Transactions of the ASME . Journal of fluids engineering, Vol. 131 N° 4. Journal of fluids engineering (Transactions of the ASME) - Avril 2009
| Titre : | Transactions of the ASME . Journal of fluids engineering, Vol. 131 N° 4. Journal of fluids engineering (Transactions of the ASME) - Avril 2009 |
| Type de document : | Bulletin |
| Paru le : | 29/09/2009 |
Dépouillements
Article : texte imprimé
M. Brian Thomas, Auteur ;
Gary P. Maul, Auteur
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Pneumatic actuators can be advantageous over electromagnetic and hydraulic actuators in many servo motion applications. The difficulty in their practical use comes from the highly nonlinear dynamics of the actuator and control valve. Previous wo[...]
Article : texte imprimé
Hui Zhou, Auteur ;
Qu, Zongchang, Auteur ;
Hua Yang, Auteur
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The synchronal rotary compressor (SRC) has been developed to resolve high friction and severe wear that usually occur in conventional rotary compressors due to the high relative velocity between the key tribo-pairs. In this study, the working pr[...]
Article : texte imprimé
Angelo Cervone, Auteur ;
Yoshinobu Tsujimoto, Auteur ;
Yutaka Kawata, Auteur
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The paper will present an analytical model for the evaluation of the pressure and flow rate oscillations in a given axial inducer test facility. The proposed reduced order model is based on several simplifying assumptions and takes into account [...]
Article : texte imprimé
James R. DeBonis, Auteur
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Computational fluid dynamics (CFD) was used to evaluate the flow field and thrust performance of a promising concept for reducing the noise at take-off of dual-stream turbofan nozzles. The concept, offset stream technology, reduces the jet noise[...]
Article : texte imprimé
Theo Van Holten, Auteur ;
Monique Heiligers, Auteur ;
Annemie Jaeken, Auteur
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The behavior of a vortex flow through a Laval nozzle was studied in connection with the purification of natural gas. By creating a vortex and passing it through a Laval nozzle, the gas will be cooled, and water droplets will form and will be cen[...]
Article : texte imprimé
Mohsen Akbari, Auteur ;
David Sinton, Auteur ;
Majid Bahrami, Auteur
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Pressure driven liquid flow through rectangular cross-section microchannels is investigated experimentally. Polydimethylsiloxane microchannels are fabricated using soft lithography. Pressure drop data are used to characterize the friction factor[...]
Article : texte imprimé
S.-M. Kim, Auteur ;
S. M. Ghiaasiaan, Auteur
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The laminar pulsating flow through porous media was numerically studied. Two-dimensional flows in systems composed of a number of unit cells of generic porous structures were simulated using a computational fluid mechanics tool, with sinusoidal [...]
Article : texte imprimé
Ramon Miralbes Buil, Auteur ;
Luis Castejon Herrer, Auteur
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The aim of this article is the presentation of a series of aerodynamic improvements for semitrailer tankers, which reduce the aerodynamic resistance of these vehicles, and, consequently, result in a positive impact on fuel consumption, which is [...]
Article : texte imprimé
R. W. Hewson, Auteur
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The formation of a thin liquid film onto a moving substrate is a commonly encountered industrial process, and one that is encountered in lubrication, oil extraction processes, and coating flows. The formation of such a film is analyzed via the a[...]
Article : texte imprimé
WIodzimierz Wroblewski, Auteur ;
SIawomir Dykas, Auteur ;
Andrzej Gardzilewicz, Auteur
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This paper presents the experimental investigations of steam flow with condensation in the blading system of the low-pressure (LP) part of a 360 MW turbine. To this end, special probes were used, which provided flow visualization opportunities i[...]
Article : texte imprimé
M. Kawaji, Auteur ;
K. Mori, Auteur ;
D. Bolintineanu, Auteur
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The effects of gas-liquid inlet geometry and mixing method on adiabatic gas-liquid two-phase flow in a microchannel of 100 μm diameter have been investigated using a T-junction inlet with the same internal diameter as the microchannel. Two-phase[...]
Article : texte imprimé
Dinh, Thien X., Auteur ;
Ogami, Yoshifumi, Auteur
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This paper presents a thin millimeter-scaled device that can generate a closed flow within itself with a velocity of the order of a few m/s. The device comprises a piezoelectric pump with a PZT membrane, housing chamber, and a closed network cha[...]
Article : texte imprimé
Venkata K. Punyamurtula, Auteur ;
Aijie Han, Auteur ;
Qiao, Yu, Auteur
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By applying a quasihydrostatic pressure, water or electrolyte solution can be compressed into a surface treated MSU-H mesoporous silica. Based on the pressure-volume curves, thermodynamic and kinetic characteristics of the pressurized flow are a[...]
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