Transactions of the ASME . Journal of fluids engineering, Vol. 133 N° 4. Journal of fluids engineering - Avril 2011
| Titre : | Transactions of the ASME . Journal of fluids engineering, Vol. 133 N° 4. Journal of fluids engineering - Avril 2011 |
| Type de document : | Bulletin |
| Paru le : | 11/09/2011 |
Dépouillements
Article : texte imprimé
Widmer, Christian, Auteur ;
Staubli, Thomas, Auteur ;
Ledergerber, Nathan, Auteur
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Reversible pump-turbines are versatile in the electricity market since they can be switched between pump and turbine operation within a few minutes. The emphasis on the design of the more sensitive pump flow however often leads to stability prob[...]
Article : texte imprimé
Huyer, Stephen A., Auteur ;
Dropkin, Amanda, Auteur
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This paper presents a computational study to better understand the underlying fluid dynamics associated with various duct shapes and the resultant impact on both total vehicle drag and propulsor efficiency. A post-swirl propulsor configuration ([...]
Article : texte imprimé
Parker, D., Auteur ;
Birch, M. J., Auteur ;
Francis, J., Auteur
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In this study the effects of changes to the geometry of a vortex amplifier are investigated using computational fluid dynamics (CFD) techniques, in the context of glovebox operations for the nuclear industry. These investigations were required b[...]
Article : texte imprimé
Kumar, S., Auteur ;
Cantu, C., Auteur ;
Gonzalez, B., Auteur
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Flow past a rotating circular cylinder is studied experimentally. The experiments are carried out in a water tunnel at Reynolds numbers of 200, 300, and 400 and nondimensional rotation rates (ratio of surface speed of the cylinder to the free st[...]
Article : texte imprimé
Guzmán, J. E. V., Auteur ;
Zenit, R., Auteur
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Hydrodynamic slugging occurs frequently in nature and in various industrial systems. Under certain circumstances, a mechanistic approach to study such flows is possible and the Euler–Lagrange method may be conveniently implemented. Here, the mod[...]
Article : texte imprimé
Hiroshi Yamaguchi, Auteur ;
Niu, Xiao-Dong, Auteur ;
Nagaoka, Shogo, Auteur
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An electromagnetically induced signal measurement method is presented to measure solid-liquid two-phase flows in the present study. The method is validated by comparing visualization results for three flow patterns of “pseudo-homogenous flow,” “[...]
Article : texte imprimé
Yang, Xu, Auteur ;
Qu, Zongchang, Auteur ;
Wu, Yuyuan, Auteur
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A new synchronal rotary multiphase pump (SRMP) is presented, which is geometrically simple and easy to manufacture. With the rotary cylinder, the frictional losses between the major components of the SRMP are minimized. Its structural design and[...]
Article : texte imprimé
Baratta, Mirko, Auteur ;
Andrea E. Catania, Auteur ;
Pesce, Francesco C., Auteur
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During the last few years, the integration of CFD tools in the internal combustion (IC) engine design process has continually increased, allowing time and cost savings as the need for experimental prototypes has diminished. Numerical analyses of[...]
Article : texte imprimé
Gaskin, Ian, Auteur ;
Shapiro, Evgeniy, Auteur ;
Drikakis, Dimitris, Auteur
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Time-of-flight flowmeters offer advantages over other flowmeter types since these are less sensitive to the physical properties of the fluid. However, calibration of the flowmeter for a particular working fluid is still required. A flowmeter tha[...]
Article : texte imprimé
Dunn, Matthew C., Auteur ;
Shotorban, Babak, Auteur ;
Abdelkader Frendi, Auteur
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The article is concerned with the propagation of uncertainties in the values of turbulence model coefficients and parameters in turbulent flows. These coefficients and parameters are obtained through experiments performed on elementary flows, an[...]
Article : texte imprimé
Norris, Stuart E., Auteur
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For high Reynolds number flows the total pressure remains constant along stream lines. At low Reynolds numbers the total pressure decreases in a global sense due to the actions of viscosity, but it may increase locally in regions such as stagnat[...]
Article : texte imprimé
Fangwei Xie, Auteur ;
Hou, Youfu, Auteur ;
Ping Yang, Auteur
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Taking account of temperature and the effect of pressure difference and inertia force on oil film, the analytic solutions for pressure, radial velocity, and transferred torque were derived. The results show that considering the effect of tempera[...]
Article : texte imprimé
Alexander G. Bick, Auteur ;
William D. Ristenpart, Auteur ;
van Nierop, Ernst A., Auteur
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We recently discovered that bubble formation can be substantially prevented when an aqueous solution is sprayed into a bath of the same solution provided that any two consecutive drops impacting the same surface location do so with a time interv[...]
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