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Keywords: geometry
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Proceedings Papers
Paper presented at the SNAME Propeller and Shafting Symposium, September 12–13, 2023
Paper Number: SNAME-PSS-2023-001
... geometry geology configuration builder node shaft deflection elastic foundation united states government deflection simulation stave iteration bearing geological subdiscipline stiffness duramax marine mstr bearing bearing reaction Propeller and Shafting Symposium 2023 12-13 September...
Proceedings Papers
Paper presented at the SNAME Propeller and Shafting Symposium, September 12–13, 2023
Paper Number: SNAME-PSS-2023-008
... complex bearing shell geometries on a wide variety of base metals, and overall improvement of the hydrodynamic bearing performance. bearing metals & mining microstructure geology geological subdiscipline snsb8cu4 geologist united states government application hardness deformation...
Proceedings Papers
Paper presented at the SNAME Propeller and Shafting Symposium, September 12–13, 2023
Paper Number: SNAME-PSS-2023-006
... inception in-tolerance leading-edge defect desinence cavitation propeller foil geometry span europe government leading-edge defect investigation cavitation incidence Propeller and Shafting Symposium 2023 12-13 September, Norfolk, Virginia Copyright © 2023 Society of Naval Architects and Marine...
Proceedings Papers
Paper presented at the SNAME Propeller and Shafting Symposium, September 12–13, 2023
Paper Number: SNAME-PSS-2023-002
... This paper examines the effect of dynamic propeller loads on the axial location of the knuckle point in a double sloped aft sterntube bearing (ASTB), as found in a typical marine slow-speed direct drive diesel engine powertrain. The so-called double sloped geometry is formed inside a bearing...
Proceedings Papers
Paper presented at the SNAME 14th Propeller and Shafting Symposium, September 15–16, 2015
Paper Number: SNAME-PSS-2015-011
... is engineering geometric dimensioning and tolerance for the the designer s intended geometry, referred to as the design design, material science for the bronze recipe, fluid dynamics geometry. The design geometry is often provided as 3D surface for calculating the molten flows, heat transfer for the offsets...
Proceedings Papers
Paper presented at the SNAME 14th Propeller and Shafting Symposium, September 15–16, 2015
Paper Number: SNAME-PSS-2015-004
... geometry revolution efficiency ship condition load fluctuation fluid dynamics calculation model scale wake field propeller full scale reservoir simulation fluctuation blade load fluctuation water performance transient blade load determination Transient blade load determination in behind...
Proceedings Papers
Paper presented at the SNAME 13th Propeller and Shafting Symposium, September 11–12, 2012
Paper Number: SNAME-PSS-2012-004
...-jet pump span-wise direction production control upstream oil & gas rotor us government proc prediction rotor blade pressure distribution kinna coefficient symposium circulation distribution ran solver flow coefficient experimental data circumferential direction geometry solver...
Proceedings Papers
Paper presented at the SNAME 12th Propeller and Shafting Symposium, September 15–16, 2009
Paper Number: SNAME-PSS-2009-03
.... The design process used a number of design and analysis tools to develop a propulsor intended to operate at 39 knots while avoiding thrust breakdown. The propulsor geometry was manufactured and tested in open water at two different scales and used in powering and cavitation tests. Software predictions...
Proceedings Papers
Paper presented at the SNAME 12th Propeller and Shafting Symposium, September 15–16, 2009
Paper Number: SNAME-PSS-2009-05
... webb institute cupping propeller cup coefficient b-sery 0 fourier series coefficient carriage speed geometry propeller effective pitch open-water region blade section thrust The Effect of Cupping on Four-Quadrant Propeller Performance Jonathan H. Dowsett1, (M); Phillip S. Duerr1, (M...
Proceedings Papers
Paper presented at the SNAME 12th Propeller and Shafting Symposium, September 15–16, 2009
Paper Number: SNAME-PSS-2009-02
... 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...
Proceedings Papers
Paper presented at the SNAME 12th Propeller and Shafting Symposium, September 15–16, 2009
Paper Number: SNAME-PSS-2009-09
... geometry optimizer equation tip speed ratio iteration turbine lift coefficient circulation distribution OpenProp: An Open-source Design Tool for Propellers and Turbines B. P. Epps1 (SM), M. J. Stanway1 (SM), and R. W. Kimball2 (AM) 1: Graduate student, Massachusetts Institute of Technology...
Proceedings Papers
Benjamin Y.H. Chen, Stephen K. Neely, Thad J. Michael, Scott Gowing, Richard P. Szwerc, Dirk Buchler, Reinert Schult
Paper presented at the SNAME 11th Propeller and Shafting Symposium, September 12–13, 2006
Paper Number: SNAME-PSS-2006-08
.... efficiency prediction pitch change propeller blade deflection cavitation performance rigid propeller uniform flow circulation distribution circulation wake screen mean load flexible propeller geometry propeller geometry flow field deflection composite propeller no-load geometry Design...
Proceedings Papers
Paper presented at the SNAME 10th Propeller and Shafting Symposium, September 17–18, 2003
Paper Number: SNAME-PSS-2003-05
... on the rudder. The effects of the hull are considered by using the image model in PROPCAV. Several validation studies with other methods, some analytical solutions, and experiments are presented. strut rudder boundary kinna propeller engineering proceedings geometry panel method interaction...
Proceedings Papers
Paper presented at the SNAME 9th Propeller and Shafting Symposium, September 20–21, 2000
Paper Number: SNAME-PSS-2000-07
... discretization free surface coefficient kinna propeller loading submerged propeller prediction geometry submerged panel propeller Prediction of Unsteady Performance of Surface-Piercing Propellers Yin Lu Young1 and Spyros A. Kinnas2 ABSTRACT A 9-D /ow-order boundary element method, PROPCAV, has been...
Proceedings Papers
Paper presented at the SNAME 9th Propeller and Shafting Symposium, September 20–21, 2000
Paper Number: SNAME-PSS-2000-18
... solver are discussed. Verification of the method has been performed on a variety of geometries and vehicles. Two examples are shown. Preliminary results show that the method is able to compute propulsor-induced maneuvering forces for such vehicles. The results suggest that this maneuvering force...
Proceedings Papers
Paper presented at the SNAME 9th Propeller and Shafting Symposium, September 20–21, 2000
Paper Number: SNAME-PSS-2000-01
... In modern ship design problems related to cavitation can be solved successfully by properly designing the surfaces of propeller blades, rudders, shaft struts, etc. When the cavitation is of a limited nature, optimization of the geometry with respect to the inception of cavitation can lead...
Proceedings Papers
Paper presented at the SNAME 9th Propeller and Shafting Symposium, September 20–21, 2000
Paper Number: SNAME-PSS-2000-20
... optimization algorithm solves the problem about the increase of the propulsor efficiency. The modified lifting-surface approach allows the quite accurate alignment of the blade row geometry taking into account the realistic velocity field as well as the interaction with body, on which the blade row...
Proceedings Papers
Paper presented at the SNAME 9th Propeller and Shafting Symposium, September 20–21, 2000
Paper Number: SNAME-PSS-2000-03
... effects (such as viscous drag) or constraints (structural) are to be included, the mathematical expression of the problem becomes too complicated to .be solved analytically. With the present GA the blades are represented with their true geometry, since the core of the program is a Vortex Lattice Method...
Proceedings Papers
Paper presented at the SNAME 9th Propeller and Shafting Symposium, September 20–21, 2000
Paper Number: SNAME-PSS-2000-13
... surface were retained. The faired geometry was analyzed with the lifting surface code PSF3, with a hub model [2]. The results of the PSF3 calculations were used to fine-tune the pitch to achieve the desired thrust. 0.04 0.03 f7cl 0.02 / ~ 0 . 0 1 1 - , - - / -. .- - - - f - - - - - - - < " c...
Proceedings Papers
Paper presented at the SNAME 8th Propeller and Shafting Symposium, September 23–24, 1997
Paper Number: SNAME-PSS-1997-13
... This paper presents various methods for describing propeller blade geometry using non-cylindrical blade sections. The coordinates of these sections are easily determined from the traditional set of radially-varying geometric parameters such as chord, camber, thickness, pitch, skew, and rake...
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