1–20 of 75 hits
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    Test and estimation of ballistic armor performance for recent naval ship structural materials

    Free access
    Yun-ho Shin / Jung-hoon Chung / Jong-Hwan Kim | DOAJ | 2018
    calculate a correction factor (α) and then estimate the armor thickness of naval ship hull structure materials with a given impact velocity. Through ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Dominant components of vibrational energy flow in stiffened panels analysed by the structural intensity technique

    Free access
    Dae-Seung Cho / Tae-Muk Choi / Jin-Hyeong Kim et al. | DOAJ | 2018
    Stiffened panels are widely used in naval architecture and ocean engineering, and knowledge about their dynamic behaviour represents ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Numerical modeling and simulation technique in time-domain for multibeam echo sounder

    Free access
    Donghwan Jung / Jeasoo Kim / Gihoon Byun | DOAJ | 2018
    technique for MBES development. The Modeling and Simulation (M&S) modules consist of four parts: sensor array signal transmission, propagation and ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Marine gas turbine monitoring and diagnostics by simulation and pattern recognition

    Free access
    Ugo Campora / Carlo Cravero / Raphael Zaccone | DOAJ | 2018
    , to ensure non-stop availability and safety, mainly based on machine learning and pattern recognition methods, which need large databases of ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    A study on accumulated damage of steel wedges with dead-rise 10° due to slamming loads

    Free access
    Byoungcheon Seo / Dac Dung Truong / Sangrai Cho et al. | DOAJ | 2018
    This paper presents the results of experimental investigation on the elastic–plastic response of steel unstiffened wedges with dead-rise 10 ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    A study on the development of the OMS/MP based on the Fundamentals of Systems Engineering

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    Yeonhwan Jeong | DOAJ | 2018
    are investigated. And these limitations can be resolved by the Fundamentals of Systems Engineering. Finally, the OMS/MP framework based on the ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    A numerical study on the correlation between the evolution of propeller trailing vortex wake and skew of propellers

    Free access
    Lian-Zhou Wang / Chun-Yu Guo / Yu-Min Su et al. | DOAJ | 2018
    The characteristics of the relationship between the evolution of propeller trailing vortex wake and skew angle are numerically examined ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Design, test and numerical simulation of a low-speed horizontal axis hydrokinetic turbine

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    Wenlong Tian / Zhaoyong Mao / Hao Ding | DOAJ | 2018
    . The turbine is expected to work in most of China's sea areas where the ocean current velocity is low and to supply electricity for remote ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Three-dimensional dynamics of vortex-induced vibration of a pipe with internal flow in the subcritical and supercritical regimes

    Free access
    Jinlong Duan / Ke Chen / Yunxiang You et al. | DOAJ | 2018
    different internal flow velocity v. The values of the internal flow velocity are considered in both subcritical and supercritical regimes. During ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Hydrofoil optimization of underwater glider using Free-Form Deformation and surrogate-based optimization

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    Xinjing Wang / Baowei Song / Peng Wang et al. | DOAJ | 2018
    . This study optimizes the shape of a hydrofoil using Free-Form Deformation (FFD) parametric approach and Surrogate-based Optimization (SBO ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Response of low-temperature steel beams subjected to single and repeated lateral impacts

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    Dac Dung Truong / Hae-Jung Jung / Hyun Kyoung Shin et al. | DOAJ | 2018
    This paper presents the experimental and numerical investigation results of the response of low-temperature steel (LT-FH32 grade steel ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    A large scale simulation of floe-ice fractures and validation against full-scale scenario

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    Wenjun Lu / Hans-Martin Heyn / Raed Lubbad et al. | DOAJ | 2018
    global splitting failure depending on the contact properties, geometry and confinement of the ice floe. Modelling these different fracture ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Development of partial liquefaction system for liquefied natural gas carrier application using exergy analysis

    Free access
    Jungho Choi | DOAJ | 2018
    The cargo handling system, which is composed of a fuel gas supply unit and cargo tank pressure control unit, is the second largest power ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Dynamic modeling and three-dimensional motion simulation of a disk type underwater glider

    Free access
    Pengyao Yu / Tianlin Wang / Han Zhou et al. | DOAJ | 2018
    Disk type underwater gliders are a new type of underwater gliders and they could glide in various directions by adjusting the internal ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Experimental investigation of slamming impact acted on flat bottom bodies and cumulative damage

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    Hyunkyoung Shin / Byoungcheon Seo / Sang-Rai Cho | DOAJ | 2018
    in rough waves. The effects of elasticity & plasticity on such slamming loads are investigated through wet free drop test results of several ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Numerical investigation of a novel device for bubble generation to reduce ship drag

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    Jun Zhang / Shuo Yang / Jing Liu | DOAJ | 2018
    to the wetted area of the hull and moving speed of ship. This resistance can be reduced through air bubble lubrication to the hull. The ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Numerical simulation for a passing ship and a moored barge alongside quay

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    B.W. Nam / J.Y. Park | DOAJ | 2018
    algorithm. To validate the developed numerical method, a conventional ship wave problem and a passing ship problem on the open sea has been solved ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    The sensitivity of ship resistance to wall-adjacent grids and near-wall treatments

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    Dong Woo Park / Sang Bong Lee | DOAJ | 2018
    and disclose the influence of near-wall treatment on the sensitivity of ship resistance. The resistance coefficients of viscous and pressure ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    A study of hydroelastic behavior of hinged VLFS

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    Yonggang Sun / Da Lu / Jin Xu et al. | DOAJ | 2018
    the coupled effects of wave dynamics and structural deformation. The continuous condition at the connection position between two adjacent ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Numerical investigations of tip clearance flow characteristics of a pumpjet propulsor

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    Lin Lu / Yuefei Gao / Qiang Li et al. | DOAJ | 2018
    is employed. The structured gird is applied. The formation and development of the tip clearance flows has been investigated and presented ...
    Keywords: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering