Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 6541-6560 of 9564
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Application of Rainbow Thermometry to the Study of Fuel Droplet Heat-Up and Evaporation Characteristics
(The American Society of Mechanical Engineers (ASME), 1997)Advanced, nonintrusive, laser-based diagnostics are being developed for simultaneously measuring the size, velocity, temperature, and instantaneous regression rates of vaporizing/burning fuel droplets ... -
Low NOx Premixed Combustion of MBtu Fuels in a Research Burner
(The American Society of Mechanical Engineers (ASME), 1997)The paper reports on the development and testing of a premix research burner for MBtu fuels. The burner has a quartz glass annular mixing section and a quartz, glass flame tube to allow ... -
The Prediction of Laminar Flame Speeds for Weak Mixtures
(The American Society of Mechanical Engineers (ASME), 1997)In a recent publication [3], the authors tentatively explored the prediction of propane flame speeds using the calculated burned gas temperature (Tb ) and the predicted flame extinction temperature ... -
Preliminary Gas Turbine Combustor Design Using a Network Approach
(The American Society of Mechanical Engineers (ASME), 1997)The preliminary design process of a gas turbine combustor often involves the use of cumbersome, geometry restrictive semi-empirical models. The objective of this analysis is the development of ... -
Emissions Characteristics of Liquid-Fueled Pilot Stabilized Lean Premixed Flames in a Tubular Premixer-Combustor
(The American Society of Mechanical Engineers (ASME), 1997)Global emissions of NOx in a liquid-fueled lean-premixed tubular combustor with a tubular premixer operating under atmospheric pressure are studied experimentally. The effects of equivalence ratio, ... -
Aircraft Gas Turbine Engine Fuel Pumping Systems in the 21st Century
(The American Society of Mechanical Engineers (ASME), 1997)Since their introduction, main engine fuel pumping systems for aircraft gas turbine engines have remained relatively unchanged. The main engine fuel pump has been an engine accessory gearbox ... -
Investigation of Wedge Probe Wall Proximity Effects: Part 1—Experimental Study
(The American Society of Mechanical Engineers (ASME), 1997)Conventional three-hole wedge probes fail to measure the correct static pressure when operating in close proximity to a wall or boundary through which the probe is inserted. The free-stream ... -
NOx Measurements for Combustor With Acoustically Controlled Primary Zone
(The American Society of Mechanical Engineers (ASME), 1997)Successful NOx measurements at the end of the primary zone of a small tubular combustor of conventional gas turbine design, employing acoustically controlled primary zone air-jet mixing processes, ... -
Influence of Microstructure and Heat-Treatment on Impact and Creep Properties of a Low Alloy CrMoV Turbine Steel
(The American Society of Mechanical Engineers (ASME), 1967)This investigation concerns the strongly scattering mechanical properties of a 17 MoV 84 creep resistant steel. Emphasis is laid on the effect on microstructure of heat-treatment. The mechanical ... -
Coupled Lagrangian Monte Carlo PDF–CFD Computation of Gas Turbine Combustor Flowfields With Finite-Rate Chemistry
(The American Society of Mechanical Engineers (ASME), 1997)A coupled Lagrangian Monte Carlo Probability Density Function (PDF)-Eulerian Computational Fluid Dynamics (CFD) technique is presented for calculating steady three-dimensional turbulent reacting flow ... -
Fuel Nozzle Aerodynamic Design Using CFD Analysis
(The American Society of Mechanical Engineers (ASME), 1997)The aerodynamic design of airflow passages in fuel injection systems can be significantly enhanced by the use of CFD analysis. Attempts to improve the efficiency of the fuel nozzle design ... -
Anchored CCD for Gas Turbine Combustor Design and Data Correlation
(The American Society of Mechanical Engineers (ASME), 1997)Correlations based on design database, combined with multidimensional computational combustion dynamics (CCD) models are used in the combustion design process. However, because of limitations in ... -
Structural Design and High-Pressure Test of a Ceramic Combustor for 1500°C Class Industrial Gas Turbine
(The American Society of Mechanical Engineers (ASME), 1997)A ceramic combustor for a 1500°C, 20 MW class industrial gas turbine was developed and tested. This combustor has a hybrid ceramic/metal structure. To improve the durability of the combustor, ... -
Structure of Airblast Sprays Under High Ambient Pressure Conditions
(The American Society of Mechanical Engineers (ASME), 1997)A single-velocity-component phase Doppler particle analyzer is used to survey and measure local variations in drop-size distributions and drop velocities in the nearnozzle region of a practical, ... -
A Technique to Achieve Uniform Stress Distribution in Compressive Creep Testing of Advanced Ceramics at High Temperatures
(The American Society of Mechanical Engineers (ASME), 1997)A technique to achieve stable and uniform uniaxial compression is offered for creep testing of advanced ceramic materials at elevated temperatures, using an innovative self-aligning load-train ... -
Fatigue Strength as a Function of Preloading in Dynamic Fatigue Testing of Glass and Ceramics
(The American Society of Mechanical Engineers (ASME), 1997)The solution of fatigue strength as a function of preloading in dynamic fatigue (constant stress-rate) testing was obtained analytically and numerically. The effect of preloading on dynamic fatigue ... -
Perspectives for the Liquid Phase Compression Gas Turbine
(The American Society of Mechanical Engineers (ASME), 1967)The possibility of performing a liquid phase compression in closed cycle gas turbine through the use of particular working fluids is discussed. From the results of calculations carried out for ... -
A New Experimental Method to Study Combined Fatigue of Actual Turbine Disk Mortise Teeth at Elevated Temperatures
(The American Society of Mechanical Engineers (ASME), 1997)This paper presents a new experimental system to study the L-HCCF of an actual turbine disk mortise teeth at elevated temperature, using an actual disk as experimental component. This system ... -
Temperature Estimation and Life Prediction of Turbine Blades Using Post-Service Oxidation Measurements
(The American Society of Mechanical Engineers (ASME), 1997)The depth of internal oxidation and nitridation from the surface of the 16 cooling holes in a first-stage turbine blade was measured by optical microscopy after 32,000 hours of service. Maximum ... -
Force Versus Current and Air Gap Calibration of a Double Acting Magnetic Thrust Bearing
(The American Society of Mechanical Engineers (ASME), 1997)Force versus current and air gap measurements were obtained for the actuator component of a double acting magnetic thrust bearing constructed from a powdered metal. Static force measurements ...