Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 5441-5460 of 9564
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Aircraft Turbofan Engine Health Estimation Using Constrained Kalman Filtering
(The American Society of Mechanical Engineers (ASME), 2005)Kalman filters are often used to estimate the state variables of a dynamic system. However, in the application of Kalman filters some known signal information is often either ignored or dealt ... -
Conceptual Design and Cooling Blade Development of 1700°C Class High-Temperature Gas Turbine
(The American Society of Mechanical Engineers (ASME), 2005)In this paper we describe the conceptual design and cooling blade development of a 1700°C-class high-temperature gas turbine in the ACRO-GT-2000 (Advanced Carbon Dioxide Recovery System of ... -
Integrated Pyrolysis Regenerated Plant (IPRP): An Efficient and Scalable Concept for Gas Turbine Based Energy Conversion From Biomass and Waste
(The American Society of Mechanical Engineers (ASME), 2005)A massive effort towards sustainability is necessary to prevent global warming and energy sources impoverishment: both biomass and waste to energy conversion may represent key actions to reach ... -
Experimental Study of Surface and Interior Combustion Using Composite Porous Inert Media
(The American Society of Mechanical Engineers (ASME), 2005)Combustion using silicon carbide coated, carbon–carbon composite porous inert media (PIM) was investigated. Two combustion modes, surface and interior, depending upon the location of flame ... -
Transient Analysis of and Control System for Advanced Cycles Based on Micro Gas Turbine Technology
(The American Society of Mechanical Engineers (ASME), 2005)Microturbines have a less complex mechanical design than large-size gas turbines that should make it possible to fit them with a more straightforward control system. However, these systems have ... -
Flow and Thermal Field Measurements in a Combustor Simulator Relevant to a Gas Turbine Aeroengine
(The American Society of Mechanical Engineers (ASME), 2005)The current demands for high performance gas turbine engines can be reached by raising combustion temperatures to increase power output. Predicting the performance of a combustor is quite ... -
Dr. Max Bentele—Pioneer of the Jet Age
(The American Society of Mechanical Engineers (ASME), 2005)This paper documents the pioneering work of Dr. Max Bentele during his long and distinguished career in Germany, the UK, and the United States. His early work on turbojets at the Heinkel-Hirth ... -
The Use of Helmholtz Resonators in a Practical Combustor
(The American Society of Mechanical Engineers (ASME), 2005)The drive to reduce emissions has led to the development of lean premixed combustors. However, lean premixed combustion is often associated with combustion oscillations which can be so severe ... -
Surface-Stabilized Fuel Injectors With Sub-Three PPM NOx Emissions for a 5.5 MW Gas Turbine Engine
(The American Society of Mechanical Engineers (ASME), 2005)ALZETA Corporation has developed surface-stabilized fuel injectors for use with lean premixed combustors which provide extended turndown and ultralow NOx emission performance. These injectors use ... -
Unique Challenges for Bolted Joint Design in High-Bypass Turbofan Engines
(The American Society of Mechanical Engineers (ASME), 2005)Bolted joints are used at numerous locations in the rotors and carcass structure of modern aircraft turbine engines. This application makes the design criteria and process substantially different ... -
Detailed Investigation of Heat Flux Measurements Made in a Standard Propane-Air Fire-Certification Burner Compared to Levels Derived From a Low-Temperature Analog Burner
(The American Society of Mechanical Engineers (ASME), 2005)This paper presents detailed heat flux measurements on a flat plate subjected to the ISO2685 [The International Organization for Standardization (ISO), 1992, “Aircraft—Environmental Conditions and ... -
Perturbations Methods in Structural Dynamics and Applications to Cyclic Symmetric Domains
(The American Society of Mechanical Engineers (ASME), 2005)The design of components must take into account the irregularities inherent to the manufacturing process. When the structures have close eigenvalues, small mass and stiffness variations or the ... -
Modeling of MEMS-Type Rankine Cycle Machines
(The American Society of Mechanical Engineers (ASME), 2005)Preliminary design and performance calculations for a silicon-based micro Rankine machine are discussed. The designs considered draw heat from a high temperature air stream with inlet temperatures ... -
Influence of Pulsating Flow on Close-Coupled Catalyst Performance
(The American Society of Mechanical Engineers (ASME), 2005)Close coupling of automotive three-way catalytic converters is becoming a common practice in order to reduce pollutant emissions during cold start. In such applications, the exhaust gas mass ... -
Conjugate Flow and Heat Transfer Investigation of a Turbo Charger
(The American Society of Mechanical Engineers (ASME), 2005)In this paper a three-dimensional conjugate calculation has been performed for a passenger car turbo charger. The scope of this work is to investigate the heat fluxes in the radial compressor, ... -
Applying Thermodynamics in Search of Superior Engine Efficiency
(The American Society of Mechanical Engineers (ASME), 2005)Historically, a succession of thermodynamic processes has been used to idealize the operating cycles of internal combustion engines. In this study, the 256 possible combinations of four reversible ... -
Recent Developments in Turbomachinery Modeling for Improved Balancing and Vibration Response Analysis
(The American Society of Mechanical Engineers (ASME), 2005)Present day turbogenerator installations are statically indeterminate rotor-bearing-foundation systems utilizing nonlinear hydrodynamic bearings. For optimal balancing and diagnostic purposes it is ... -
Investigation of Three-Dimensional Stress Fields and Slip Systems for fcc Single-Crystal Superalloy Notched Specimens
(The American Society of Mechanical Engineers (ASME), 2005)Metals and their alloys, except for a few intermetallics, are inherently ductile, i.e., plastic deformation precedes fracture in these materials. Therefore, resistance to fracture is directly ... -
Frequency Response Analysis of an Actively Lubricated Rotor/Tilting-Pad Bearing System
(The American Society of Mechanical Engineers (ASME), 2005)In the present paper, the dynamic response of a rotor supported by an active lubricated tilting-pad bearing is investigated in the frequency domain. The theoretical part of the investigation ... -
Cogenerative Below Ambient Gas Turbine (BAGT) Performance With Variable Thermal Power
(The American Society of Mechanical Engineers (ASME), 2005)The use of gas turbine and combined cycle power plants for thermal and electric power generation is, nowadays, a consolidated technology. Moreover, the employment of combined heat and power ...