Transactions of the ASME . Journal of fluids engineering, Vol. 131 N° 11. Journal of fluids engineering (Transactions of the ASME) - Novembre 2009
| Titre : | Transactions of the ASME . Journal of fluids engineering, Vol. 131 N° 11. Journal of fluids engineering (Transactions of the ASME) - Novembre 2009 |
| Type de document : | Bulletin |
| Paru le : | 10/01/2010 |
Dépouillements
Article : texte imprimé
Shun C. Yen, Auteur ;
Lung –C. Huang, Auteur
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The effects of sweep-back angle (Λ), Reynolds number (Re), and angle of attack (α) on the boundary-layer flow structures and aerodynamic performance of a finite swept-back wing were experimentally investigated. The Reynolds number and sweep-back[...]
Article : texte imprimé
Hai-Ping Hu, Auteur ;
Rong-Hua Yeh, Auteur
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This paper presents a study of the laminar flow in a channel with longitudinal moving bars arrayed along the channel width. The governing equations describing the fluid, which flows along the direction of the bar’s length, are expressed with dou[...]
Article : texte imprimé
E. Amet, Auteur ;
T. Maitre, Auteur ;
C. Pellone, Auteur
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The aim of this work is to provide a detailed two-dimensional numerical analysis of the physical phenomena occurring during dynamic stall of a Darrieus wind turbine. The flow is particularly complex because as the turbine rotates, the incidence [...]
Article : texte imprimé
Matjaž Eberlinc, Auteur ;
Sirok, Brane, Auteur ;
Matevž Dular, Auteur
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Axial fans often show adverse flow conditions at the fan hub and at the tip of the blade. The modification of conventional axial fan blade is presented. Hollow blade was manufactured from the hub to the tip. It enables the formation of self-indu[...]
Article : texte imprimé
Y. S. Muzychka, Auteur ;
M. M. Yovanovich, Auteur
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A detailed review and analysis of the hydrodynamic characteristics of laminar developing and fully developed flows in noncircular ducts is presented. New models are proposed, which simplify the prediction of the friction factor–Reynolds product [...]
Article : texte imprimé
Mathieu Martin, Auteur ;
Chris Patton, Auteur ;
John Schmitt, Auteur
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Flow maldistribution, resulting from bubbles or other particulate matter, can lead to drastic performance degradation in devices that employ parallel microchannels for heat transfer. In this work, direct numerical simulations of fluid flow throu[...]
Article : texte imprimé
Chuan Ping Shao, Auteur ;
Jian Zhong Lin, Auteur
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A thin strip cross-sectional element is used to suppress vortex shedding from a plate with a width to thickness ratio of 4.0 at incidence angles in the range of 0–90 deg and a Reynolds number of 1.1×104. The axes of the element and plate are par[...]
Article : texte imprimé
Daniel C. Lyons, Auteur ;
Leonard J. Peltier, Auteur ;
Zajaczkowski, Frank J., Auteur
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Separated flow past a hump in a turbulent boundary layer is studied numerically using detached-eddy simulation (DES), zonal detached-eddy simulation (ZDES), delayed detached-eddy simulation (DDES), and Reynolds-averaged Navier–Stokes (RANS) mode[...]
Article : texte imprimé
R. E. A. Arndt, Auteur ;
Amromin, E. L., Auteur ;
W. T. Hambleton, Auteur
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An experimental study of air supply to bottom cavities stabilized within a recess under a horizontal surface has been carried out in a specially designed water tunnel. The air supply necessary for creating and maintaining an air cavity in steady[...]
Article : texte imprimé
R. E. A. Arndt, Auteur ;
Eduard L. Amromin, Auteur ;
William Hambleton, Auteur
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Although cavitation inception in jets has been studied extensively, little is known about the more complex problem of a jet flow interacting with an outer flow behind a moving body. This problem is studied experimentally by considering inception[...]
Article : texte imprimé
Mirka Deza, Auteur ;
Nathan P. Franka, Auteur ;
Francine Battaglia, Auteur
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Computational modeling of fluidized beds can be used to predict the operation of biomass gasifiers after extensive validation with experimental data. The present work focused on validating computational simulations of a fluidized bed using a mul[...]
Article : texte imprimé
Mitsuhiro Nakao, Auteur ;
Kenji Kawashima, Auteur ;
Toshiharu Kagawa, Auteur
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Measurement-integrated (MI) simulation is a numerical simulation in which experimental results are fed back to the simulation. The calculated values become closer to the experimental values. In the present paper, MI simulation using a turbulent [...]
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