1–20 of 53 hits
|

    Tunnel Hull Cavitation and Propeller Induced Pressure Investigation

    J. G. Peck | NTIS | 1974
    the propeller-induced pressures measured in the tunnel wall. Cavitation performance of the two propellers in uniform flow is also included ...
    Publisher: Naval Ship Research and Development Center Bethesda Md Ship Performance Dept
    Keywords: Cavitation , Propeller blades

    Propeller Cavitation Prediction for a Ship in a Seaway

    S. D. Jessup / H. C. Wang | NTIS | 1996
    case has been performed on the DD963 hull form and propeller predicting the influence of various sea states on propeller cavitation inception ...
    Keywords: Cavitation , Test and evaluation

    Propulsion and Cavitation Performance of a Propeller Designed for a Naval Fleet Oiler (AO 177) (Model 5326, Propeller 4677)

    A. L. Hendrican / K. D. Remmers | NTIS | 1976
    A new propeller was designed for a Naval Fleet Oiler (AO 177). Powering and cavitation experiments were conducted with the new propeller ...
    Publisher: David W Taylor Naval Ship Research and Development Center Bethesda Md Ship Performance Dept
    Keywords: Cavitation

    Propeller-Hull Interaction Problems on High Speed Ships: On the Influence of Cavitation

    O. Rutgersson | NTIS | 1982
    vector sum of shaft and strut forces. The influence of propeller loading and cavitation on the resultant thrust direction is shown to be very ...
    Keywords: Cavitation , Cavitation noise

    Supercavitating Propeller Performance. Influence of Propeller Geometry and Interaction Between Propeller, Rudder, and Hull

    O. Rutgersson | NTIS | 1979
    interaction between propeller, rudder and hull is shown. Cavitation observations and measurements of thrust, torque and pressure fluctuations at model ...
    Keywords: Cavitation

    Ventilated Propeller Performance

    R. Hecker / D. E. Crown | NTIS | 1971
    The thrust produced by and the efficiency of a ventilated supercavitating propeller were experimentally determined. Also, cavity pressure ...
    Publisher: Naval Ship Research and Development Center Washington D C
    Keywords: Cavitation

    Influence of Ship Size, Afterbody Shape and Propeller Speed of Rotation on Propeller Performance

    G. Dyne | NTIS | 1977
    The influence of ship size, afterbody shape and propeller rate of revolution on the propulsion, cavitation and pressure fluctuation ...
    Keywords: Cavitation

    Inclined-Shaft Propeller Performance Characteristics

    J. G. Peck / D. H. Moore | NTIS | 1974
    propeller performance when inclined to the oncoming flow. A series of four commercial propellers with pitch ratios of 0.8, 1.0, 1.2, and 1.4 were ...
    Publisher: Naval Ship Research and Development Center Bethesda Md
    Keywords: Cavitation

    Propeller Excitation and Response of 230 000 TDW Tankers

    C. A. Johnsson / T. Soentvedt | NTIS | 1972
    A comprehensive investigation concerning propulsion, cavitation and vibration has been carried out on two 230,000 TDW tanker ships. In the ...
    Keywords: Cavitation , Cavitation corrosion

    Pressure and Noise Induced by a Cavitating Marine Screw Propeller

    J. Matusiak | NTIS | 1992
    A method of evaluating the intermittent propeller blade fixed cavitation and shedding of free cavitation bubbles is presented. The number ...
    Keywords: Cavitation noise , Cavitation

    Performance Characteristics of a Jet Flap Propeller

    R. R. Hunt / M. P. Lasky / J. W. Grant | NTIS | 1968
    propeller blade cavitation and that for a given advance coefficient the thrust was considerably increased by using the jet flap. The propeller ...
    Publisher: David W Taylor Naval Ship Research and Development Center Bethesda MD Dept of Hydromechanics
    Keywords: Cavitation , Propeller blades

    Design and Evaluation of a Highly Skewed Propeller for a Cargo Ship

    R. J. Boswell / G. G. Cox | NTIS | 1974
    detail, including considerations of cavitation, mean and fatigue strength, and propeller-excited vibratory forces. Model experimental results are ...
    Publisher: Naval Ship Research and Development Center Bethesda Md
    Keywords: Cavitation , Cavitation corrosion

    Propeller Design for Naval Auxiliary AO-177 Jumbo

    K. H. Kim | NTIS | 1987
    cavitation and propeller-excited vibratory forces. The objective was to design a propeller which provides an increased thrust and improved cavitation ...
    Publisher: David W. Taylor Naval Ship Research and Development Center, Bethesda, MD. Ship Hydromechanics Dept
    Keywords: Cavitation

    Cavitation and Open-Water Performance of a Set of Tandem Propellers

    R. D. Kader | NTIS | 1974
    propeller is absent for all angular and axial spacing between propellers. Back cavitation occurs sooner at the inner radii for the forward propeller ...
    Publisher: Naval Ship Research and Development Center Bethesda Md Ship Performance Dept
    Keywords: Cavitation

    Propeller Slipstream Performance for Four High-Speed Rudders Under Cavitating Conditions

    P. B. Mathis / D. L. Gregory | NTIS | 1974
    conducted in the 24-inch, variable-pressure water tunnel over a cavitation number range from 4.0 to 0.5 and an angle of attack range from -35 to +35 ...
    Publisher: Naval Ship Research and Development Center Bethesda Md
    Keywords: Cavitation , Propeller slipstreams

    Experimental Optimization of Propeller Rudder Orientation for Minimum Vibratory Loading

    J. E. Kerwin / A. B. Zolotas | NTIS | 1975
    longitudinal and transverse clearance in order to determine an optimum location. The influence of propeller-rudder clearance on steady state propulsion ...

    The Design of a Propeller for a U.S. Coast Guard Icebreaker Tugboat

    R. D. Kader | NTIS | 1975
    The design process for an icebreaker tugboat propeller is presented and considerations involving cavitation, vibratory forces and propeller ...
    Publisher: David W Taylor Naval Ship Research and Development Center Bethesda Md Ship Performance Dept
    Keywords: Cavitation

    Propeller Design Studies for the Acoustic Research Ship C.F.A.V. QUEST

    L. J. Leggat / J. T. Ligtelijn / J. L. Kennedy | NTIS | 1981
    propeller performance and cavitation of modifying the shaft support from a bossing to an A-bracket is examined. ...
    Keywords: Propeller noise , Cavitation

    Feasibility Study of the Effectiveness of Tip Sails on Propeller Performance

    T. R. Goodman / J. P. Breslin | NTIS | 1980
    that for the bare propeller in any of the tests, and, in fact, sheet cavitation appeared on the sails at a far lower rotational speed than ...
    Keywords: Cavitation , Propeller blades

    Detailed Study of the Flowfield of a Submarine Propeller During a Crashback Maneuver

    D. H. Bridges | NTIS | 2004
    . Propeller 4381 was attached to a standard axisymmetric submarine hull model (DTMB Model 5495-3) which was then suspended in the LCC. Forces and ...