Transactions of the ASME . Journal of fluids engineering, Vol. 134 N° 3. Journal of fluids engineering (Transactions of the ASME) - Mars 2012
| Titre : | Transactions of the ASME . Journal of fluids engineering, Vol. 134 N° 3. Journal of fluids engineering (Transactions of the ASME) - Mars 2012 |
| Type de document : | Bulletin |
| Paru le : | 12/09/2012 |
Dépouillements
Article : texte imprimé
P. Gaetani, Auteur ;
A. Boccazzi, Auteur ;
R. Sala, Auteur
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Particle image velocimetry (2D-PIV) has been used for the investigation of the time and phase-averaged flow field inside the vaned diffuser of a centrifugal pump operating at the best efficiency point (BEP). Pump performances and the diffuser fl[...]
Article : texte imprimé
Carlos A.M. Ventura, Auteur ;
Peter A. Jacobs, Auteur ;
Andrew S. Rowlands, Auteur
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A comprehensive one-dimensional meanline design approach for radial inflow turbines is described in the present work. An original code was developed in Python that takes a novel approach to the automatic selection of feasible machines based on p[...]
Article : texte imprimé
Thomas Kinsey, Auteur ;
Guy Dumas, Auteur
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A numerical investigation based on 2D URANS simulations is performed in order to seek an optimal spatial configuration for two oscillating foils within a hydrokinetic turbine. The objective of the study is to maximize the power extraction effici[...]
Article : texte imprimé
Shanti Bhushan, Auteur ;
Tao Xing, Auteur ;
Frederick Stern, Auteur
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Vortical structures and associated instabilities of appended Athena wetted transom flow in full-scale conditions are studied using DES to explain the source of dominant transom flow frequency, including verification and validation using full-sca[...]
Article : texte imprimé
Deepak Rangarajan, Auteur ;
Jennifer S. Curtis, Auteur
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A CFD study on the effect of spanwise width on a rectangular jet with sidewalls is conducted using a standard k-epsilon model with wall functions. An order of magnitude analysis reveals the role played by spanwise turbulent shear terms, arising [...]
Article : texte imprimé
Max Blanco, Auteur ;
Philip A. Wilson, Auteur
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This article describes a literature review focused on published empirical measurements of external flows over bodies of revolution that can be employed for verification and validation of calculations of survey-class autonomous underwater vehicle[...]
Article : texte imprimé
Jiahao Tian, Auteur ;
Roussinova Vesselina, Auteur ;
Ram Balachandar, Auteur
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In this study, the characteristics of a round turbulent jet in the vicinity of a free surface are investigated. The jet issued from a nozzle located at a depth five times the nozzle diameter (d = 10 mm) below and parallel to the free surface. Th[...]
Article : texte imprimé
A. Feymark, Auteur ;
N. Alin, Auteur ;
R. Bensow, Auteur
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In this work, we use large eddy simulation (LES) to study the influence of grid and subgrid model on the lift and drag force predictions of a fixed cylinder undergoing streamwise sinusoidal oscillations in a steady flow, resulting in a varying R[...]
Article : texte imprimé
Arvind Jayaprakash, Auteur ;
Chao-Tsung Hsiao, Auteur ;
Georges Chahine, Auteur
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An understanding of the fundamental mechanisms involved in the interaction between bubbles and structures is of importance for many applications involving cavitation erosion. Generally, the final stage of bubble collapse is associated with the f[...]
Article : texte imprimé
Martin Ernst, Auteur ;
Martin Sommerfeld, Auteur
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The main objective of the present study is the investigation of volume fraction effects on the collision statistics of nonsettling inertial particles in a granular medium as well as suspended in an unsteady homogeneous isotropic turbulent flow. [...]
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