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Keywords: experiment
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Proceedings Papers

Paper presented at the SNAME 12th Propeller and Shafting Symposium, September 15–16, 2009
Paper Number: SNAME-PSS-2009-07
... hydrofoil set-up and conditions. The effect of the unsteady rotor/stator interaction is studied. The method then is extended in 3-D to calculate the unsteady trailing wake of propeller flow, and validated with experimental data. passenger transportation strength prediction bem model fluent marine...
Proceedings Papers

Paper presented at the SNAME 11th Propeller and Shafting Symposium, September 12–13, 2006
Paper Number: SNAME-PSS-2006-06
... equations reduce to: ,' {IT u, = D 'ij (34) (35) (36) In bollard condition, the propeller-induced velocities ofthe two methods differ by a factor t. In order to check the validity of the above formulations experimental data are needed of ducted propeller experiments of which the characteristics...
Proceedings Papers

Paper presented at the SNAME 9th Propeller and Shafting Symposium, September 20–21, 2000
Paper Number: SNAME-PSS-2000-10
... extended service lives for marine propeller shafts is attempted in this paper. Several relevant case studies conducted by other researchers are presented. flowline corrosion strength service life extension experiment compressive zone materials and corrosion mechanical component marine...
Proceedings Papers

Paper presented at the SNAME 8th Propeller and Shafting Symposium, September 23–24, 1997
Paper Number: SNAME-PSS-1997-02
... of unknowns becomes N=NB+Nw. Experimental method The experimental equipment is mounted on the rigid main frame of the KRISO towing carriage. Figure 11 shows the experimental setup on the carriage and the experiments underway at the towing tank. The submerged part of the duct is shrouded by a strut...
Proceedings Papers

Paper presented at the SNAME 7th Propeller and Shafting Symposium, September 20–21, 1994
Paper Number: SNAME-PSS-1994-011
...-- 10 "" w uz w 0 0:: w LL LL o -10 u 0w:: [l_ -20 EB AFTER STATISTICAL MATCHING X DEFAULT VALUES I ! I 1f -30 0.0 0.2 0.4 0.6 0.8 1.0 20 However, deviations between calculations and experimental data will always be present due to limitations in the model and the limited accuracy of the experiments (see...
Proceedings Papers

Paper presented at the SNAME 7th Propeller and Shafting Symposium, September 20–21, 1994
Paper Number: SNAME-PSS-1994-020
... of propeller thrust and torque from experiments conducted in blocked flow with the high pitch . propeller P0 = 109 kPa are presented in Figure 13. Again, polynomial curves · were fitted to the experimental data. The fitted curves from the experimental results in uniform flow are repeated for comparison...
Proceedings Papers

Paper presented at the SNAME 6th Propeller and Shafting Symposium, September 17–18, 1991
Paper Number: SNAME-PSS-1991-15
... in order to obtain a model on which to perform experiments, through which the reliability of the analysis -method could be verified. A complete description of the design process and the experimental process can be found in [1]. A brief summary will be given here. It was felt that the most efficient means...
Proceedings Papers

Paper presented at the SNAME Propellers '88 Symposium, September 20–21, 1988
Paper Number: SNAME-PSS-1988-22
... This paper presents results of water tunnel model experiments and analytical predictions for the propeller-induced unsteady hull surface pressures and blade cavitation produced by a high-power destroyer propeller. The experimental results were obtained with a large model propeller run...
Proceedings Papers

Paper presented at the SNAME Propellers '88 Symposium, September 20–21, 1988
Paper Number: SNAME-PSS-1988-10
... in their comparative evaluation of different ~omputational procedures. This section escribes the propellers, wake, experimental setup, and operating conditions. Experiments were carried out at the cavitation tunnel of Ship Research Station Korea Institute of Machinery and Metals [ 12]. The measuring section has...
Proceedings Papers

Paper presented at the SNAME Propellers '88 Symposium, September 20–21, 1988
Paper Number: SNAME-PSS-1988-03
....' cuIap1ared with an cor!I ting a.Ione. efficiency of 67 percent for Thus, the theory predicts the p reUoer opper·ai.nt gain compared w.ith the value of a. 6 percenta.ge uproed in the' experiment. 8 percent meas The fact that the experimentally determined efficiency gain was better than optimum should probably...
Proceedings Papers

Paper presented at the SNAME Propellers '88 Symposium, September 20–21, 1988
Paper Number: SNAME-PSS-1988-04
... As part of the research programme supported by the National Foundation for co-ordination of Maritime Research in the Netherlands, full scale experiments were performed on board a roll-on roll-off (ro-ro) container ship to determine the acoustic performance of a highly skewed propeller...
Proceedings Papers

Paper presented at the SNAME Propellers '84 Symposium, May 15–16, 1984
Paper Number: SNAME-PSS-1984-07
..., specifically tip forces in detail. The tandem propeller was tested in two different configurations, both in uniform inflow. This demonstrated the agility of the new technique to d large quantity testing over large areas. laser doppler anemometry experiment particle propeller tracker experimental...
Proceedings Papers

Paper presented at the SNAME Propellers '84 Symposium, May 15–16, 1984
Paper Number: SNAME-PSS-1984-02
... pressures (blade rate} vs. longitudinal distance forward of propeller tip, A0-177 with fins 12 COMPARISON OF THEORY AND EXPERIMENT The present calculated results, obtained by the procedures described previously, can be directly compared with experimental model data. The model test data for hull pressures...
Proceedings Papers

Paper presented at the SNAME Propellers '81 Symposium, May 26–27, 1981
Paper Number: SNAME-PSS-1981-011
... of loading. determined from the model experiments agreed fairly well with full-scale data, but was substan­ tially larger than the predictions by the two theoretical methods. In an attempt to isolate the reasons for the large discrepancy between these experimental and theoretical results, the following...
Proceedings Papers

Paper presented at the SNAME Propellers '81 Symposium, May 26–27, 1981
Paper Number: SNAME-PSS-1981-007
... ear 0 ear experiment bladed propeller optimum performance propeller cavitation equation mathematical synthesis speed coefficient synthesis experimental cavitation segmental propeller THE SOCIETY OF NAVAL ARCHITECTS AND MARINE ENGINEERS One World Trade Center, Suite 1369, New York, N.Y...
Proceedings Papers

Paper presented at the SNAME Propellers '78 Symposium, May 24–25, 1978
Paper Number: SNAME-PSS-1978-003
... experiments were conducted in deflection control , the elastic modulus determined from deflection measurements was used . Furthermore, only a small variation was noted in the experimentally determined modulus values for each material . Since the observed variations were within those expected based upon...
Proceedings Papers

Paper presented at the SNAME Propellers '78 Symposium, May 24–25, 1978
Paper Number: SNAME-PSS-1978-006
... of experiments were conducted on a twin-screw ship, namely, a model of the DD-963 Class. These results are presented in the current paper. For the DD-963 Class, the experimental conditions included (1) steady ahead operation neac the self-propulsion point, (2) steady ahead operation near the self-propulsion...
Proceedings Papers

Paper presented at the SNAME Propellers '75 Symposium, July 22–23, 1975
Paper Number: SNAME-PSS-1975-011
... tabl e 2) . (EI ) FL2 Table 2. = Hooke number , e l as tic s imilarity x). = Froude number wave qL s i milaritv . ' PROPOSED TECHNIQUE FOR EXPERIMENTS ON MODELS. General Remarks. In order to have experimental support of the cal culated results it may be beneficial to make use of an improved experiment...

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