Results 61 to 70 of about 114,389,400 (308)
CFD verification and validation of added resistance in oblique waves
, 2020 Today, almost all ship hulls are optimized to sail in calm water. In a realistic seagoing condition, the ship will be exposed to added resistance caused by the waves, which will influence the ships performance and fuel consumption.
Mikkelsen, Henrik +2 more
core
Advanced Engineering Materials, EarlyView.This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal +2 more
wiley +1 more source
Data-driven modeling and regression analysis on ship resistance of in-service performance
International Journal of Naval Architecture and Ocean EngineeringThis study employs operational data to model ship resistance, aiming to bridge the gap between controlled experiments and real-world conditions. It comprehensively analyzes wind, waves, and currents, employing nonlinear regression and z-score filtering ...
Daehyuk Kim, Shin Hyung Rhee
doaj +1 more source
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
doaj +1 more source
Advanced Engineering Materials, EarlyView.Low‐temperature imidization of PEG‐modified polyimide enables fully screen‐printed, roll‐to‐roll fabrication of flexible electrodes on PET substrates, delivering robust mechanical durability and reliable ECG/EMG signal performance for wearable electronics.
Akib Abdullah Khan, Jong‐Hoon Kim
wiley +1 more source
Analysis of Instantaneous Ship Resistance-Increase in Waves with CFD URANS
Polish Maritime ResearchTo comply with the requirements set out by the International Maritime Organization (IMO) for reducing greenhouse gas (GHG) emissions, recent efforts have focused on investigating the parameters that affect the increase in ship resistance, with the aim of
Zeraatgar Hamid +2 more
doaj +1 more source
Advanced Engineering Materials, EarlyView.A simplified thermoplastic pultrusion model is developed to predict thermal fields in glass fiber/polyethylene terephthalate (GF/PET) composites with reduced computational cost. By combining effective material homogenization, validation against literature data, and Gaussian‐process‐based optimization, the study reveals how heating limits, pulling speed,
Elder Soares +3 more
wiley +1 more source
Added Resistance in Oblique Waves on a Container Ship Using CFD
, 2022 The importance of CFD is increasing in marine hydrodynamics in studying seakeeping and added resistance of ships. While extensive numerical studies have been reported for various ships in head seas in the literature, much fewer CFD studies are found for ...
Walther, J. H., Mikkelsen, H., Shao, Y.
core
A Boundary Element Method for Motions and Added Resistance of Ships in Waves
, 2014 The accurate prediction of ship’s resistance in waves is nowadays of increased importance, since it greatly influences the ship’s performance regarding sustainable service speed and fuel consumption in seaways.
BEGOVIC E. +4 more
core +1 more source
Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying
Advanced Engineering Materials, EarlyView.An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara +8 more
wiley +1 more source