Transactions of the ASME . Journal of fluids engineering, Vol. 131 N° 5. Journal of fluids engineering (Transactions of the ASME) - Mai 2009
| Titre : | Transactions of the ASME . Journal of fluids engineering, Vol. 131 N° 5. Journal of fluids engineering (Transactions of the ASME) - Mai 2009 |
| Type de document : | Bulletin |
| Paru le : | 29/09/2009 |
Dépouillements
Article : texte imprimé
B. P. M. van Esch, Auteur
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Many centrifugal pumps have a suction velocity profile, which is nonuniform, either by design like in double-suction pumps, sump pumps, and in-line pumps, or as a result of an installation close to an upstream disturbance like a pipe bend. This [...]
Article : texte imprimé
Q. X. Huang, Auteur ;
L. He, Auteur ;
David L. Bell, Auteur
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This paper presents a combined experimental and computational study of unsteady flows in a linear turbine cascade oscillating in a three-dimensional bending/flapping mode. Detailed experimental data are obtained on a seven-bladed turbine cascade[...]
Article : texte imprimé
Seyed Mohammad Hosseini, Auteur ;
Kazuhisa Yuki, Auteur ;
Hidetoshi Hashizume, Auteur
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T-junction is one of the familiar components in the cooling system of power plants with enormous capability of high-cycle thermal fatigue. This research investigates the structure and mixing mechanism of turbulent flow in a T-junction area with [...]
Article : texte imprimé
A. Ahmadi, Auteur
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The sensitivity to poor conditioned and swirling flow of flow measurements using an orifice plate are subjects of concern to flowmeter users and manufacturers. Measurements of mass flow rate under different conditions and different Reynolds numb[...]
Article : texte imprimé
Khaled M. Bataineh, Auteur ;
Moh’d A. Al-Nimr, Auteur
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n this paper we provide numerical solution of the Navier–Stokes equations coupled with energy equation for gaseous slip flow in two-dimensional microscale viscous pumps. A first-order slip boundary condition was applied to all internal solid wal[...]
Article : texte imprimé
A. J. Gannon, Auteur ;
G. V. Hobson, Auteur
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An investigation of the behavior of a transonic compressor rotor when operating close to stall is presented. The specific areas of interest are the behavior and location of low-frequency instabilities close to stall. In running close to stall, c[...]
Article : texte imprimé
B. M. Marino, Auteur ;
L. P. Thomas, Auteur
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We study the variation of the Froude number at the front of gravity currents developed in uniform channels whose cross-section shape depends on a parameter usually used in many numerical and theoretical models. The thickness and front velocity o[...]
Article : texte imprimé
Daniel R. Morse, Auteur ;
James A. Liburdy, Auteur
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This study focuses on the detection and characterization of vortices in low Reynolds number separated flow over the elliptical leading edge of a low aspect ratio, flat plate wing. Velocity fields were obtained using the time-resolved particle im[...]
Article : texte imprimé
Yang, Shu-Qing, Auteur
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The mean velocity profile and friction factor in turbulent flows with polymer additives are investigated using Prandtl’s mixing-length theorem. This study reveals that the mixing-length theorem is valid to express the drag-reducing phenomenon an[...]
Article : texte imprimé
Shuhong Liu, Auteur ;
Liang Zhang, Auteur ;
Michihiro Nishi, Auteur
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As a numerical method to study the cavitation performance of a Francis turbine, the mixture model for the cavity/liquid two-phase flow is adopted in the cavitating turbulent flow analysis together with the re-normalization group (RNG) k-ε turbul[...]
Article : texte imprimé
R. Asmatulu, Auteur ;
Kim, S., Auteur ;
F. Papadimitrakopoulos, Auteur
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A new dielectrophoretic force-induced parallel-plate assembly technique was used to achieve close-packed 2D large colloidal photonic crystals on gold electrodes (∼200 nm thick). The electrodes were patterned on a glass substrate using a conventi[...]
Article : texte imprimé
Ammar M. Abdilghanie, Auteur ;
Lance R. Collins, Auteur ;
David A. Caughey, Auteur
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Turbulence modeling techniques are compared for the simulation of low speed indoor air flow in a simple room. The effect of inlet turbulence intensity on the flow field is investigated using the constant coefficient large eddy simulation (LES) m[...]
Article : texte imprimé
H. Zidouh, Auteur ;
Labraga, Larbi, Auteur ;
M. William-Louis, Auteur
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Experimental measurements of the wall shear stress combined with those of the velocity profiles via the electrochemical technique and ultrasonic pulsed Doppler velocimetry are used to analyze the flow behavior in transient flows caused by a down[...]
Article : texte imprimé
R. S. Alassar, Auteur ;
M. A. El-Gebeily, Auteur
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A simple solution of the problem of inviscid flow past two circular cylinders is presented. The two cylinders may be of different diameters and located at any distance from each other. The solutions of the two main cases, namely, when the flow i[...]
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