding a number...

... velocities. electrical industrial apparatus polynomial propeller blade theoretical modeling lifting line model vortice boundary condition coefficient loading configuration nozzle surface propeller nozzle jacobi polynomial propulsor circulation distribution vorticity distribution...

... coefficient pitch propeller pitch angle boundary layer configuration cyclic pitch propeller influence coefficient propeller maneuvering force separation THE SOCIETY OF NAVAL ARCHITECTS AND MARINE ENGINEERS . 601 PAVONIA AVENUE, JERSEY CITY, NJ 07306 Paper to be presented at the Propellers/Shafting...

... propeller. Recommendations are given for continued research in this area. equation propeller mechanism bearing diameter configuration ref trunnion friction table 3 proceedings hub mechanism symposium distance sname stiffness procedure shear stress plane THE SOCIETY OF NAVAL...

... diameter fixed-pitch propeller propulsor and propulsion date requirement application technology area configuration reaction fin open-water propeller efficiency clearance THE SOCIETY OF NAVAL ARCHITECTS AND MARINE ENGINEERS One World Trade Center, Suite 1369, New York, N.Y.10048 Papers...

... is attractive for an energy-conserving propulsor design and should be further evaluated for monohull configurations. propeller submergence efficiency dd 963 propeller 924 configuration coefficient diameter thrust reduction performance characteristic rpm ventilation propeller diameter...

... and turbulent flow quantities were examined for the disturbances induced by the appendages (a sail and/or a deck) which were added to the basic axisymmetric body to give it either a submarine-or airship-like arrangement and their interaction with the propeller. Five different model configurations were placed...

... is also given. propeller cavitation calculation ship revolution modification variation investigation coefficient geometry cetena report propeller design optimization characteristic vibration configuration determination consideration THE SOCIETY OF NAVAL ARCHITECTS AND MARINE...

... Results from a series of approximately one-half scale tests of selected commercially offered seal/liner configurations for the forward end of the stern-tube are discussed. The tests were performed to develop baseline data for comparison with subsequent research to achieve improved designs...

... operating conditions. Sketches, drawings, and other data depicting the test rig are included. marine transportation propeller arrangement efficiency requirement aft propeller mover propulsive efficiency reduction torque reaction naval architect shaft generator configuration world trade...