1–20 von 72 Ergebnissen
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    Examining engineering performance of midwater trawl with different horizontal spread ratio, floatage, and weight parameters: A case study of model net for Antarctic krill fisheries

    Freier Zugriff
    Bruno Thierry Nyatchouba Nsangue, PhD / Hao Tang / Achille Njomoue Pandong et al. | DOAJ | 2022
    area, swept area, and volume covered by trawl net. It was revealed that the engineering performance of the midwater trawl (minimal ratio ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Actor-Critic reinforcement learning for optimal design of piping support constraint combinations

    Freier Zugriff
    Jong-Ho Ham / Jung-Eun An / Hee-Sung Lee et al. | DOAJ | 2022
    the quality of the final design according to the experiences and capabilities of engineers. As a solution to this situation, this paper ...
    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
    characteristics include ventilation demand, pressure behavior, and deformation of the supercavity due to gravity under different flow conditions. Four ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Analysis of biaxial proportional low-cycle fatigue and biaxial accumulative plasticity of hull inclined-crack plate

    Freier Zugriff
    Junlin Deng / Wenling Tu / Kang Xiong et al. | DOAJ | 2022
    of accumulative plasticity and biaxial low-cycle fatigue damage. A biaxial low-cycle fatigue crack growth analysis of a hull structure that ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Evacuation analysis of a passenger ship with an inclined passage considering the coupled effect of trim and heel

    Freier Zugriff
    Jaemin Lee / Hyuncheol Kim / Soonjo Kwon | DOAJ | 2022
    factors, such as the inclination of the ship and the route status. In this study, the walking speed reduction coefficient that considers the ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Research on failure modes and ultimate strength behavior of typical sandwich composite joints for ship structures

    Freier Zugriff
    Geng Xu / Kai Qin / Renjun Yan et al. | DOAJ | 2022
    This paper presents an experimental and numerical investigation on failure behavior and ultimate strength of fiber-reinforced sandwich ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Identification of 4-DoF maneuvering mathematical models for a combatant in intact and damaged conditions

    Freier Zugriff
    Myungjun Jeon / Hyeon Kyu Yoon / Jongyeol Park et al. | DOAJ | 2022
    This article introduces the process of identifying the dynamics models of a combatant in intact and damaged condition based on the measured ...
    Schlagwörter: 4-Degrees of Freedom , Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Camber effect on the stability and power performance of a right-swing hydrofoil turbine

    Freier Zugriff
    Hai Nguyen Le Dang / Tuyen Quang Le / Dasom Jeong et al. | DOAJ | 2022
    stability and power efficiency. It is found from the analysis that the right-swing trajectory, which is close to the kinematics of flying or ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Data-driven model identification and predictive control for path-following of underactuated ships with unknown dynamics

    Freier Zugriff
    Le Wang / Shijie Li / Jialun Liu et al. | DOAJ | 2022
    validity of ship models is crucial in designing motion controllers and directly affects their performances. However, accurate models that could ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Development and verification of modeling practice for numerical estimation of wind loads on offshore floating structures

    Freier Zugriff
    Seong Mo Yeon / Erwan Auburtin / Zhirong Shen et al. | DOAJ | 2022
    gap around deckbox and columns. For the FPSO, the results were within 3% for forces and within 14% for moments. After considering model test ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Nonlinear URANS model for evaluating course keeping and turning capabilities of a vessel with propulsion system failure in waves

    Freier Zugriff
    Daejeong Kim / Soonseok Song / Tonio Sant et al. | DOAJ | 2022
    propulsive power has a notable effect on the behaviour of a ship during ship manoeuvring, and hence the manoeuvrability of ships suffering from ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Theoretical and experimental studies on the hydrodynamic damping of elastic rotating propeller blades

    Freier Zugriff
    Hongyang Chen / Xiandong Tong / Yong Chen et al. | DOAJ | 2022
    The hydrodynamic damping characteristics of elastic rotating propeller blades are investigated theoretically and experimentally. Firstly ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Vibration control of submerged floating tunnel in waves and earthquakes through tuned mass damper

    Freier Zugriff
    Chungkuk Jin / Sung-Jae Kim / MooHyun Kim | DOAJ | 2022
    and earthquakes. TMD is adopted to control resonant lateral motion. A time-domain dynamics simulation model that considers the elasticity of ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Wave action on a vertical wall with a submerged horizontal plate: Analysis of phase variation of forces and probability of exceedance

    Freier Zugriff
    Ahmad AlYousif / M.S. AlKhaldi / Faris Al-Amer et al. | DOAJ | 2022
    -exceedance value of the normalized horizontal wave force from 1.05 to 0.8 for a relative water depth of d/Lp = 0.1, where d is the water depth and Lp ...
    Schlagwörter: Phase lag between horizontal and vertical wave forces , Regular and random waves , Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Prediction of resistance and propulsion performances using calm-water and resistance tests in regular head waves of a 1,800 TEU container ship

    Freier Zugriff
    Jin-Won Yu / Seong-geun Kim / Wooyoung Jeong et al. | DOAJ | 2022
    This paper predicts resistance and propulsion performances in regular and irregular head waves of a 1800 TEU container ship. ‘Calm-water ...
    Schlagwörter: Added resistance and propulsion , Regular and irregular head waves , Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Creation of hierarchical structure for computerized ship block model based on interconnection relationship of structural members and shipyard environment

    Freier Zugriff
    Young-Bin Son / Jong-Ho Nam | DOAJ | 2022
    The hierarchical structure of computerized ship model blocks is important in facilitating the understanding of the internal structure and ...
    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
    Most of experimental and numerical studies on ventilated supercavitation have been focused on injection of room temperature air. However ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Experimental study on the combined effects of obstacles and local water mist on gas explosion for maritime safety

    Freier Zugriff
    Bin Zhang / Zhuoran Li / Yuanchen Xia et al. | DOAJ | 2022
    45 μm and 80 μm water mists exhibit the opposite effect under all the locally distributed positions of water spray nozzle without obstacles ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Prediction of supercavitation shapes for a wide range of Froude numbers

    Freier Zugriff
    Jong-Ju Yi / Min-Jae Kim / Seon-Hong Kim et al. | DOAJ | 2022
    potential theory suggested by Logvinovich (1973). Visualization experiments were carried out in a cavitation tunnel, and shapes of supercavitation ...
    Schlagwörter: Effect of froude number , Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    System-level modeling of marine power plant with PEMFC system and battery

    Freier Zugriff
    Kamyar Maleki Bagherabadi / Stian Skjong / Jogchum Bruinsma et al. | DOAJ | 2022
    ) and batteries. The primary objective is to develop a system-level fidelity model of the fuel cell-fed marine power systems with real-time ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering