1–20 von 1,122 Ergebnissen
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    Wing body junctions in ship hydrodynamics

    Freier Zugriff
    Costel Ungureanu / Costel Iulian Mocanu | DOAJ | 2019
    hydrodynamic, structural, technological and operational. The hydrodynamic measures, which are the first that can be taken into consideration in order ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Wind propulsion of ships to decarbonize maritime transport

    Freier Zugriff
    Aurel Dan Maimon | DOAJ | 2023
    Flettner rottor, rigid panels made of composite materials, sails and in particular the kite, innovative in this field. Studies show that 3700 to ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Whipping-based criterion for the identification of slamming events

    Freier Zugriff
    Daniele Dessi | DOAJ | 2014
    ABSTRACT: In this paper, a new criterion for the identification of slamming events is formulated. This criterion is based on the analysis ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Whipping-based criterion for the identification of slamming events

    Freier Zugriff
    Dessi Daniele | DOAJ | 2014
    In this paper, a new criterion for the identification of slamming events is formulated. This criterion is based on the analysis of the high ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Whale optimized routing path selection and 128 bit secured key management for maritime safety

    Freier Zugriff
    Arumugam Maharajan / Parasuraman Kumar | DOAJ | 2024
    The critical aspect in advancing global trade lies in ensuring security across marine trading systems. This research significantly ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Welding deformation analysis based on improved equivalent strain method to cover external constraint during cooling stage

    Freier Zugriff
    Tae-Jun Kim / Beom-Seon Jang / Sung-Wook Kang | DOAJ | 2015
    work piece and bending stress forms in the transverse direction. The additional bending stress distribution across the plate thickness was ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Welding deformation analysis based on improved equivalent strain method considering the effect of temperature gradients

    Freier Zugriff
    Tae-Jun Kim / Beom-Seon Jang / Sung-Wook Kang | DOAJ | 2015
    In the present study, the existing equivalent stain method is improved to make up for its weaknesses. The improved inherent strain model is ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Weight reduction and strengthening of marine hatch covers by using composite materials

    Freier Zugriff
    Basem E. Tawfik / Heba Leheta / Ahmed Elhewy et al. | DOAJ | 2017
    using ANSYS software. Critical design parameters of the composite hatch cover and FEA are discussed in details. Regarding the weight reduction ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Weather optimal area-keeping control for underactuated autonomous surface vehicle with input time-delay

    Freier Zugriff
    Shasha Wang / Yulong Tuo / Dan Wang | DOAJ | 2022
    disturbances and input time-delay, an integral time-delay sliding mode control algorithm based on weather optimal intermittent strategy is proposed in ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Wave power extraction by multiple wave energy converters arrayed in a water channel resonator

    Freier Zugriff
    Jeongrok Kim / Il-Hyoung Cho | DOAJ | 2021
    amplified. To estimate the wave power by multiple WECs placed at the antinodal points in a WCR, the heave motion response, time-averaged power, and ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Wave height measurement scheme using wave detector based on convolutional neural network and PPM calculator with ocean wave images

    Freier Zugriff
    Il-Kyu Hwang / Minkyu Lee / Junsub Han et al. | DOAJ | 2023
    Neural Networks that takes two-dimensional ocean images as input, and a PPM Calculator that measures the size of an object in the image. The ...
    Schlagwörter: Ocean wave image , Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Wave energy conversion utilizing vertical motion of water in the array of water chambers aligned in the direction of wave propagation

    Freier Zugriff
    Kesayoshi Hadano / Ki Yeol Lee / Byung Young Moon | DOAJ | 2017
    following conditions: (1) setting up of the relevant device and its application to wave power generation in case that severe wave loading is avoided ...
    Schlagwörter: Phase shift in water's up/down motion , Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Wave attenuation by inclined porous plates using dual boundary element method

    Freier Zugriff
    Hyunju Han / Il-Hyoung Cho | DOAJ | 2023
    design parameters such as porosities, inclined angles, plate arrangements, and wave characteristics. The dual inclined porous plates arranged in ...
    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
    In this study, experiments on the wave forces and moments acting on a Vertical Wall (VW) and a VW attached to a horizontal plate (VWHP ...
    Schlagwörter: Phase lag between horizontal and vertical wave forces , Regular and random waves , Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Wake dynamics of a 3D curved cylinder in oblique flows

    Freier Zugriff
    Soonhyun Lee / Kwang-Jun Paik / Narakorn Srinil | DOAJ | 2020
    number of 500, vortex dislocation was detected at 90° and 135°. These observations are in good agreement with the three-dimensionality of the ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Vortex-induced vibration characteristics of multi-mode and spanwise waveform about flexible pipe subject to shear flow

    Freier Zugriff
    Jian Bao / Zheng-Shou Chen | DOAJ | 2021
    competent in predicting the VIV response. Then, the VIV characteristics related to multi-mode and spanwise hybrid waveform about the flexible pipe ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Visualizing test on the pass-through and collision characteristics of coarse particles in a double blade pump

    Freier Zugriff
    Minggao Tan / Yichao Lian / Houlin Liu et al. | DOAJ | 2018
    As the key equipment in deep ocean mining, the slurry pump suffers from wear and blocking problems. In this paper, high-speed photography ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Virtual simulation of maneuvering captive tests for a surface vessel

    Freier Zugriff
    Ahmad Hajivand / S. Hossein Mousavizadegan | DOAJ | 2015
    Hydrodynamic derivatives or coefficients are required to predict the maneuvering characteristics of a marine vehicle. These derivatives are ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Virtual maneuvering test in CFD media in presence of free surface

    Freier Zugriff
    Ahmad Hajivand / S. Hossein Mousavizadegan | DOAJ | 2015
    Maneuvering oblique towing test is simulated in a Computational Fluid Dynamic (CFD) environment to obtain the linear and nonlinear velocity ...
    Schlagwörter: Ocean engineering , Naval architecture. Shipbuilding. Marine engineering

    Virtual laboratory for marine structures

    Freier Zugriff
    Gabriel Popescu | DOAJ | 2015
    visualization in virtual systems. The software programs used are Aveva Marine for Ship Structures 3D designs and Navisworks for their visualization . ...
    Schlagwörter: virtual laboratory, marine structures, Aveva Marine, Navisworks, statistical analysis. , Ocean engineering , Naval architecture. Shipbuilding. Marine engineering