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Proceedings Papers

Paper presented at the SNAME Propeller and Shafting Symposium, September 12–13, 2023
Paper Number: SNAME-PSS-2023-006
... The performance of a representative 2D propeller section was investigated in rectilinear flow to determine the impact of small in-tolerance leading-edge defects on cavitation. A DTMB Mod NACA-66 blade section with 4% thickness and 1.4% camber was taken as representative of a blade section where...
Proceedings Papers

Paper presented at the SNAME 9th Propeller and Shafting Symposium, September 20–21, 2000
Paper Number: SNAME-PSS-2000-09
... a detailed description of the flow field distribution around the propeller, to be used for both new design approach as well as for analysing propulsive, hydroacoustic and structural performances, induced by propeller-vessel coupling. Furthermore, the experimental investigation provides baselines to improve...
Proceedings Papers

Paper presented at the SNAME 6th Propeller and Shafting Symposium, September 17–18, 1991
Paper Number: SNAME-PSS-1991-12
... tip vortex cavitation. Particularly when investigating the first problem the use of a full scale test object is advantageous. Accordingly, the idea of using a hydrofoil corresponding to the outer part of a full scale propeller blade was adopted. The hydrofoil was tested in the high speed test section...
Proceedings Papers

Paper presented at the SNAME Propellers '88 Symposium, September 20–21, 1988
Paper Number: SNAME-PSS-1988-02
.... The comparison of SIPUP’s at sea data and design predictions shows good agreement in both propulsive coefficient and vehicle speed. coefficient calculation swirl inducing taor upstream sisup propulsor united states government vehicle stator investigation ne propulsion propulsor requirement...
Proceedings Papers

Paper presented at the SNAME Propellers '88 Symposium, September 20–21, 1988
Paper Number: SNAME-PSS-1988-06
.... polynomial efficiency diameter propeller cavitating screw propeller europe government coefficient cpdsy consideration result calculation cavitation optimum propeller evaluation procedure accuracy comparison investigation THE SOCIETY OF NAVAL ARCHITECTS AND MARINE ENGINEERS 601 Pavonia...
Proceedings Papers

Paper presented at the SNAME Propellers '84 Symposium, May 15–16, 1984
Paper Number: SNAME-PSS-1984-11
... During more than 10 years propellers have been investigated by model tests in the SSPA large cavitation tunnel in which complete ship models can be mounted. This equipment made it possible to measure the pressure pulses on the hull induced by the cavitating propellers at correct geometric...
Proceedings Papers

Paper presented at the SNAME Propellers '84 Symposium, May 15–16, 1984
Paper Number: SNAME-PSS-1984-08
... In an experimental investigation in a cavitation tunnel blade force measurements, cavitation observations, and measurements of hull pressure fluctuations have been performed in 4 systematically-varied wake fields. The primary difference in the wake fields lies in the velocity gradients...
Proceedings Papers

Paper presented at the SNAME Propellers '84 Symposium, May 15–16, 1984
Paper Number: SNAME-PSS-1984-02
... supporting the use of this basic theoretical method for prediction and design guidance purposes related to unsteady cavitating propeller excitation problems. information experiment investigation loading cavity cavitation procedure fin hull naval architect propeller amplitude agreement...
Proceedings Papers

Paper presented at the SNAME Propellers '81 Symposium, May 26–27, 1981
Paper Number: SNAME-PSS-1981-021
..., cavitation and noise aspects were investigated. Then a full scale optimization program was planned and carried out in order to ascertain the expected differences between model and full scale propellers behaviour. As a final step, the optimum full scale propeller was developed and submitted to a complete...
Proceedings Papers

Paper presented at the SNAME Propellers '78 Symposium, May 24–25, 1978
Paper Number: SNAME-PSS-1978-016
... transaction alloy investigation specimen type 5 philadelphia THE SOCIETY OF NAVAL ARCHITECTS AND MARINE ENGINEERS One World Trade Center, Suite 1369, New York, N .Y.10048 Paper to be presented at the Propellers '78 Symposium, Virginia Beach, Virginia, May 24·25, 1978 Strength of Propeller Blades...
Proceedings Papers

Paper presented at the SNAME Propellers '75 Symposium, July 22–23, 1975
Paper Number: SNAME-PSS-1975-005
... propeller vassilopoulo transaction ref thickness investigation frequency vibration bradshaw reference stress loading strength procedure engineering THE SOCIETY OF NAVAL ARCHITECTS AND MARINE ENGINEERS 74 Trinity Place, New York, N.Y. 10006 Pap er to b e presented at Propellers 75...
Proceedings Papers

Paper presented at the SNAME Propellers '75 Symposium, July 22–23, 1975
Paper Number: SNAME-PSS-1975-002
... Propeller strength analysis and prediction methods were investigated. The primary tool was the finite element technique. More specifically, the thins hell approximation was adopted and modeled by a commercially available (MARCCDC) program. To verify that the program was performing correctly...

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