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Keywords: coefficient
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Proceedings Papers
Paper presented at the SNAME Maritime Convention, October 14–16, 2024
Paper Number: SNAME-SMC-2024-048
... is now automated. The validation framework can be repeated efficiently, allowing frequent use when developing or updating the underlying code or adding new validation data, such that the overall performance can be quantified. characteristic prediction coefficient norfolk ship time-domain...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, October 14–16, 2024
Paper Number: SNAME-SMC-2024-033
... calculated using wake surveys in RANS, while a separation of downwash coefficients was used in the lifting line formulation. Reynolds numbers between 2.57x10^5 and 2.06x10^6 were simulated, which corresponded to chord-based Froude numbers between 0.5 and 4. We present various Froude number-dependent trends...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, September 27–29, 2023
Paper Number: SNAME-SMC-2023-036
... classified by analyzing the underwater video images and the fast Fourier transform (FFT) results of the thrust. The ventilation effects with respect to submergence depths and advance coefficients on propulsion performance were investigated. Also, the shaft excitation force was analyzed, and the thrust...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, September 27–29, 2023
Paper Number: SNAME-SMC-2023-060
... efficiency coefficient catamaran amplitude europe government electrical industrial apparatus ocean wave harvesting san diego SNAME Maritime Convention 2023 27-29 September, San Diego, CA Copyright © 2023 Society of Naval Architects and Marine Engineers (SNAME) www.sname.org Ocean Wave Harvesting...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, September 27–29, 2022
Paper Number: SNAME-SMC-2022-060
... propulsion coefficient consumption efficiency measure elizabeth lindstad ghg reduction SNAME Maritime Convention 2022 26-29 September, Houston, TX Copyright © 2022 Society of Naval Architects and Marine Engineers (SNAME) www.sname.org Reaching IMO 2050 GHG Targets Exclusively through Energy Efficiency...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, September 27–29, 2022
Paper Number: SNAME-SMC-2022-069
... environmental forces in station keeping, like static and dynamic mooring analysis, Dynamic Positioning (DP) calculations, especially in time domain DP predictions. floating production system coefficient semisubmersible upstream oil & gas fpso pontoon floating production storage and offloading...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, September 27–29, 2022
Paper Number: SNAME-SMC-2022-066
... interaction method. Good agreement is found for the prediction of the resistance, thrust and torque coefficients of the impeller. The comparisons also made it possible to determine appropriate installation angles of the stern hydrofoil for achievement of lower shaft delivered power and more stable running...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, September 27–29, 2022
Paper Number: SNAME-SMC-2022-065
... artificial intelligence dataset marine transportation freight & logistics services neural network climate change quantity houston prediction kriezis propeller pitch mae regression ship power speed coefficient consumption machine learning machine learning method smc 2022 fcnn mape...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, October 27–29, 2021
Paper Number: SNAME-SMC-2021-012
... on more complex geometries such as hydrofoils, turbines, propulsors, fin stabilizers, rudders, and other control surfaces using flow kinematics data from PIV. production monitoring upstream oil & gas flow field production control production logging calculation coefficient procedure...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, October 27–29, 2021
Paper Number: SNAME-SMC-2021-009
... coefficient anderson roughness coating planing boat performance dr SNAME Maritime Convention 2021 27-29 October, Providence RI Copyright © 2021 Society of Naval Architects and Marine Engineers (SNAME) www.sname.org Hull Roughness and its Effects on Planing Boat Performance Dr. John C. Daidola, P.E.1...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, October 27–29, 2021
Paper Number: SNAME-SMC-2021-132
... of models was presented. Here, one of these coupled solvers is used to predict the local flow behind the propeller, as well as integral coefficients indicating performance, of four different vessels: a bulk carrier fitted with an Energy Saving Device, a fast container ship, a tanker and a fully appended...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, September 29–October 2, 2020
Paper Number: SNAME-SMC-2020-089
... result jacob woeste hull geometry propeller aegir virtual event calm water wave condition head sea smc2020 wake fraction upstream oil & gas resistance coefficient rotation rate body motion SNAME Maritime Convention 2020 A Virtual Event 29 September 2 October Copyright © 2020...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, September 29–October 2, 2020
Paper Number: SNAME-SMC-2020-048
... hydrofoil bell-shaped lift distribution nonlinear geometric twist bell-shaped spanload pierce passenger transportation tinnell hydrodynamic performance aspect ratio lift distribution constraint elliptical lift distribution coefficient reduction hydrofoil geometry SMC2020 A Virtual Event...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, September 29–October 2, 2020
Paper Number: SNAME-SMC-2020-012
...+ on structured grids. Using the best-practice settings, verification studies were carried out for the cavitation buckets of a 20% thick 2% camber section without a defect. The main body of this work examines minimum pressure coefficients on a 4.16% thick 1.4% camber section with and without defects near the LE...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, September 29–October 2, 2020
Paper Number: SNAME-SMC-2020-084
... mesh baseline martin optimization surface mesh design variable cavitation constraint artificial intelligence constraint virtual event intersection geometry separation yingqian liao reduction coefficient hydrodynamic optimization SNAME Maritime Convention 2020 A Virtual Event 29...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, September 29–October 2, 2020
Paper Number: SNAME-SMC-2020-085
... intelligence model test simple beam test upstream oil & gas freshwater ice podded icebreaker propeller rate wang smc2020 coefficient beam test flexural strength us government strength virtual event full-scale model-scale comparison icebreaker ice resistance ice thickness september-2...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, September 29–October 2, 2020
Paper Number: SNAME-SMC-2020-092
... activities in the Gulf of Guinea. resistance virtual event guinea smc2020 froude number hull form performance hull displacement hull ship regime power prediction program coastal patrol boat prediction program guinea raju datla coefficient gulf SNAME Maritime Convention 2020...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, September 29–October 2, 2020
Paper Number: SNAME-SMC-2020-098
... application derivative deep learning virtual event coefficient shaeffer smc2020 algorithm cost function hull form design architecture hull form dataset SNAME Maritime Convention 2020 A Virtual Event 29 September- 2 October Copyright © 2020 Society of Naval Architects and Marine Engineers...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, October 30–November 1, 2019
Paper Number: SNAME-SMC-2019-003
... is presented here by extending a potential flow seakeeping model to include hull maneuvering force coefficients, which include viscous effects. The present method includes incident wave excitation terms arising from hull maneuvering force coefficients. These predicted forces are then used to determine ship...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, October 30–November 1, 2019
Paper Number: SNAME-SMC-2019-004
... with block coefficient of from 0.60 to 0.80. The implication for naval missions are discussed. KEY WORDS: Hull Roughness, Maneuvering, Hydrodynamic Derivatives, Lift/Drag, Series 60 INTRODUCTION The effects of hull roughness, including fouling, are known to affect the performance of a vessel, especially...
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