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Christoph Sinn, Jonas Wentrup, Jorg Thöming and Georg R. Pesch
Structured open-cell foam reactors are promising for managing highly exothermic reactions such as CO2 methanation due to their excellent heat transport properties. Especially at low flow rates and under dynamic operation, foam-based reactors can be advan...
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Lei Zhang, Jin Mu, Hongtu Ma, Guicheng Dai and Shengxi Tong
General aviation is an important branch of the aviation field. As a green energy aircraft, the electric aircraft is an important component and development direction of general aviation aircraft, and its safety is crucial. In this paper, the aerodynamic a...
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Camilo Gustavo Araújo Alves, José Tadeu C. Junior, Francisco Bernardino Da Silva Neto, Gustavo R. Anjos, Moisés Dantas Dos Santos and Gustavo Peixoto de Oliveira
Infection containment in the post-pandemic scenario became a top priority for healthcare engineering control staffers, especially in pneumology sectors, where the treatment of airborne infectious diseases is frequent. In Brazil, where COVID-19 left a lon...
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Hoi-Yi Tong, Tsung-Yueh Lin and Shiu-Wu Chau
This study predicted the motion response and power performance of a floating wind turbine system equipped with a semisubmersible Taida platform, an IEA 15 MW wind turbine, and a 3 × 2 mooring design in the Hsinchu offshore area in the Taiwan Strait. The ...
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Yu Zhang and Dongqin Li
A novel float-type device for wave energy power generation, designed specifically for offshore wave environments, is introduced as an innovative technology in wave energy utilization. Herein, we present the design concept, structural composition, and ene...
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Tunbiao Wu, Ronghui Li, Qinglong Chen, Guiyuan Pi, Shijie Wan and Qiao Liu
A methodology of mathematical testing is proposed for a ship with twin azimuth thrusters based on numerical calculations. An unmanned surface vessel (USV) powered by two azimuth thrusters is considered, which is a model-scale configuration. The Ship Mane...
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Jin-Gu Kang, Moon-Chan Kim and Yong-Jin Shin
This study is a parametric investigation of the application of a compact type of pre-swirl duct for a slender aft-body 158k crude oil carrier. The International Maritime Organization (IMO) has created the Energy Efficiency Design Index (EEDI), which is a...
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Hua-Wei Sun, Jing-Lei Yang, Bo Liu, Hong-Wei Li, Jia-Feng Xiao and Han-Bing Sun
A mathematical model for predicting the maneuvering motion of a ship is constructed, using a planing craft with dual waterjet propulsion as the object of study. This model is based on the standard approach of the MMG (Maneuvering Modeling Group) and uses...
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Xiangheng Feng, Yonggang Lin, Guohao Zhang, Danyang Li, Hongwei Liu and Bin Wang
Platform motions induced by waves pose a challenge to accurately predict the aerodynamic performance of floating offshore wind turbines (FOWTs). In view of this, the power performance and wake structure of FOWTs under platform pitch, surge, and their com...
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Hansheng Li, Fenglei Han, Haitao Zhu, Jiawei Zhang, Weipeng Zhang and Yuliang Wu
Diver propulsion vehicles (hereinafter referred to as DPV) are a kind of small vehicle with underwater high-speed used by divers, who are able to grasp or ride on, and operate the volume switch to change the speed. Different from unmanned underwater vehi...
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Kaidong Tao, Xueqian Zhou and Huiolong Ren
In order to achieve stable and accurate sloshing simulations with complex geometries using Smoothed Particle Hydrodynamic (SPH) method, a novel improved coupled dynamic solid boundary treatment (SBT) is proposed in this study. Comparing with the previous...
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Miles P. Wheeler, Konstantin I. Matveev and Tao Xing
Hard-chine boats are usually intended for high-speed regimes where they operate in the planing mode. These boats are often designed to be relatively light, but there are special applications that may occasionally require fast boats to be heavily loaded. ...
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Roberto Algarín and Antonio Bula
Planing boat dynamics are a complex phenomenon and the maneuver forces acting on these kind of hulls are difficult to predict. In the current work, a mathematical model of a two-dimensional impact with three degrees of freedom (3DOF) is developed. The mo...
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Luca Savio, Lucia Sileo and Sigmund Kyrre Ås
Results of the fluid-structure co-simulations that were carried out as part of the FleksProp project are presented. The FleksProp project aims to establish better design procedures that take into account the hydroelastic behavior of marine propellers and...
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Samaneh Rouina, Silvia Ravelli and Giovanna Barigozzi
The present paper reports the results of an experimental and computational investigation of flat plate film cooling jets discharged from three fan-shaped holes. Measurements have been carried out at near unity density ratio in a low-speed wind tunnel, at...
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Wencai Zhu and Hongtao Gao
The generation of tip vortex cavitation (TVC) is a common phenomenon in marine propellers. Therefore, it is important to find a way for the effective suppression of TVC. Based on the enlightenment of bionics, a propeller with winglets was numerically inv...
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XinLong Zhang, Zhuang Lin, Simone Mancini, Ping Li, Ze Li and Fei Liu
A detailed description of the flooding process is crucial to analyze the complex hydrodynamic behaviors and enhance the survivability of the damaged ship. In this paper, through establishing three typical damage scenarios with various locations, the comm...
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Jinglei Yang, Zhuang Lin, Zeyang Gao and Ping Li
In this paper, the motion of partial air cushion support catamaran (PACSCAT) sailing in regular waves was firstly investigated by the experimental method. The monitored histories of heave, pitch, midship acceleration, and air cushion pressure in towing t...
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Muyu Zhao, Ying Chen and Jin Jiang
The study of hydrodynamic characteristics of floating double-rotor horizontal axis tidal current turbines (FDHATTs) is of great significance for the development of tidal current energy. In this paper, the effect of roll motion on a FDHATT is investigated...
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Shamsan Alsubal, Mohd S. Liew and Lim Eu Shawn
Floating offshore wind turbine foundations are based on platforms operated by the oil and gas industry. However, they are designed and optimized to meet the wind turbines? operating criteria. Although Malaysia is considered a low-wind-speed country, ther...
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