Transactions of the ASME . Journal of fluids engineering, Vol. 134 N° 7. Journal of fluids engineering - Juillet 2012
| Titre : | Transactions of the ASME . Journal of fluids engineering, Vol. 134 N° 7. Journal of fluids engineering - Juillet 2012 |
| Type de document : | Bulletin |
| Paru le : | 21/10/2012 |
Dépouillements
Article : texte imprimé
Chunill Hah, Auteur ;
Hyoun-Woo Shin, Auteur
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Detailed flow behavior in a modern transonic fan with a compound sweep is investigated in this paper. Both unsteady Reynolds-averaged Navier-Stokes (URANS) and large eddy simulation (LES) methods are applied to investigate the flow field over a [...]
Article : texte imprimé
Ling Zhou, Auteur ;
Weidong Shi, Auteur ;
Weigang Lu, Auteur
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In this paper, the design methodology of a new type of three-dimensional surface return diffuser (3DRD) is presented and described in detail. The main goal was to improve the hydrodynamic performance of the deep-well centrifugal pump (DCP). Duri[...]
Article : texte imprimé
Mahmoud Ahmed, Auteur ;
M. S. Youssef, Auteur
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Characteristics of mean droplet size of spray produced by spinning disk atomizers were experimentally investigated. The phase-doppler particle analyzer (PDPA) was used to measure the droplet size of water spray in the downstream distance along t[...]
Article : texte imprimé
Jin-Hyuk Kim, Auteur ;
Kwang-Yong Kim, Auteur
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Hydrodynamic analysis and an optimization of a vaned diffuser in a mixed-flow pump are performed in this work. Numerical analysis is carried out by solving three-dimensional Reynolds-averaged Navier-Stokes equations using the shear stress transp[...]
Article : texte imprimé
Thomas Kinsey, Auteur ;
Guy Dumas, Auteur
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Three-dimensional hydrodynamic losses are assessed in this investigation for a foil oscillating sinusoidally in a combined heave and pitch motion with large amplitudes. Simulations are performed using a unsteady Reynolds-Averaged-Navier-Stokes ([...]
Article : texte imprimé
Joshua Yen, Auteur ;
Noor A. Ahmed, Auteur
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A parametric study of the interaction between dynamic stall and a zero-net mass flux synthetic jet installed on a wing was investigated by identifying the dominant frequencies in the resulting flow field using spectral analysis. The instantaneou[...]
Article : texte imprimé
Xiao Wang, Auteur ;
Keith Walters, Auteur
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Almost all computational fluid dynamics (CFD) simulations of flow around marine propellers use turbulence models that are only well suited for fully turbulent flows, which in some cases may lead to accuracy degradation in the prediction of prope[...]
Article : texte imprimé
D. Y. Wang, Auteur ;
Y. Zhou, Auteur ;
Y. Zhu, Auteur
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This paper presents numerical predictions of flow around irregular-plan buildings (S-, R-, L- and U-shaped models) in high Reynolds number. The adopted computational approach and numerical models are described firstly. Then comparative analysis [...]
Article : texte imprimé
Nihad Dukhan, Auteur
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Momentum transport in porous media exists in numerous engineering and process applications, e.g., ground water pollution, storage of nuclear waste, heat exchangers, and chemical reactors. In many of such applications, the porous medium is confin[...]
Article : texte imprimé
Hiroshi Fujimoto, Auteur ;
Ryota Doi, Auteur ;
Hirohiko Takuda, Auteur
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The motions of liquid droplets impinging on a solid substrate have been studied experimentally in fundamental research on various types of industrial applications, including spray cooling. The oblique collision of a single water droplet with a h[...]
Article : texte imprimé
B. P. M. van Esch, Auteur
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An unwanted side effect of pumping stations is that fish suffer from injury and mortality when passing through the pumps and that fish migration is hampered. In recent years, the development of so-called fish-friendly pumping stations has receiv[...]
Article : texte imprimé
Li-jun Yang, Auteur ;
Xin-Yu Liu, Auteur ;
Qing-fei Fu, Auteur
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A linear instability analysis method has been used to investigate the breakup of an electrified viscoelastic liquid jet. The liquid is assumed to be a dilute polymer solution modeled by the linear viscoelastic constitutive equation. As for its e[...]
Article : texte imprimé
T. Srinivasarao, Auteur ;
P. Lovaraju, Auteur ;
E. Rathakrishnan, Auteur
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This paper presents the experimental results of underexpanded jets delivered from a central nozzle surrounded by a co-flow. The co-flow is found to be effective in elongating the supersonic core length of the central jet, at all levels of undere[...]
Article : texte imprimé
Grégory Lecrivain, Auteur ;
Uwe Hampel, Auteur
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In a high temperature pebble-bed reactor core where thousands of pebbles are amassed, the friction between the outer graphite layer of the fuel elements triggers the formation of carbonaceous dust. This dust is eventually conveyed by the cooling[...]
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