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Shouyuan Zhang, Xin Wang and Haitao Ma
With the widespread use of sector gates in tidal river locks, there is a growing interest in the operating force during the gate operation. This study investigates the characteristics of operating forces in a sector gate hydraulic cylinder system using p...
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Peter Kalavsky, Robert Rozenberg, Alica Tobisova and Matej Antosko
This article evaluated the functionality and reliability of the personal airborne equipment backpack TL-98 before its launch in military parachute operations. An objective of this project was the verification of the TL-98?s characteristics which could be...
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Obukohwo Oba Efayena,Enoh Hilda Olele,Ngozi Patricia Buzugbe
No firm operates in a vacuum without interacting within the immediate environment as well as reacting and counteracting with internal and external forces. Each firm operating in an industry strive to expand its operations gaining more market shares, whil...
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Franck Schoefs, Michael O?Byrne, Vikram Pakrashi, Bidisha Ghosh, Mestapha Oumouni, Thomas Soulard and Marine Reynaud
Hard marine growth is an important process that affects the design and maintenance of floating offshore wind turbines. A key parameter of hard biofouling is roughness since it considerably changes the level of drag forces. Assessment of roughness from on...
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Stefania Fontanella, Oreste Fecarotta, Bruno Molino, Luca Cozzolino and Renata Della Morte
In recent years, the interest towards the use of pumps operating as turbines (PATs) for the generation of electrical energy has increased, due to the low cost of implementation and maintenance. The main issue that inhibits a wider use of PATs is the lack...
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Francesco Mocera, Aurelio Somà and Andrea Nicolini
In this work, a multibody model of a small size farming tracked vehicle is shown. Detailed models of each track were coupled with the rigid body model of the vehicle. To describe the interaction between the track and the ground in case of deformable soil...
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Yang Pan, Qi Yuan, Gongge Huang, Jiawei Gu, Pu Li and Guangyu Zhu
The purpose of this study was to investigate the characteristics of the blade tip excitation forces represented as the rotordynamic coefficients (stiffness and damping coefficients) in an unshrouded turbine using the three-dimensional computational fluid...
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Adnan Darwish Ahmad, Ahmad M. Abubaker, Ahmad A. Salaimeh and Nelson K. Akafuah
Electrostatic rotary bell sprayers (ERBSs) are widely used in the automotive industry. In ERBS, atomization is facilitated using centrifugal forces which disintegrate the paint film inside the cup into droplets at the cup edge. The droplets are then tran...
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Pág. 36 - 45
The subject of the research in the article are questions connected with the refined solutions of the isothermal stationary problem for the lubricating cooling liquid in the Newtonian state, taking into account the forces acting in the meshing of the cyli...
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Roberto Pacciani, Michele Marconcini and Andrea Arnone
The paper describes the development and validation of a novel computational fluid dynamics (CFD)-based throughflow model. It is based on the axisymmetric Euler equations with tangential blockage and body forces and inherits its numerical scheme from a st...
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