Transactions of the ASME . Journal of engineering for gas turbines and power, Vol. 133 N° 11. Journal of engineering for gas turbines and power: Transactions of the ASME - Novembre 2011
| Titre : | Transactions of the ASME . Journal of engineering for gas turbines and power, Vol. 133 N° 11. Journal of engineering for gas turbines and power: Transactions of the ASME - Novembre 2011 |
| Type de document : | Bulletin |
| Paru le : | 16/01/2012 |
Dépouillements
Article : texte imprimé
Urmila C. Reddy, Auteur ;
Christine E. Blanchard, Auteur ;
Barry C. Schlein, Auteur
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Pratt and Whitney developed a novel water-injected industrial gas turbine combustor liner design that has demonstrated significant reduction in CO emissions when compared with typical film-cooled combustor designs. The CO reduction demonstrated [...]
Article : texte imprimé
Greg Pucher, Auteur ;
William Allan, Auteur ;
Marc LaViolette, Auteur
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Differences in exhaust emissions, smoke production, exhaust pattern factor, deposit buildup, and fuel nozzle spray characteristics for various blends of conventional commercial jet fuel (Jet A-1) with synthetic and biodiesel formulations were in[...]
Article : texte imprimé
Clayton Kotzer, Auteur ;
Marc LaViolette, Auteur ;
William Allan, Auteur
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The purpose of this continuing research was to investigate the effects of combustion chamber geometry on exit temperature fields using a validated ambient pressure test rig. Rig test conditions were set to simulate an engine operating condition [...]
Article : texte imprimé
This paper aims to develop an applicable nonlinear control technique for aeroengines. An approximate nonlinear model is presented and a rational identification procedure is given. Exact input-output feedback linearization can be easily performed[...]
Article : texte imprimé
Zhijie Wang, Auteur ;
Guangjun Wang, Auteur ;
Chen, Hong, Auteur
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Since the superheated steam temperature system of boiler in thermal power plant is characterized as time varying and nonlinear, it is hard to achieve a satisfactory performance by the conventional proportional-integral-derivative (PID) cascade c[...]
Article : texte imprimé
Mohd Shahrizal Jasmani, Auteur ;
Yi-Guang Li, Auteur ;
Zaharudin Ariffin, Auteur
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Gas path analysis (GPA) is a powerful tool to predict gas turbine degradations based on measurement parameters of gas turbine engines. Accordingly, prudent measurement selections are crucial to ensure accurate GPA predictions. This paper is inte[...]
Article : texte imprimé
W. H. Heiser, Auteur ;
T. Huxley, Auteur ;
J. W. Bucey, Auteur
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This paper presents the results of a fundamental, comprehensive, and rigorous analytical and computational examination of the performance of the Brayton propulsion and power cycle employing real air as the working fluid. This approach capitalize[...]
Article : texte imprimé
Mehdi Aghaei Meybodi, Auteur ;
Masud Behnia, Auteur
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Optimum selection of prime movers in combined heat and power (CHP) systems is of crucial importance due to the fact that inappropriate choices reduce the benefits of CHP systems considerably. In the selection procedure, the performance character[...]
Article : texte imprimé
Steve Ingistov, Auteur ;
Roger Cusack, Auteur ;
Rakesh Bhargava, Auteur
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With any rotating machinery as lube oil leaves bearings, a certain amount of lube oil is aerated, resulting in the formation of a mist of very small size (less than 1 µm diameter) particles. If oil mist elimination system is not sized and design[...]
Article : texte imprimé
Luis San Andrés, Auteur ;
Thomas Abraham Chirathadam, Auteur
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Metal mesh foil bearings (MMFBs) are inexpensive compliant gas bearing type that aim to enable high speed, high temperature operation of small turbomachinery. A MMFB with an inner diameter of 28.00 mm and length of 28.05 mm is constructed with l[...]
Article : texte imprimé
Cosmin E. Dumitrescu, Auteur ;
Hongsheng Guo, Auteur ;
Vahid Hosseini, Auteur
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This paper investigates the effects of iso-octane addition on the combustion and emission characteristics of a single-cylinder, variable compression ratio, homogeneous charge compression ignition (HCCI) engine fueled with n-heptane. The engine w[...]
Article : texte imprimé
Hyun Kyu Suh, Auteur ;
Chang Sik Lee, Auteur
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This paper presents the effect of orifice configuration on the droplet atomization characteristics of diesel fuel injected through different types of group-hole nozzle angles, which are converged (theta=−3 deg), parallel (theta=0 deg), and div[...]
Article : texte imprimé
Fontina Petrakopoulou, Auteur ;
George Tsatsaronis, Auteur ;
Tatiana Morosuk, Auteur
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In this paper, an advanced zero emission plant using oxy-fuel combustion is presented and compared with a reference plant (a) without CO2 capture and (b) with CO2 capture via chemical absorption. A variation of the oxy-fuel plant with a lower CO[...]
Article : texte imprimé
Mario Álvarez Fernández, Auteur ;
Cristina Alonso-Tristán, Auteur
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A model is described that studies the behavior of a steam turbine on the basis of the law of conservation of energy even under wet-steam conditions at particular points in time. Initially, the hypothesis that steam expansion follows a polytropic[...]
Article : texte imprimé
Shoji Takada, Auteur ;
Kenji Abe, Auteur ;
Yoshiyuki Inagaki, Auteur
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The high temperature isolation valve (HTIV) is a key component to assure the safety of a high temperature gas cooled reactor connected with a hydrogen production system for protections of radioactive material release from the reactor to the hydr[...]
Article : texte imprimé
David P. Gardiner, Auteur ;
Greg R. Pucher, Auteur ;
William D. Allan, Auteur
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There is interest in measuring the engine-out particulate emissions from diesel engines in real time in order to optimize the engine control strategies such as exhaust gas recirculation (EGR) and monitor the loading of the particulate filter. Th[...]
Article : texte imprimé
Zhigang Li, Auteur ;
Jun Li, Auteur ;
Xin Yan, Auteur
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Effects of pressure ratio and rotational speed on the leakage flow and cavity pressure characteristics of the rotating staggered labyrinth seal were investigated by means of experimental measurements and numerical simulations. The rotating seal [...]
Article : texte imprimé
Sreenath B. Gupta, Auteur ;
Bipin Bihari, Auteur ;
Munidhar Biruduganti, Auteur
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A single-cylinder natural gas fueled engine equipped with an exhaust gas recirculation (EGR) system was ignited using a laser. The broadband emission from the spark kernel was spectrally resolved, and the peaks corresponding to Halpha, N, and O [...]
Article : texte imprimé
Carmen Sescu, Auteur ;
Bogdan R. Kucinschi, Auteur ;
Abdollah A. Afjeh, Auteur
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In this work, a rotary atomizer, referred to as a slinger injector, is investigated. An experimental setup has been designed to model the environment of the combustion chamber, and an optical measurement system has been implemented to analyze th[...]
Article : texte imprimé
Shawn Rodgers, Auteur ;
Coral Betancourt, Auteur ;
Ernie Kee, Auteur
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The solution to a Markov chain modeling electric power supply to critical equipment in a typical four-loop pressurized water reactor following a loss of offsite power event is compared with a convolution method. The standard “convolution integra[...]
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