Transactions of the ASME . Journal of fluids engineering, Vol. 134 N° 12. Journal of fluids engineering - Décembre 2012
| Titre : | Transactions of the ASME . Journal of fluids engineering, Vol. 134 N° 12. Journal of fluids engineering - Décembre 2012 |
| Type de document : | Bulletin |
| Paru le : | 02/06/2013 |
Dépouillements
Article : texte imprimé
Juliang Xiao, Auteur ;
Enqiang Zhu, Auteur ;
Guodong Wang, Auteur
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A numerical model that considers the interaction between the ring gate and its neighboring components was used to simulate the emergency shutdown process of a ring gate in hydraulic turbine runaway. The three-dimensional, unsteady Navier–Stokes [...]
Article : texte imprimé
Rajai S. Alassar, Auteur ;
Mohammed Abushoshah, Auteur
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In this paper, an exact solution of Hagen–Poiseuille flow in microchannels with semi-elliptic cross sections is obtained. The velocity, shear stress distribution, and the friction factor are calculated and compared to known approximate solutions[...]
Article : texte imprimé
Sun-Sheng Yang, Auteur ;
Fan-Yu Kong, Auteur ;
Xiao-Yun Qu, Auteur
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The rotor-stator interaction of a rotating impeller and a stationary volute could cause strong pressure pulsations and generate flow induced noise and vibration in a pump used as a turbine (PAT). Blade number is one of the main geometric paramet[...]
Article : texte imprimé
John Axerio-Cilies, Auteur ;
Gianluca Iaccarino, Auteur
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The flowfield around a 60% scale rotating Formula 1 tire in contact with the ground in a closed wind tunnel at a Reynolds number of 500,000 was examined computationally and experimentally. The goal of this study was to assess the accuracy of uns[...]
Article : texte imprimé
Grunde Olimstad, Auteur ;
Torbjørn Nielsen, Auteur ;
Bjarne Børresen, Auteur
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Characteristics of a reversible-pump turbine have been measured with five different leading edge profiles in turbine mode. These profiles varied the inlet blade angle and the radius of curvature. Further geometry parameters have been investigate[...]
Article : texte imprimé
Guilherme F. Rosetti, Auteur ;
Guilherme Vaz, Auteur ;
André L. C. Fujarra, Auteur
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The flow around circular smooth fixed cylinder in a large range of Reynolds numbers is considered in this paper. In order to investigate this canonical case, we perform CFD calculations and apply verification & validation (V&V) procedures to dra[...]
Article : texte imprimé
Donald P. Rizzetta, Auteur ;
Miguel R. Visbal, Auteur
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Plasma-based flow control was explored as a means of enhancing the performance of a maneuvering flat-plate wing. For this purpose, a numerical investigation was conducted via large-eddy simulation (LES). The wing has a rectangular planform, a th[...]
Article : texte imprimé
M. A. Nosier, Auteur ;
A. R. Elbaz, Auteur ;
T. N. Aboul Fetouh, Auteur
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This research aims to study the characteristics of the wake generated by twin cylinders. The cylinders are arranged in parallel side-by-side and staggered arrangements. The mainstream velocity is varied between 18 m/s and 20 m/s, which are equiv[...]
Article : texte imprimé
H. Stel, Auteur ;
A. T. Franco, Auteur ;
S. L. M. Junqueira, Auteur
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Turbulent flow in d-type corrugated pipes of various aspect ratios has been numerically investigated in terms of flow pattern and friction factor, for Reynolds numbers ranging from 5000 to 100,000. The present numerical model was verified by com[...]
Article : texte imprimé
Ramesh Chand, Auteur ;
G. C. Rana, Auteur
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Thermal instability in a horizontal layer of Rivlin–Ericksen elastico-viscous nanofluid in a porous medium is considered. A linear stability analysis based upon normal mode analysis is used to find a solution of the fluid layer confined between [...]
Article : texte imprimé
Reza Malekzadeh, Auteur ;
Robert F. Mudde, Auteur ;
Ruud A. W. M. Henkes, Auteur
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A new type of severe slugging is found that can occur in two-phase flow of gas and liquid in pipeline-riser systems. This instability, which will be referred to as dual-frequency severe slugging (DFSS), generates a different class of flow oscill[...]
Article : texte imprimé
J. L. Muñoz-Cobo, Auteur ;
L. E. Herranz, Auteur ;
A. Escrivá, Auteur
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In this work we study the hydrodynamics of characteristic gas jets resulting from guillotine breaks of steam generator tube rupture sequences (SGTR) in pressurized nuclear power reactors. As an initial step towards describing an “in-bundle” gas [...]
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