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Proceedings Papers

Paper presented at the SNAME 30th American Towing Tank Conference, October 4, 2017
Paper Number: SNAME-ATTC-2017-0053
... performed in Stevens Institute of Technology Davidson Laboratory towing tank. The comparison shows that STAR-CCM+ RANS codes can predict TriSWACH’s hydrodynamic characteristics in calm water with high accuracy. Finally, TriSWACH's optimal side-hulls’ position was discussed based on calm water resistance...
Proceedings Papers

Paper presented at the SNAME 30th American Towing Tank Conference, October 4, 2017
Paper Number: SNAME-ATTC-2017-0044
... institute boom line configuration american towing tank conference THE 30th AMERICAN TOWING TANK CONFERENCE WEST BETHESDA, MARYLAND, OCTOBER 2017 Instrumentation Methodology for a Log Containment Grid Model in Towing Tank Tests Felipe Santos de Castro, Institute for Technological Research, São Paulo...
Proceedings Papers

Paper presented at the SNAME 28th American Towing Tank Conference, August 8–10, 2007
Paper Number: SNAME-ATTC-2007-009
...MODELING PARAVANES FOR SEAKEEPING TESTS OF FISHING VESSELS Ayhan Akinturk1, David Cumming1 and Donald Bass2 1: National Research Council (NRC), Institute for Ocean Technology (IOT) St John s, Newfoundland and Labrador, Canada 2: Memorial University of Newfoundland (MUN), St John s, Newfoundland...
Proceedings Papers

Paper presented at the SNAME 27th American Towing Tank Conference, August 6–7, 2004
Paper Number: SNAME-ATTC-2004-004
... and instrumentation objectives that were not practical in model test programs of a decade ago. This paper describes a model autopilot system that was developed last year at the Institute for Ocean Technology, having significant advantages over earlier systems. The autopilot and the heading sensor are not on the model...
Proceedings Papers

Paper presented at the SNAME 27th American Towing Tank Conference, August 6–7, 2004
Paper Number: SNAME-ATTC-2004-009
... pusher mode tractor mode university pre-sawn ice coefficient propeller institute dynamometer tank international conference podded propulsor newfoundland thrust coefficient ice performance ice test experimental model open water test This paper describes the experimental...
Proceedings Papers

Paper presented at the SNAME 27th American Towing Tank Conference, August 6–7, 2004
Paper Number: SNAME-ATTC-2004-003
... This paper discusses accuracy issues and measurement complications related to acquiring data during standard ship trials. Recent Institute for Ocean Technology (IOT) experience using a modern trials instrumentation capability during seakeeping, propulsion and manoevring trials on a small...
Proceedings Papers

Paper presented at the SNAME 27th American Towing Tank Conference, August 6–7, 2004
Paper Number: SNAME-ATTC-2004-005
... research on scale effects is recommended. tank testing photo courtesy institute tank conference davidson laboratory designer savitsky bmt scientific marine service calculation america yacht scale effect tank requirement test facility tank 1 27th American Towing Tank Conference St...
Proceedings Papers

Paper presented at the SNAME 26th American Towing Tank Conference, July 23–24, 2001
Paper Number: SNAME-ATTC-2001-011
... In September of 1998, a collaborative effort between the Institute for Marine Dynamics (IMD) of the National Research Council of Canada and the Ocean Engineering Research Centre of Memorial University of Newfoundland began to design a streamlined AUV to serve as a testbed for /MD and graduate...
Proceedings Papers

Paper presented at the SNAME 26th American Towing Tank Conference, July 23–24, 2001
Paper Number: SNAME-ATTC-2001-012
... For standard maneuvering experiments, the Institute for Marine Dynamics (IMO) has traditionally used the classic approach - deploying free running models executing standard maneuvers such as turning circles and zig zags in an ocean basin environment. The primary disadvantage of using free...
Proceedings Papers

Paper presented at the SNAME 25th American Towing Tank Conference, October 24–25, 1998
Paper Number: SNAME-ATTC-1998-037
... and analysis which takes into account both the complexity of the ship-ice interaction and also the requirement to obtain information in a cost-effective manner. marine transportation experiment simulation physical model test freight & logistics services equation institute ship manoeuvring...
Proceedings Papers

Paper presented at the SNAME 25th American Towing Tank Conference, October 24–25, 1998
Paper Number: SNAME-ATTC-1998-026
... A new multi-purpose planar motion mechanism bas been commissioned for use at the Institute for Marine Dynamics in St John's. The mechanism has the capability of being installed in either the clear water towing tank or the ice tank allowing for the first time maneuvering studies in ice to be made...
Proceedings Papers

Paper presented at the SNAME 24th American Towing Tank Conference, November 2–3, 1995
Paper Number: SNAME-ATTC-1995-031
...DETAILED BOW-FLOW DATA AND CFD FOR A SERIES 60 C8=.6 SHIP MODEL FOR FROUDE NUMBER .316 by F. Stern, J. Longo, and Z.J. Zhang Institute of Hydraulic Research The University of Iowa Iowa City, Iowa 52242 ABSTRACT The bow flow of the Series 60 C8=0.6 ship model is reinvestigated using both experiments...
Proceedings Papers

Paper presented at the SNAME 24th American Towing Tank Conference, November 2–3, 1995
Paper Number: SNAME-ATTC-1995-005
... validated and compared with those of another method, as well as with measurements from a supercavitating propeller experiment. propeller thickness institute ukon hpuf-3a-scp convergence hpuf-3a vector coefficient procedure sc-vlm cavitation application supercavity pn 2 separation...
Proceedings Papers

Paper presented at the SNAME 24th American Towing Tank Conference, November 2–3, 1995
Paper Number: SNAME-ATTC-1995-007
... of the applied pressure is seen at the hull. The study also found that the pressure only acts on the bow region and parallel middle body. resistance john rubble institute pig xcbbrbadr rbsxstancb floe ship hull thickness parallel midbody frictional resistance modelling basin experiment...
Proceedings Papers

Paper presented at the SNAME 24th American Towing Tank Conference, November 2–3, 1995
Paper Number: SNAME-ATTC-1995-009
..., the splicing of drive signal frames when the endpoints don't match up. Finally, details are given on a procedure used to adjust and refine drive signals so that the measured wave spectrum more closely resembles the desired spectrum. dalzell naval academy anderson attc institute north america...
Proceedings Papers

Paper presented at the SNAME 23rd American Towing Tank Conference, June 11–12, 1992
Paper Number: SNAME-ATTC-1992-035
... according to standard IMD procedures, and these results were then compared to determine the resistance variation. resistance marine dynamic strength repeatability deviation starulard deviation thickness newbury scale model comparison variation flexural strength institute icebreaker...
Proceedings Papers

Paper presented at the SNAME 23rd American Towing Tank Conference, June 11–12, 1992
Paper Number: SNAME-ATTC-1992-032
... incidence of jamming between the hull and the unbroken ice sheet leading to crushing events and large loads in the shoulder region. model ice torque strength effect buoyancy interaction resistance density institute propeller spencer cd model ice rubble preliminary observation rubble...
Proceedings Papers

Paper presented at the SNAME 23rd American Towing Tank Conference, June 11–12, 1992
Paper Number: SNAME-ATTC-1992-031
... A standard method for conducting ice resistance model tests as adopted by the Institute for Marine Dynamics is described. The standard procedure involves splitting the total resistance into components; ice breaking, clearing, buoyancy and open water. This allows each component to be treated...
Proceedings Papers

Paper presented at the SNAME 23rd American Towing Tank Conference, June 11–12, 1992
Paper Number: SNAME-ATTC-1992-026
... The wavemaker system at the Institute for Marine Dynamics (IMD) in St. John’s, Newfoundland was designed to simulate oblique regular and irregular waves as well as short crested waves, sometimes referred to as multi-directional waves. At present, the wavemaker system consists of 192 segments...
Proceedings Papers

Paper presented at the SNAME 22nd American Towing Tank Conference, August 8–11, 1989
Paper Number: SNAME-ATTC-1989-028
... The Clear Water Towing Tank (CWTT) at the Institute for Marine Dynamics (IMD) measures 200 m long x 12 m wide x 7 m deep with a usable run length of approximately 150 meters. The tank is equipped with an electrically driven (manned) towing carriage capable of speeds up to 10 mis...

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