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Long Jiang, Jianxi Yao and Zuyuan Liu
Manoeuvrability is one of the important ship hydrodynamic performances. That is closely related to the safety and economy of navigation. The development of a high-accuracy and high-efficiency numerical method to compute the forces and moments on manoeuvr...
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Jun Wei, Yong-Bai Sha, Xin-Yu Hu, Jin-Yan Yao and Yan-Li Chen
A trans-medium aircraft is a new concept aircraft that can both dive in the water and fly in the air. In this paper, a new type of water?air multi-medium span vehicle is designed based on the water entry and exit structure model of a multi-rotor UAV. Bas...
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Oscar E. Coronado-Hernández, Vicente S. Fuertes-Miquel and Fredy N. Angulo-Hernández
Recently, emptying processes have been studied in experimental facilities in pipelines, but there is a lack regarding applications in actual pipelines, which permits establishing the risk of collapse because of sub-atmospheric pressure occurrence. This r...
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Radhi Ariawan
Pág. 55 - 62
In water-air counter current flow, relative movement between water and air occurred. The results of this movement interfacial instability occurred in the flow, causing the liquid film moves up and down. In this study, film thickness characteristics of wa...
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Samuel Hartono,Deendarlianto Deendarlianto
Pág. 63 - 72
This research has been conducted study the effect of horizontal pipe length on flooding phenomenon. Observation of the flow phenomenon has used high speed camera. Working fluids for this study were water-air and the water flow was countercurrent to the a...
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Mhd Ghaith Burhani, Csaba Hos
Pág. 251 - 260
Pressure Relief Valves (PRVs) are key elements of any hydraulic system in the process industry, especially in chemical plants or hydraulic power transmission systems. Their task is to maintain the system pressure beneath a prescribed maximum pressure and...
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Francesco Bassi, Lorenzo Alessio Botti, Alessandro Colombo and Francesco Carlo Massa
Multi-component flow problems are typical of many technological and engineering applications. In this work, we propose an implicit high-order discontinuous Galerkin discretization of the variable density incompressible (VDI) flow model for the simulation...
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Maria Graça Neves, Eric Didier, Moisés Brito and María Clavero
This paper presents a study of run-up/overtopping over a smooth impermeable dike with promenade using 2D and 3D mesh-based and mesh-free numerical models and results from 2D physical modelling for strong energetic incident waves. These waves induce plung...
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Dan Zhang, Yuelei Yang, Min Pan and Zhen Gao
The worldwide population increase and subsequent surge in energy demand leads electricity producers to increase supply in an attempt to generate larger profit margins. However, with Global Climate Change becoming a greater focus in engineering, it is cri...
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Yuri Kuzmin and Stanislav Proshkin
Based on a rigorous solution to the problem, analytical expressions are obtained for calculating the diffraction of the electromagnetic field of a grounded cable on an elongated dielectric spheroid in a conductive layer. The field of a grounded AC cable ...
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Juan José Rebollo, David López, Luis Garrote, Tamara Ramos, Rubén Díaz and Ricardo Herrero
Energy dissipation structures play an important role in flood risk management. Many variables need to be considered for the design of these structures. Aeration has been one of the more studied phenomena over the last years, due to its influence in the p...
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J. Moreno, N. de Hart, M. Saakes, K. Nijmeijer
Pág. 23 - 31
When natural feed waters are used in the operation of a reverse electrodialysis (RED) stack, severe fouling on the ion exchange membranes and spacers occurs. Fouling of the RED stack has a strong influence on the gross power density output; which can dec...
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