Transactions of the ASME . Journal of fluids engineering, Vol. 130 N° 7. Journal of fluids engineering - Juillet 2008
| Titre : | Transactions of the ASME . Journal of fluids engineering, Vol. 130 N° 7. Journal of fluids engineering - Juillet 2008 |
| Type de document : | Bulletin |
| Paru le : | 07/09/2014 |
Dépouillements
Article : texte imprimé
Joseph Katz, Auteur ;
Frederic Morey, Auteur
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The aerodynamic performance of several vortex generators (VGs) of the type used on the lower surface of race cars was tested in a low-speed wind tunnel. In this particular application, the vortices emanating from the VGs create a suction force b[...]
Article : texte imprimé
Yeng-Yung Tsui, Auteur ;
Ching-Shiang Yang, Auteur ;
Chung-Ming Hsieh, Auteur
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The mixing flows in microchannels were examined using numerical methods. To speed up fluid mixing, it is essential to generate lateral transport of mass. In this study, the mixing flow is disrupted by either placing grooves or block obstacles on[...]
Article : texte imprimé
David S. Miklosovic, Auteur
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An analytic and experimental effort was undertaken to assess the effectiveness and efficiency of three winglets mounted chordwise to the tip of a rectangular wing. The winglets, with an aspect ratio of 4.6, were mounted on a half-span wing havin[...]
Article : texte imprimé
Victor Shatrov, Auteur ;
Gunter Gerbeth, Auteur ;
Regina Hermann, Auteur
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This paper presents a numerical analysis of the free surface liquid metal flow driven by an alternating current magnetic field in a spinning cylindrical container. The axisymmetric flow structure is analyzed for various values of the magnetohydr[...]
Article : texte imprimé
Aaron Johnson, Auteur ;
John Wright, Auteur
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State-of-the art dimensional metrology was used to measure the throat diameter and throat curvature of nine critical flow venturis (CFVs) with nominal throat diameters ranging from 5mmto25mm. The throat curvature was used in calculating the theo[...]
Article : texte imprimé
N. Sad Chemloul, Auteur ;
O. Benrabah, Auteur
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In this work, an experimental method based on laser anemometry with Doppller effects is developed. This allows the measurement of velocities and their fluctuations in a flow of solid-liquid suspension in an ascendant vertical pipe. In order to d[...]
Article : texte imprimé
Ravi K. Duggirala, Auteur ;
Christopher J. Roy, Auteur ;
S. M. Saeidi, Auteur
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Three-dimensional computational fluid dynamics simulations are performed for the flow of air through microfibrous materials for void fractions of 0.41 and 0.47 and face velocities ranging between 0.04ms and 1.29m∕s. The microfibrous materials co[...]
Article : texte imprimé
Evert-Jan Foeth, Auteur ;
Tom van Terwisga, Auteur ;
Cas van Doorne, Auteur
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A three-dimensional twisted hydrofoil with an attached cavitaty closely related to propellers was observed with a high-speed camera at the University of Delft Cavitation Tunnel. Reentrant flow coming from the sides of the cavity aimed at the cen[...]
Article : texte imprimé
Hailing An, Auteur ;
Michael W. Plesniak, Auteur
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Cavitation inception and development caused by a backward facing step in a Venturi-type test section were studied experimentally for different step heights (0.8–4mm). High-speed cinematography and particle image velocimetry images were used to d[...]
Article : texte imprimé
D. Palaniappan, Auteur
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The classical method of images is used to construct closed form exact solutions for the two-dimensional (2D) perturbed flow fields in the presence of a 2D vapor-liquid compound droplet in the limit of low-Reynolds number. The geometry of the mul[...]
Article : texte imprimé
Giovanni Lo Iacono, Auteur ;
Andy M. Reynolds, Auteur ;
Paul G. Tucker, Auteur
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Predictions for the number of particles depositing from fully developed turbulence onto a fully roughened k-type surface are obtained from the results of large-eddy simulations for a ribbed-channel flow. Simulation data are found to provide only[...]
Article : texte imprimé
Stephen A. Jordan, Auteur
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When establishing the spatial resolution character of a composite compact finite differencing template for high-order field solutions, the stencils selected at nonperiodic boundaries are commonly treated independent of the interior scheme. This [...]
Article : texte imprimé
Po-Jen Cheng, Auteur
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The long-wave perturbation method is employed to investigate the nonlinear hydromagnetic stability of a thin electrically conductive power-law liquid film flowing down a vertical cylinder. In contrast to most previous studies presented in litera[...]
Article : texte imprimé
Wen-Guang, Li, Auteur
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The two-step method for optimizing net positive suction head required (NPSHr) of axial-flow pumps is proposed in this paper. First, the NPSHr at the impeller tip is optimized with impeller diameter based on experimental data of 2D cascades in av[...]
Article : texte imprimé
Since 1990, the Fluids Engineering Division of ASME has pursued activities concerning the detection, estimation and control of numerical uncertainty and/or error in computational fluid dynamics (CFD) studies. The first quality-control measures i[...]
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