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Antonino Cirello, Tommaso Ingrassia, Antonio Mancuso, Vincenzo Nigrelli and Davide Tumino
The process of designing a sail can be a challenging task because of the difficulties in predicting the real aerodynamic performance. This is especially true in the case of downwind sails, where the evaluation of the real shapes and aerodynamic forces ca...
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Manfred Kerner and Patrik Johansson
Promising electrochemical and dynamical properties, as well as high thermal stability, have been the driving forces behind application of ionic liquids (ILs) and polymerized ionic liquids (PILs) as electrolytes for high-temperature lithium-ion batteries ...
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Christian Lehr, Pascal Munsch, Romuald Skoda and Andreas Brümmer
The acoustic properties of a single-stage centrifugal pump with low specific speed are investigated by means of compressible 3D CFD simulations (URANS) and experiments. In order to determine the pump?s acoustic transmission and excitation characteristics...
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Manigandan Paneer, Josip Ba?ic, Damir Sedlar, ?eljan Lozina, Nastia Degiuli and Chong Peng
This study investigates the impact of fluid loads on the elastic deformation and dynamic response of linear structures. A weakly coupled modal solver is presented, which involves the solution of a dynamic equation of motion with external loads. The mode ...
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Josip Ba?ic, Nastia Degiuli and ?ime Malenica
Natural vibrations of a segmented and a monohull barge are analysed to compare influences of hydrodynamic damping on the dynamic responses of two different models. The influence of water flow around and between barge segments on hydrodynamic damping was ...
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Hongzhen Zhu and Jianghai Wu
Pipelines are designed to carry seawater with hydrostatic pressure below sea level in the ship industry. Previously conducted studies have established the FSI (Fluid?Structure Interaction) equations for thin-walled, fluid-filled pipelines based on the Ti...
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Lingxiao Quan, Jing Gao, Changhong Guo and Chen Fu
The hydraulic pipeline vibration noise is one of the main noise sources in submarine stealth conditions. Taking the local hydraulic system of a certain type of submarine as the research object, a model is first developed to simulate water hammer pressure...
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Dimitris Ntouras, George Papadakis and Kostas Belibassakis
Flapping foils for augmenting thrust production have drawn attention as a means of assisting ship propulsion in waves due to their high efficiency rate compared to traditional screw propellers. However, they can also offer substantial resistance reductio...
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Stefan Nilsson, Hua-Dong Yao, Anders Karlsson and Sebastian Arvidson
The effects of elastic cavity walls on noise generation at transonic speed are investigated for the generic M219 cavity. The flow is simulated with the Spalart?Allmaras (SA) improved delayed detached-eddy simulation (IDDES) turbulence model in combinatio...
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Mohamed Elfaki, Mohammad Shakir Nasif and Masdi Muhammad
Slug multiphase flow is known to be the most prevalent regime because of its extensive encounters associated with chaotic behaviour, complexity and instability that cause significant fluctuations in operating conditions and thus lead to undesirable effec...
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Farid Piran, Hassan Karampour and Peter Woodfield
Vortex-induced vibrations (VIV) of hexagonal cylinders at Reynolds number of 1000 and mass ratio of 2 are studied numerically. In the numerical model, the Navier?Stokes equations are solved using finite volume method, and the fluid-structure interaction ...
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T R Jebieshia, Senthil Kumar Raman and Heuy Dong Kim
The present study focuses on the aerodynamic performance and structural analysis of the centrifugal compressor impeller. The performance characteristics of the impeller are analyzed with and without splitter blades by varying the total number of main and...
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Riccardo Panciroli, Tiziano Pagliaroli and Giangiacomo Minak
Elastic bodies entering water might experience fluid–structure interaction phenomena introduced by the mutual interaction between structural deformation and fluid motion. Cavity formation, often misleadingly named cavitation, is one of these. This ...
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Riccardo Panciroli, Tiziano Pagliaroli and Giangiacomo Minak
Elastic bodies entering water might experience fluid–structure interaction phenomena introduced by the mutual interaction between structural deformation and fluid motion. Cavity formation, often misleadingly named cavitation, is one of these. This ...
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Hussin Abdullah,Jauhari Dahalan,Khaw Lee Hwei,Mohammed Umar,Md Mohan Uddin
Pág. 227 - 235
The study further investigates the link between the constructed financial stress index (FSI) and overall economic activity. We approximate the co-movement of the identified financial and economic factors into a single index using the principal component ...
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Julie Piquee and Christian Breitsamter
This work presents numerical and experimental investigations of an elasto-flexible membrane wing at a Reynolds number of 280,000. Such a concept has the capacity to adapt itself to the incoming flow offering a wider range of the flight envelope. This ada...
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Julie Piquee and Christian Breitsamter
This work presents numerical and experimental investigations of an elasto-flexible membrane wing at a Reynolds number of 280,000. Such a concept has the capacity to adapt itself to the incoming flow offering a wider range of the flight envelope. This ada...
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Donghan Woo and Jung Kwan Seo
Fire accidents on ships and offshore structures lead to complex non-linear material and geometric behavior, which can cause structural collapse. This not only results in significant casualties, but also environmental catastrophes such as oil spills. Thus...
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Elaine Vivian Oliva,Carlos Bruno Reissmann,Renato Marques,Jonas Eduardo Bianchin,Cilmar Antônio Dalmaso,Etienne Winagraski
Pág. 1088 - 1103
Este trabalho teve como objetivo caracterizar a composição florística e a estrutura da comunidade arbórea de áreas em processo de recuperação ambiental no município de Bocaiúva do Sul-PR. A produção e divulgação de dados e informações sobre a florística ...
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Mobin Masoomi and Amir Mosavi
This paper aims to assess a new fluid?structure interaction (FSI) coupling approach for the vp1304 propeller to predict pressure and stress distributions with a low-cost and high-precision approach with the ability of repeatability for the number of diff...
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