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Keywords: propulsor
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Proceedings Papers

Paper presented at the SNAME Propeller and Shafting Symposium, September 12–13, 2023
Paper Number: SNAME-PSS-2023-013
... Model Test is a key part of the entire ship design process. The interaction between the propulsor and the hull in these tests is expressed in terms of standard coefficients and forms an important design aspect which affects the final performance of the vessel. Even though these coefficients give...
Proceedings Papers

Paper presented at the SNAME 12th Propeller and Shafting Symposium, September 15–16, 2009
Paper Number: SNAME-PSS-2009-07
... transportation hydrofoil experiment propeller stator angle wake geometry rotor stator interaction propulsor wake surface front hydrofoil boundary condition interaction A Method for the Prediction of Rotor/Stator Interaction- Applications to 2-D Hydrofoils and Propeller Lei He (SM)1, Spyros...
Proceedings Papers

Paper presented at the SNAME 12th Propeller and Shafting Symposium, September 15–16, 2009
Paper Number: SNAME-PSS-2009-04
..., as in undisturbed inflow, or, more relevantly, that plus the unsteady equivalent when harmonic wavelength-to- Ducted CRP propellers, as in Kort-nozzle propulsors, benefit chord ratio is considered. further in both cavitation and efficiency from the reduced tip- region lift sensitivity-to-incidence afforded...
Proceedings Papers

Paper presented at the SNAME 12th Propeller and Shafting Symposium, September 15–16, 2009
Paper Number: SNAME-PSS-2009-01
... of the viscous flow around propulsors and the drag force on the pod and duct surfaces. The time- averaged propeller force distributions are considered as source terms (body force) in the momentum equations of NS-3X and FLUENT. The effects of viscosity on the effective wake and on the performance of the propeller...
Proceedings Papers

Paper presented at the SNAME 11th Propeller and Shafting Symposium, September 12–13, 2006
Paper Number: SNAME-PSS-2006-01
... and strut are assessed, and the results of the involved methods are validated with those measured in experiments. marine transportation convergence boundary propeller upstream oil & gas type podded propulsor mpuf-3a js 0 reservoir simulation body force proceedings force distribution...
Proceedings Papers

Paper presented at the SNAME 11th Propeller and Shafting Symposium, September 12–13, 2006
Paper Number: SNAME-PSS-2006-09
... This paper presents the results of an experimental study on the effects of propeller hub angle and azimuth conditions on the propulsive characteristics of puller podded propulsors in open water conditions. The propulsive performance of two model puller-podded units with different propeller hub...
Proceedings Papers

Paper presented at the SNAME 10th Propeller and Shafting Symposium, September 17–18, 2003
Paper Number: SNAME-PSS-2003-11
... renewable energy oscillation amplitude infinity upper boundary supplementary condition wind turbine estimation wind energy artificial intelligence efficiency axial coefficient propulsor effective thrust assumption inequality non-expansible wake restriction propeller...
Proceedings Papers

Paper presented at the SNAME 10th Propeller and Shafting Symposium, September 17–18, 2003
Paper Number: SNAME-PSS-2003-02
... 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 Potential propulsors for current...
Proceedings Papers

Paper presented at the SNAME 10th Propeller and Shafting Symposium, September 17–18, 2003
Paper Number: SNAME-PSS-2003-12
... upstream oil & gas propeller wake prediction velocity field circulation calculation pressure distribution algorithm reservoir simulation strength rudder coefficient propulsor integral equation strut propeller velocity component proceedings arrangement modified trailing...
Proceedings Papers

Paper presented at the SNAME 10th Propeller and Shafting Symposium, September 17–18, 2003
Paper Number: SNAME-PSS-2003-06
... until convergence. Several validations of results from the current numerical method with those ofother computational methods and with those measured in experiments are presented. 1 INTRODUCTION Contra-Rotating Propellers (CRPs) and ducted propellers are both classified as high efficiency propulsors...
Proceedings Papers

Paper presented at the SNAME 9th Propeller and Shafting Symposium, September 20–21, 2000
Paper Number: SNAME-PSS-2000-11
... the blade surfaces under most operating conditions. A VW can be used for high-speed vessels where traditional propulsors fail to perform due to cavitation limitations. It also can address some of the shortcomings typical of super cavitating or partially submerged propellers. The 24" water tunnel...
Proceedings Papers

Paper presented at the SNAME 9th Propeller and Shafting Symposium, September 20–21, 2000
Paper Number: SNAME-PSS-2000-05
... theoretical modeling coefficient propeller circulation distribution electrical industrial apparatus lifting line model propeller blade loading boundary condition nozzle vorticity distribution polynomial vortice configuration jacobi polynomial nozzle surface propulsor...
Proceedings Papers

Paper presented at the SNAME 9th Propeller and Shafting Symposium, September 20–21, 2000
Paper Number: SNAME-PSS-2000-18
...A Coupled Viscous/Potential-Flow Method for the Prediction of Propulsor-Induced Maneuvering Forces C. L. Warren (AM),1 T.E. Taylor (AM),2 J. E. Kerwin (FL)3 ABSTRACT A technique for the analysis of propulsor-induced maneuvering forces on surface and underwater vehicles has been developed...
Proceedings Papers

Paper presented at the SNAME 9th Propeller and Shafting Symposium, September 20–21, 2000
Paper Number: SNAME-PSS-2000-20
...A Hydrodynamic Design Procedure for Multi-Stage BladeRow Propulsors Using Generalized Linear Model of the Vortex Wake Alexander S. Achkinadze, 1 Visitor, Vladimir L Krasihiikov,2 Visitor, Ivan E. Stepanov,3 Visitor ABSTRACT This paper presents the hydrodynamic design procedure for multi-stage blade...
Proceedings Papers

Paper presented at the SNAME 8th Propeller and Shafting Symposium, September 23–24, 1997
Paper Number: SNAME-PSS-1997-17
... boundaiy condition gap solution propeller propulsor propeller blade coefficient the foil potential flow solution circulation duct loading infinite wall blade tip gap model gap panel discharge coefficient clearance region clearance flow A special procedure is presented...
Proceedings Papers

Paper presented at the SNAME 8th Propeller and Shafting Symposium, September 23–24, 1997
Paper Number: SNAME-PSS-1997-21
...A Design Procedure for Marine Vehicles with Integrated Propulsors J.E. Kerwin,1 Fellow, S. D. Black,2 Associate Member, T. E. Taylor,3 Student Member, C. L. Warren,4 Student Member ABSTRACT An integrated propulsor has a strong interaction with the flow over the stem and prevents that flow from...
Proceedings Papers

Paper presented at the SNAME 8th Propeller and Shafting Symposium, September 23–24, 1997
Paper Number: SNAME-PSS-1997-15
...TIP-DRIVEN MARINE PROPELLERS AND IMPELLERS - A NOVEL PROPULSION CONCEPT - Dejan Radojcic', (M) ABSTRACT Contemporary propulsors in tubes (waterjels, nozzles, side thrusters) are relatively cumbersome and definitely stem from simpler unshrouded installations. For shrouded installations tip-driving...
Proceedings Papers

Paper presented at the SNAME 7th Propeller and Shafting Symposium, September 20–21, 1994
Paper Number: SNAME-PSS-1994-008
... are presented. variation duct influence function propeller circulation computational band rotation angle inflow maneuvering force strength vortice loading coordinate system ducted propulsor propulsor artificial intelligence rotor geometry ducted propeller blade tip THE SOCIETY...
Proceedings Papers

Paper presented at the SNAME 7th Propeller and Shafting Symposium, September 20–21, 1994
Paper Number: SNAME-PSS-1994-001
... A navel postswirl propulsor designed for a small vehicle is addressed The major benefit of this design is the simplicity of the machinery arrangement. The challenge of this design is the low value of Reynolds number which may cause flow separation on the propulsor blade surfaces. Open-water...
Proceedings Papers

Paper presented at the SNAME 7th Propeller and Shafting Symposium, September 20–21, 1994
Paper Number: SNAME-PSS-1994-003
... This paper deals with ducted propulsors using both blade element and momentum theory. The degree to which the internal flow displays dimensional similarity is discussed. reservoir surveillance open propeller diameter similarity ducted propulsor production control mass flow rate...

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