Results 1 to 10 of about 17,053 (143)
NUMERICAL STUDY ON PROPULSIVE FACTORS IN REGULAR HEAD AND OBLIQUE WAVES
Brodogradnja, 2022 This paper applies Reynolds-averaged Navier-Stokes (RANS) method to study propulsion performance in head and oblique waves. Finite volume method (FVM) is employed to discretize the governing equations and SST k-ω model is used for modeling the turbulent ...
Kun Dai +5 more
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Full-Scale CFD Analysis of Double-M Craft Seakeeping Performance in Regular Head Waves [PDF]
Journal of Marine Science and Engineering, 2021 This study presents the full-scale resistance and seakeeping performance of an awarded Double-M craft designed as a 15 m next-generation Emergency Response and Rescue Vessel (ERRV).
Deniz Ozturk +4 more
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Numerical Prediction of the Vertical Responses of Planing Hulls in Regular Head Waves [PDF]
Journal of Marine Science and Engineering, 2020 The evaluation of the hydrodynamic performance of planing vessels has always been one of the most attractive study fields in the maritime agenda. Resistance and self-propulsion studies have been performed using experimental and numerical methods by ...
Emre Kahramanoğlu +2 more
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Thrust Enhancement of DTMB 5415 with Elastic Flapping Foil in Regular Head Waves
Journal of Marine Science and Engineering, 2023 Recent studies indicate that bow foil biomimetic systems can significantly improve ship propulsion in waves. In this paper, the DTMB 5415 ship model is taken as the object and a semi-active elastic flapping foil is proposed to install at its bow ...
Lei Mei +3 more
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Hydrodynamic Analysis of Different Formation Configurations of Catamaran in Regular Head Waves
Journal of Marine Science and EngineeringWhen undertaking long-distance missions at sea, vessels aim to achieve an extended operational range through drag reduction and energy efficiency, while enhanced wave resilience also provides substantial benefits. In this work, the Delft-372 catamaran is
Zhifan Zhang +6 more
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NUMERICAL SIMULATIONS OF ADDED RESISTANCE IN REGULAR HEAD WAVES ON A CONTAINER SHIP
Brodogradnja, 2019 Although shipping was not included in the final text of the Paris Agreement in 2015, IMO (International Maritime Organization) adopted the EEDI (Energy Efficiency Design Index) and the EEOI (Energy Efficiency Operational Indicator) to control climate ...
Young-Gill Lee +5 more
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Effects of diffraction in regular head waves on added resistance and wake using CFD
International Journal of Naval Architecture and Ocean Engineering, 2019 This paper employs computational tools to investigate the diffraction effects in regular head waves on the added resistance and wake on the propeller plane. The objective ships are a 66,000 DWT bulk carrier and a 3,600 TEU container ship.
Cheol-Min Lee +4 more
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Journal of Marine Science and Engineering, 2023 Reducing the added resistance in waves has become a crucial aspect of today’s ship design. The added resistance in waves is traditionally considered proportional to the square of wave height.
Ana-Maria Chirosca +5 more
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International Journal of Naval Architecture and Ocean Engineering, 2021 This paper predicts the speed-power-rpm relationship in regular head waves using various indirect methods: load variation, direct powering, resistance and thrust identity, torque and revolution, thrust and revolution, and Taylor expansion methods.
Jin-Won Yu +5 more
doaj +1 more source
International Journal of Naval Architecture and Ocean Engineering, 2022 This paper predicts resistance and propulsion performances in regular and irregular head waves of a 1800 TEU container ship. ‘Calm-water tests’ and ‘resistance test in regular waves’ have been performed. Methods applied are the LVM-W and the revised ITTC-
Jin-Won Yu +5 more
doaj +1 more source