Transactions of the ASME . Journal of fluids engineering, Vol. 134 N° 6. Journal of fluids engineering (Transactions of the ASME) - Juin 2012
| Titre : | Transactions of the ASME . Journal of fluids engineering, Vol. 134 N° 6. Journal of fluids engineering (Transactions of the ASME) - Juin 2012 |
| Type de document : | Bulletin |
| Paru le : | 12/09/2012 |
Dépouillements
Article : texte imprimé
Bahram Khalighi, Auteur ;
Kuo-Huey Chen, Auteur ;
Gianluca Iaccarino, Auteur
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The unsteady flow around a simplified road vehicle model with and without drag reduction devices is investigated. The simulations are carried out using the unsteady RANS in conjunction with the v2-f turbulence model. The corresponding experiment[...]
Article : texte imprimé
Sun-Sheng Yang, Auteur ;
Fan-Yu Kong, Auteur ;
Hao Chen, Auteur
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A pump is not ideally designed to operate as a turbine. To improve the efficiency of a pump as turbine (PAT), the redesign of the PAT, according to the flow of the turbine, is required. The blade wrap angle is one of the main geometric parameter[...]
Article : texte imprimé
Z. Ikram, Auteur ;
E. J. Avital, Auteur ;
J. J. R. Williams, Auteur
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The effects of reducing submergence depth around a submerged submarine fairwater without its associated appendages is numerically studied using detached eddy simulation. The submerged body is modeled using the ghost-cell immersed boundary method[...]
Article : texte imprimé
Somnath Roy, Auteur ;
Sumanta Acharya, Auteur
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Flow inside an unbaffled Rushton-impeller stirred tank reactor (STR) is perturbed using a time dependent impeller rotational speed. Large eddy simulation (LES) revealed that the perturbation increased the width of impeller jet compared to the co[...]
Article : texte imprimé
Zhipeng Duan, Auteur ;
M. M. Yovanovich, Auteur ;
Y. S. Muzychka, Auteur
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The objective of this paper is to furnish the engineer with a simple and convenient means of estimating frictional pressure drop in ducts and the original physical behavior can be clearly reflected. Fully developed turbulent flow frictional pres[...]
Article : texte imprimé
Neerav Abani, Auteur ;
Jaal B. Ghandhi, Auteur
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Turbulent starting jets with time-varying injection velocities were investigated using high-speed schlieren imaging. Two solenoid-controlled injectors fed a common plenum upstream of an orifice; using different upstream pressures and actuation t[...]
Article : texte imprimé
William K. George, Auteur
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More than two decades ago the first strong experimental results appeared suggesting that turbulent flows might not be asymptotically independent of their initial (or upstream) conditions (Wygnanski et al., 1986, “On the Large-Scale Structures in[...]
Article : texte imprimé
Risa Okita, Auteur ;
Yongli Zhang, Auteur ;
Brenton S. McLaury, Auteur
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Zhang et al. (2006) utilized computational fluid dynamics (CFD) to examine the validity of erosion models that have been implemented into CFD codes to predict solid-particle erosion in air and water for inconel 625. This work is an extension of [...]
Article : texte imprimé
Soheil Ghanbarzadeh, Auteur ;
Pedram Hanafizadeh, Auteur ;
Mohammad Hassan Saidi, Auteur
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Identification of different flow regimes in industrial systems operating under two-phase flow conditions is necessary in order to safely design and optimize their performance. In the present work, experiments on two-phase flow have been performe[...]
Article : texte imprimé
Cong Du, Auteur ;
Jian-Zhong Liu, Auteur ;
Zhen-Yu Huang, Auteur
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Coaxial elements and annular liquid jets are normally utilized in industrial applications to generate sprays. A particle image velocimetry investigation on the transient characteristics of the spray velocity field of a coaxial convergent nozzle [...]
Article : texte imprimé
Li, Juan, Auteur ;
Mei Han, Auteur ;
Xiuting Han, Auteur
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In order to promote heavy oil recovery and solve the conventional plunger pump problems, which include wear, large leakage, and a stuck pump in the process of heavy oil production, this paper reports on the research and development of a new pump[...]
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