Transactions of the ASME . Journal of engineering for gas turbines and power, Vol. 133 N° 3. Journal of engineering for gas turbines and power - Mars 2011
| Titre : | Transactions of the ASME . Journal of engineering for gas turbines and power, Vol. 133 N° 3. Journal of engineering for gas turbines and power - Mars 2011 |
| Type de document : | Bulletin |
| Paru le : | 12/02/2012 |
Dépouillements
Article : texte imprimé
Alan Hale, Auteur ;
Andrew Hughes, Auteur ;
Jim Sirbaugh, Auteur
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The T-38 talon currently serves as the primary United States Air Force trainer for fighter aircraft. This supersonic trainer was developed in the 1960s but continues to be used today as the result of various modernization programs throughout its[...]
Article : texte imprimé
M. Arienti, Auteur ;
L. Wang, Auteur ;
M. Corn, Auteur
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We propose a computationally tractable model for film formation and breakup based on data from experiments and direct numerical simulations. This work is a natural continuation of previous studies where primary atomization was modeled based on l[...]
Article : texte imprimé
Anne Rausch, Auteur ;
Andre Fischer, Auteur ;
Holger Konle, Auteur
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The development of measurement techniques, which enable temporal and spatial highly resolved density investigations even in harsh environments, is essential. Rayleigh scattering is a noninvasive optical measurement technique permitting such inve[...]
Article : texte imprimé
N. Aretakis, Auteur ;
I. Roumeliotis, Auteur ;
K. Mathioudakis, Auteur
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A method giving the possibility for a more detailed gas path component fault diagnosis by exploiting the “zooming” feature of current performance modeling techniques is presented. A diagnostic engine performance model is the main tool that point[...]
Article : texte imprimé
Chemical looping combustion using the direct combustion of liquid metal in a gas turbine based cycle
Niall R. McGlashan, Auteur ;
Peter R. N. Childs, Auteur ;
Andrew L. Heyes, Auteur
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A combined cycle gas-turbine generating power and hydrogen is proposed and evaluated. The cycle embodies chemical looping combustion (CLC) and uses a Na based oxygen carrier. In operation, a stoichiometric excess of liquid Na is injected directl[...]
Article : texte imprimé
Alexandros Terzis, Auteur ;
Charilaos Kazakos, Auteur ;
Nikolaos Papadopoulos, Auteur
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The penetration of a jet of fluid into a traversal moving stream is a basic configuration of a wide range of engineering applications, such as film cooling and V/STOL aircrafts. This investigation examines experimentally the effect of blowing ra[...]
Article : texte imprimé
Imran Qureshi, Auteur ;
Arrigo Beretta, Auteur ;
Thomas Povey, Auteur
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This paper presents experimental measurements and computational predictions of surface and end wall heat transfer for a high-pressure (HP) nozzle guide vane operating as part of a full HP turbine stage in an annular rotating turbine facility, wi[...]
Article : texte imprimé
Luciano Andrea Catalano, Auteur ;
Fabio De Bellis, Auteur ;
Riccardo Amirante, Auteur
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Designing and manufacturing high-efficiency heat exchangers is usually considered a limiting factor in the development of gas turbines employing either heat recovery Joule–Brayton cycles or external combustion. In this work, an innovative heat e[...]
Article : texte imprimé
Luis San Andrés, Auteur ;
Ryu, Keun, Auteur ;
Tae Ho Kim, Auteur
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Established high temperature operation of gas foil bearings (GFB) is of great interest for gas turbine applications. The effects of (high) shaft temperature on the structural stiffness and mechanical energy dissipation parameters of a foil beari[...]
Article : texte imprimé
Teresa Berruti, Auteur ;
Christian M. Firrone, Auteur ;
Muzio M. Gola, Auteur
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This paper presents a static test rig called “Octopus” designed for the validation of numerical models aimed at calculating the nonlinear dynamic response of a bladed disk with underplatform dampers (UPDs). The test rig supports a bladed disk on[...]
Article : texte imprimé
Michael Flouros, Auteur ;
Francois Cottier, Auteur
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The aim of this paper is to investigate, first, the effects of screens introduced around bearings and, second, the use of protruded instead of flush installed vent pipes. The investigation focuses on the air and oil flow distributions and on the[...]
Article : texte imprimé
Nimrod Kapas, Auteur ;
Tariq Shamim, Auteur ;
Paul Laing, Auteur
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This paper presents a computational investigation of the effect of mass transfer on the performance of selective catalytic reduction (SCR) catalysts, which are employed to reduce NOx emissions from diesel engines. The paper employs a single-chan[...]
Article : texte imprimé
Jeonghoon Lee, Auteur
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Multiple injection strategies are being widely utilized to reduce the vibration, noise, and particle emission in diesel engines. A considerable amount of research related to attempts to increase the maximum power and to reduce vibration, noise, [...]
Article : texte imprimé
Caton, Patrick A., Auteur ;
Leonard J. Hamilton, Auteur ;
Jim S. Cowart, Auteur
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In order to better understand how future candidate diesel fuels may affect combustion characteristics in diesel engines, 21 pure component hydrocarbon fuels were tested in a single-cylinder diesel engine. These pure component fuels included norm[...]
Article : texte imprimé
Dung Ngoc Nguyen, Auteur ;
Hiroaki Ishida, Auteur ;
Masahiro Shioji, Auteur
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Alternative fuels exhibit potential as a clean fuel and suitable to address problems of energy security and environmental pollution. The main objective of this research was to provide the fundamental data of ignition delay and combustion charact[...]
Article : texte imprimé
Alexander Sappok, Auteur ;
Victor W. Wong, Auteur
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Diesel particulate filters (DPFs) have seen widespread use in on- and off-road applications as an effective means for meeting increasingly stringent particle emission regulations. Over time, incombustible material or ash, primarily derived from [...]
Article : texte imprimé
Michael Benz, Auteur ;
Markus Hehn, Auteur ;
Christopher H. Onder, Auteur
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This paper proposes a novel optimization method that allows a reduction in the pollutant emission of diesel engines during transient operation. The key idea is to synthesize optimal actuator commands using reliable models of the engine system an[...]
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