Transactions of the ASME . Journal of fluids engineering, Vol. 134 N° 2. Journal of fluids engineering (Transactions of the ASME) - Fevrier 2012
| Titre : | Transactions of the ASME . Journal of fluids engineering, Vol. 134 N° 2. Journal of fluids engineering (Transactions of the ASME) - Fevrier 2012 |
| Type de document : | Bulletin |
| Paru le : | 12/09/2012 |
Dépouillements
Article : texte imprimé
John Axerio-Cilies, Auteur ;
Emin Issakhanian, Auteur ;
Juan Jimenez, Auteur
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The flowfield around a 60% scale stationary Formula 1 tire in contact with the ground in a closed wind tunnel at a Reynolds number of 500,000 was computationally examined in order to assess the accuracy of different turbulence modeling technique[...]
Article : texte imprimé
Shriram Jagannathan, Auteur ;
Markus Schwänen, Auteur ;
Andrew Duggleby, Auteur
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The separation and reattachment of suction surface boundary layer in a low pressure turbine is characterized using large-eddy simulation at Ress = 69000 based on inlet velocity and suction surface length. Favorable comparisons are drawn with exp[...]
Article : texte imprimé
Francis, J., Auteur ;
Birch, M. J., Auteur ;
Parker, D., Auteur
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In this paper computational fluid dynamics (CFD) techniques have been used to investigate the effect of changes to the geometry of a vortex amplifier (VXA) in the context of glovebox operations in the nuclear industry. These investigations were [...]
Article : texte imprimé
Thomas Kinsey, Auteur ;
Guy Dumas, Auteur
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The performance of a new concept of hydrokinetic turbine using oscillating hydrofoils to extract energy from water currents (tidal or gravitational) is investigated using URANS numerical simulations. The numerical predictions are compared with e[...]
Article : texte imprimé
P. Bagdi, Auteur ;
P. Bhardwaj, Auteur ;
A. K. Sen, Auteur
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This paper presents a three-dimensional simulation of a micro hydrocyclone for the separation of micron sized particles from liquid in a particulated sample. A theoretical analysis is performed to demonstrate the working principle of the micro h[...]
Article : texte imprimé
Sunghun Kim, Auteur ;
Hubertus Murrenhoff, Auteur
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Oil properties are very important input parameters for the simulation of hydraulic components. Precise values of effective bulk modulus at low pressures are especially required to improve the simulation accuracy of the pumps suction side or of c[...]
Article : texte imprimé
The printing of a thin line of liquid onto a moving flat solid substrate was studied numerically. For a fixed value of the Capillary number, the window of steady state deposition was explored in terms of the substrate-nozzle gap and flow rate pa[...]
Article : texte imprimé
Naoki Tani, Auteur ;
Nobuhiro Yamanishi, Auteur ;
Yoshinobu Tsujimoto, Auteur
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Cavitation instability is a major vibration source in turbopump inducers, and its prevention is a critical design problem in rocket-engine development. As reported by Kang et al., (2009, “Cause of Cavitation Instabilities in Three Dimensional In[...]
Article : texte imprimé
Helmut Benigni, Auteur ;
Helmut Jaberg, Auteur ;
Hoi Yeung, Auteur
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A low specific speed centrifugal pump is investigated by means of numerical simulation, especially in deep part-load operation. The 3D computational fluid dynamics (CFD) model includes the front and back cavities, a 360 deg impeller and a double[...]
Article : texte imprimé
Zou, Jun, Auteur ;
Pengfei, Wang, Auteur ;
Ruan, Xiaodong, Auteur
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A method based on the medial axis transform (MAT) theory is presented to explore the laws of meridional profiles versus specific speeds for centrifugal pumps. Through extracting each pump's MAT and transforming to two newly introduced variables,[...]
Article : texte imprimé
N. Vinod, Auteur ;
Rama Govindarajan, Auteur
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The secondary instability of the incompressible boundary layer in the axial flow past a cylinder is studied. The laminar flow is shown to be always stable at high transverse curvatures to secondary disturbances. Because the primary mode is stabl[...]
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