1–10 von 10 Ergebnissen
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    Performance optimization of marine propellers

    Freier Zugriff
    Chang-Sup Lee / Young-Dal Choi / Byoung-Kwon Ahn et al. | DOAJ | 2010
    Recently a Wide Chord Tip (WCT) propeller has been developed and applied to a commercial ship by STX Offshore & Shipbuilding. It is ...
    Schlagwörter: Marine propeller , Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    A numerical and experimental study on the drag of a cavitating underwater vehicle in cavitation tunnel

    Freier Zugriff
    Jung-Kyu Choi / Byoung-Kwon Ahn / Hyoung-Tae Kim | DOAJ | 2015
    For Super-Cavitating Underwater Vehicles (SCUV), the numerical analyses and experiments in a large cavitation tunnel are carried out at ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Experimental and numerical study on flow dynamics and universal characteristics of ventilated supercavities behind different cavitators

    Freier Zugriff
    So-Won Jeong / Van-Duyen Pham / Byoung-Kwon Ahn et al. | DOAJ | 2024
    experienced on the cavitator decreased linearly with an increase in the ventilation rate, and a consistent trend was observed for all test cavitator ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Experimental investigation of ventilated supercavitation behind cone-shaped with different angles and disk-shaped cavitators

    Freier Zugriff
    Van-Duyen Pham / Ji-Woo Hong / Ali Kareem Hilo et al. | DOAJ | 2022
    cavitators of different cone angles (45° cone, 90° cone, 135° cone, and 180° cone - disk cavitator) with the same diameter are applied in the ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Experimental investigation of combustion hot-gas ventilated supercavitation

    Freier Zugriff
    Van-Duyen Pham / Ji-Woo Hong / Byoung-Kwon Ahn | DOAJ | 2022
    at a cavitation tunnel using a methane-oxygen combustor designed and manufactured in-house. The results reveal that the high-temperature gas ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    An experimental investigation of artificial supercavitation generated by air injection behind disk-shaped cavitators

    Freier Zugriff
    Byoung-Kwon Ahn / So-Won Jeong / Ji-Hye Kim et al. | DOAJ | 2017
    using a high-speed camera. Cavitation parameters were evaluated in considering blockage effects of the tunnel, and gravitational effects on ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Numerical study of hot-gas ventilated supercavitating flow

    Freier Zugriff
    Van-Duyen Pham / Ji-Woo Hong / Ali Kareem Hilo et al. | DOAJ | 2022
    . The pressure inside the supercavity remains unchanged in the region close to the cavitator, and does not depend on the temperature variation ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Experimental and numerical studies on super-cavitating flow of axisymmetric cavitators

    Freier Zugriff
    Byoung-Kwon Ahn / Chang-Sup Lee / Hyoung-Tae Kim | DOAJ | 2010
    dramatic drag reduction. In this study we are focusing our attention on super-cavitating flows around axisymmetric cavitators. A numerical method ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Modelling cavitating flow around underwater missiles

    Freier Zugriff
    Fabien Petitpas / Richard Saurel / Byoung-Kwon Ahn et al. | DOAJ | 2011
    . Such systems use gas injection and natural cavitation to reduce drag effects. Consequently material interfaces appear separating liquid and gas ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Experimental investigation of supercavitating flows

    Freier Zugriff
    Byoung-Kwon Ahn / Tae-Kwon Lee / Hyoung-Tae Kim et al. | DOAJ | 2012
    When the object is traveling in the water at tremendously high speeds, the cavity forms and grows up at a fore part of the object called ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering