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Te Song, Xin Liu and Feng Xu
In this paper, the entire process of the flow around a fixed square cylinder and the moving surface boundary-layer control (MSBC) at a low Reynolds number was numerically simulated. Two small rotating circular cylinders were located in each of the two re...
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Youssef Admi,Salaheddine Channouf,El Bachir Lahmer,Mohammed Amine Moussaoui,Mohammed Jami,Ahmed Mezrhab | Language: EN | DOI: 10.14710/ijred.2022.43619
Pág. 902 - 915
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Xiaofan Lou, Chenlin Sun, Hongyi Jiang, Hongjun Zhu, Hongwei An and Tongming Zhou
The effects of yaw angle on wake characteristics of a stationary square cylinder were investigated in terms of the hydrodynamic forces, the vortex shedding frequency, and the vortical structures using direct numerical simulations (DNS) at a Reynolds numb...
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Guler Bengusu Tezel, Kerim Yapici, Yusuf Uludag
Pág. 190 - 199
The confined flow of a Newtonian fluid around a square cylinder mounted in a rectangular channel was investigated both numerically and experimentally. Ratio between the pipe and channel height, the blockage ratio, is kept constant at 1/4. The flow variab...
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Guler Bengusu Tezel, Kerim Yapici, Yusuf Uludag
Pág. 246 - 257
This study focuses on the computational implementation of structured non-uniform finite volume method for the 2-D laminar flow of viscoelastic fluid past a square section of cylinder in a confined channel with a blockage ratio 1/4 for Re = 10-4, 5, 10 an...
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Matthieu Boudreau, Guy Dumas and Jean-Christophe Veilleux
A detailed numerical investigation of the flow behind a square cylinder at a Reynolds number of 21,400 is conducted to assess the ability of the delayed detached-eddy simulation (DDES) modeling approach to accurately predict the velocity recovery in the ...
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Matthieu Boudreau, Guy Dumas and Jean-Christophe Veilleux
A detailed numerical investigation of the flow behind a square cylinder at a Reynolds number of 21,400 is conducted to assess the ability of the delayed detached-eddy simulation (DDES) modeling approach to accurately predict the velocity recovery in the ...
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Zhipeng Zang, Zhuo Fang, Kuan Qiao, Limeng Zhao and Tongming Zhou
A three-dimensional numerical model was established based on ANSYS-AQWA (R19.0) software for the purpose of analyzing the hydrodynamic characteristics of a floating breakwater. This study examines three distinct floating breakwaters with different cross-...
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Wenchao Wang, Hongwang Du, Wei Xiong and Yong Nie
Component parameters directly affect the dynamic characteristics of suspension systems in small rescue craft. To study and improve the vibration reduction performance of a new suspension system, sensitivity analysis and genetic algorithm (GA) optimizatio...
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Nanxiang Guan, Ao Wang, Yongpeng Gu, Zhifeng Xie and Ming Zhou
Vibration is an important issue faced by reciprocating piston engines, and is caused by reciprocating inertia forces of the piston set. To reduce the vibration without changing the main structure and size of the original engine, we proposed a novel coaxi...
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Konrad Johan Jensen, Morten Kjeld Ebbesen and Michael Rygaard Hansen
This paper presents the design, simulation and experimental verification of adaptive feedforward motion control for a hydraulic differential cylinder. The proposed solution is implemented on a hydraulic loader crane. Based on common adaptation methods, a...
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Ying Sun, Lin Lv, Peng Lee and Yunkai Cai
In-cylinder pressure is one of the most important references in the process of diesel engine performance optimization. In order to acquire effective in-cylinder pressure value, many physical tests are required. The cost of physical testing is high; vario...
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Zheng Han, Zhihui Li, Zhiyong Bai, Xuguo Li and Jiazhong Zhang
There has been a concern that the accurate numerical simulation of multi-body flow, which is caused by the multiple disintegrations of expired spacecraft re-entering into the near space, has a critical bottleneck impact on the falling area of the disinte...
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Feng Deng, Xiaoyuan Sun, Fenghua Chi and Ruixue Ji
In recent years, more attention has been paid to vehicles that can travel between air and water, known as trans-media vehicles. They are often designed as cylindrical bodies in order to reduce the impact load during water entry. In this paper, the water-...
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Giacomo Rismondo, Marta Cianferra and Vincenzo Armenio
The present paper contains the results of the numerical analysis of the interaction between a Newtonian incompressible turbulent flow and a linear elastic slender body, together with the influence of the fluid?structure interaction (FSI) on the noise gen...
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Olexandr Shtanko,Maryna Litvinova,Artem Andrieiev,Mariia Andrieieva,Petro Savchuk
Pág. 35 - 42
Recuperation systems that utilize the energy of exhaust gases from existing diesel engines are designed for large and medium-sized vessels. There is a need to develop an appropriate system to recover the energy of exhaust gases for small-sized vessels.We...
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Kenneth Olofsson and Johan Holmgren
A method for automatic stem detection and stem profile estimation based on terrestrial laser scanning (TLS) was validated. The root-mean-square error was approximately 1 cm for stem diameter estimations. The method contains a new way of extracting the fl...
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Gian C. Bremm, Nils Goseberg, Torsten Schlurmann and Ioan Nistor
In the context of dam breaks, tsunami, and flash floods, it is paramount to quantify the time-history of forces by the rapidly transient flow to vertical structures and the characteristics of the induced flow patterns. To resemble on-land tsunami-induced...
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Majid A Bhinder and Jimmy Murphy
Viscous drag, nonlinear in nature, is an important aspect of the fluid?structure interaction modelling and is usually not taken into account when the fluid is assumed to be inviscid. Potential flow solvers can competently compute radiation damping, which...
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