Transactions of the ASME . Journal of engineering for gas turbines and power, Vol. 133 N° 6. Journal of engineering for gas turbines and power - Juin 2011
| Titre : | Transactions of the ASME . Journal of engineering for gas turbines and power, Vol. 133 N° 6. Journal of engineering for gas turbines and power - Juin 2011 |
| Type de document : | Bulletin |
| Paru le : | 20/07/2011 |
Dépouillements
Article : texte imprimé
von Niessen, Konstantin, Auteur ;
Gindrat, Malko, Auteur
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Plasma spray-physical vapor deposition (PS-PVD) is a low pressure plasma spray technology recently developed by Sulzer Metco AG (Switzerland) to deposit coatings out of the vapor phase. PS-PVD is developed on the basis of the well established lo[...]
Article : texte imprimé
Marcus Herrmann, Auteur ;
Arienti, Marco, Auteur ;
Marios Soteriou, Auteur
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Atomizing liquids by injecting them into crossflows is a common approach in gas turbines and augmentors. Much of our current understanding of the processes resulting in atomization of the jets, the resulting jet penetration and spray drop size d[...]
Article : texte imprimé
Frédéric Boudy, Auteur ;
Daniel Durox, Auteur ;
Thierry Schuller, Auteur
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A recently developed nonlinear flame describing function (FDF) is used to analyze combustion instabilities in a system where the feeding manifold has a variable size and where the flame is confined by quartz tubes of variable length. Self-sustai[...]
Article : texte imprimé
A. Amato, Auteur ;
B. Hudak, Auteur ;
P. D'Carlo, Auteur
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Increasing concerns about climate change have encouraged interest in zero-CO2 emission hydrocarbon combustion techniques. In one approach, nitrogen is removed from the combustion air and replaced with another diluent, typically carbon dioxide or[...]
Article : texte imprimé
Flavio Cesar Cunha Galeazzo, Auteur ;
Donnert, Georg, Auteur ;
Peter Habisreuther, Auteur
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Computational fluid dynamics (CFD) has an important role in current research. While large eddy simulations (LES) are now common practice in academia, Reynolds-averaged Navier–Stokes (RANS) simulations are still very common in the industry. Using[...]
Article : texte imprimé
Altug M. Basol, Auteur ;
Philipp Jenny, Auteur ;
Mohamed Ibrahim, Auteur
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Hot streaks can cause localized hot spots on the blade surfaces in a high pressure turbine, increasing the heat load locally and even leading to material loss in regions such as the rotor blade tip. This study explores numerically the effect of [...]
Article : texte imprimé
François Gruselle, Auteur ;
Johan Steimes, Auteur ;
Patrick Hendrick, Auteur
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The Aero-Thermo-Mechanics (ATM) Department of ULB (Université Libre de Bruxelles) is developing an original system to pump and separate a two-phase flow. Many applications need to extract a certain phase of a multiphase flow: oil extraction, flo[...]
Article : texte imprimé
Luis San Andrés, Auteur ;
Ryu, Keun, Auteur ;
Tae Ho Kim, Auteur
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Implementation of gas foil bearings (GFBs) into micro gas turbines requires careful thermal management with accurate measurements verifying model predictions. This two-part paper presents test data and analytical results for a test rotor and GFB[...]
Article : texte imprimé
Luis San Andrés, Auteur ;
Ryu, Keun, Auteur ;
Tae Ho Kim, Auteur
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Implementation of gas foil bearings (GFBs) in microgas turbines relies on physics based computational models anchored to test data. This two-part paper presents test data and analytical results for a test rotor and GFB system operating hot. A co[...]
Article : texte imprimé
Gloeckner, Peter, Auteur ;
Dullenkopf, Klaus, Auteur ;
Michael Flouros, Auteur
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Operating conditions in high speed mainshaft ball bearings applied in new aircraft propulsion systems require enhanced bearing designs and materials. Rotational speeds, loads, demands on higher thrust capability, and reliability have increased c[...]
Article : texte imprimé
Oh, Seungsuk, Auteur ;
Junsoo Kim, Auteur ;
Oh, Byounggul, Auteur
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An in-cylinder pressure-based control method is capable of improving engine performance, as well as reducing harmful emissions. However, this method is difficult to be implemented in a conventional engine management system due to the excessive d[...]
Article : texte imprimé
M. V. J. J. Suresh, Auteur ;
K. S. Reddy, Auteur ;
Ajit Kumar Kolar, Auteur
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Thermodynamic optimization of power plants based on supercritical (SupC) and ultrasupercritical (USC) steam parameters is reported in this article. The objective is to compute the maximum attainable power plant efficiency in Indian climatic cond[...]
Article : texte imprimé
Punit Singh, Auteur ;
Franz Nestmann, Auteur
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A consolidated model for the turbine operation of centrifugal pumps comprising accurate prediction, optimum selection, and rigorous evaluation has been the primary need and the most challenging tasks for the industry to deal with. This paper int[...]
Article : texte imprimé
Dominique Hittner, Auteur ;
Carmen Angulo, Auteur ;
Virginie Basini, Auteur
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It is already 10 years since the (European) High Temperature Reactor Technology Network (HTR-TN) launched a program for development of HTR technology, which expanded through three successive Euratom framework programs, with many projects in line[...]
Article : texte imprimé
Yasuyuki Nakamura, Auteur ;
Kazuya Sano, Auteur ;
Yoshitugu Morishita, Auteur
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The abrasive water jet (AWJ), is to shoot the abrasive mixed with high-pressure water to the material for cutting, can cut most materials, such as metals and concretes in water with long stand-off means the length from the cutting head to the ma[...]
Article : texte imprimé
M. T. F. Owen, Auteur ;
D. G. Kröger, Auteur
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The development of an efficient and reliable method of evaluating the performance of an air-cooled steam condenser (ACC) under windy conditions using computational fluid dynamics (CFD) is presented. A two-step modeling approach is employed as a [...]
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