... chemical spill gas monetization freight & logistics services liquefied natural gas liquified natural gas lng us government marine transportation classification society author name coefficient mineral oil lubrication application failure case eal operation high temperature...

... edge of the duct. The pressure distribution on the duct is shown in Fig. 7, The pressure coefficient is defined as , where is the ship velocity, and is the reference pressure at far upstream. 1.6 3.5 1.4 3 2.5 2 1.2 1.5 1 0.5 r/R r/R 10 -0.5 -1 0.8 -1.5 -2 Figure 2. Geometry of the propeller (20x18...

... the understanding of the unsteady interactions between the 3-D gap flow, sheet-cloud cavitation, gap cavitation, tip vortices, and their dependence on the cavitation index. It is found that the numerically-predicted wetted pressure distributions, cavitation patterns, and load coefficients agree well...

... wrote a paper aiming to provide a BAR Blade area ratio simple set of thrust and power coefficients that would D Propeller diameter allow designers to use the performance of a standard dh Propeller hub diameter B-Series in propeller predictions (MacPherson, J Advance ratio (coefficient) 2011...

..., and by using 3-D powering to simulate water-jet propulsion systems has become iteration methodology, they simulated a water-jet over a much more challenging because of the complex geometric configurations and the interactions among 1 wide range of flow coefficients and were able to model used as the first...

... 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...

... to experimental data obtained for a conventional shaft and strut design for the same hull form. knot cusanelli geometry pod design speed prediction hcrsp coefficient aft propeller propeller thrust breakdown power ratio forward propeller configuration blade row black & cusanelli...

... for performance predictions. It was found that the addition of the cup could be modeled as an increase in effective pitch. For a given KT/J2 operating curve, the cupped propeller operates at a higher advance coefficient than the original propeller when running ahead. The increase in advance coefficient leads...

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

... the methodology and numerical implementation of OpenProp, with multiple examples of designs, including actual parts fabricated from the code using 3D printing technology. flow parameter state vector subroutine propeller openprop coefficient blade section turbine design propeller turbine torque...

... blade section lift coefficient high speed cavity shape efficiency thrust breakdown cavitation number lift-to-drag ratio characteristic cavitation propeller knot new section coefficient section shape super-cavitating section Advanced Blade Sections for High Speed Propellers Scott Black...

... experimental data. revolution coefficient velocity vector propeller fluid dynamics iteration crash-ahead condition suction side thrust pressure side pressure distribution pressure distribution operation dtrc 4118 equation reservoir simulation side pressure distribution vector plot crash...

... thrust bearing supplied for the Japanese Techno Super Liner project are also presented. friction simmons operation journal pad lbf break away babbitted pad mpa reduction hydrodynamic bearing thrust bearing coefficient application thrust pad thrust collar ptfe thrust block babbitt...

... accurately be assessed by model tests. production control open propeller experiment application propeller production monitoring efficiency model experiment actuator disk nozzle scale effect ducted propeller system coefficient oosterveld reynolds number thrust reservoir surveillance...

... geometry was measured using a custom-designed pod dynamometer in a towing tank. The podded units were tested to measure the thrust and torque of the propeller and the forces on the whole unit in three orthogonal directions. The tests were conducted for a range of advance coefficients from 0 to 1.2...

... is analyzed by potential based boundary element method. GA then updates the desigu parameters over generation after generation and finally, finds an improved hydrofoil of maximum lift-drag ratio or minimum drag coefficient satisfying some design constraints. An improved blade or hydrofoil section is also...

... Propulsor (OIP), see (19a); V (V 0 ) - speed of advance; Fp -hydraulic section of propulsor (projection of the C - constant from the optimum condition (3); CTA = 2TE l(pV 2Fp) - thrust(/effective thrust) loading coefficient (based on FP ); cTE_ =2TE l(pV2F_ )- effective coefficient (based on F_ ); thrust...

... of propulsor performance. efficiency swirl field quantity radial distribution coefficient lifting line circumferential mean circulation thrust coefficient quantity grid circulation distribution solver propeller blade row contour duct streamtube propulsor The Preliminary Design...

...), (15) and, consequently, the unknown source and doublet strengths also become time-dependent, or angulardependent in the given formulation. Numerically it means that the both matrices of influence coefficient (left-hand parts of (12)) and inflow field (right-hand parts of (12)) change with blade turn...

..., and vertical axis propellers either inherently provide a steering capability or are sold with the steering element as an integral part. In addition, the appendage drag ofthese systems varies greatly. Thus the traditional measure of merit, the propulsive coefficient, which is mostly concerned with propeller...