Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 4601-4620 of 9564
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Properties of Humid Air for Calculating Power Cycles
(The American Society of Mechanical Engineers (ASME), 2010)Accurate calculation algorithms for the thermodynamic and transport properties of humid air are required for modeling compressed air energy-storage power cycles and designing their individual ... -
On Damping Entire Bladed Disks Through Dampers on Only a Few Blades
(The American Society of Mechanical Engineers (ASME), 2010)The focus of this paper is on demonstrating the potential to damp entire bladed disks using dampers on only a fraction of the blades. This problem is first considered without the presence ... -
Tuning of the Acoustic Boundary Conditions of Combustion Test Rigs With Active Control: Extension to Actuators With Nonlinear Response
(The American Society of Mechanical Engineers (ASME), 2010)In the design process, new burners are generally tested in combustion test rigs. With these experiments, as well as with computational fluid dynamics, finite element calculations, and low-order ... -
Ethanol-Hydrocarbon Blend Vapor Prediction
(The American Society of Mechanical Engineers (ASME), 2010)In the volatile fuel price environment of today, the quest for alternative fuels has become a heavy and long term trend in power generation worldwide. Incorporating alternative fuels in gas ... -
Analytical Model to Predict Thermomechanical Relaxation of Shot Peening Induced Residual Stresses
(The American Society of Mechanical Engineers (ASME), 2010)Shot peening is widely used to improve the fatigue life of engine blades and rotors by inducing compressive residual stress on component surfaces. However, the residual stresses can relax due ... -
Design Overview of a Three Kilowatt Recuperated Ceramic Turboshaft Engine
(The American Society of Mechanical Engineers (ASME), 2010)A three kilowatt turboshaft engine with a ceramic recuperator and turbine has been designed for small unmanned air vehicle (UAV) propulsion and portable power generation. Compared with internal ... -
Nonparametric Stochastic Modeling of Uncertainty in Rotordynamics—Part II: Applications
(The American Society of Mechanical Engineers (ASME), 2010)In the first part of this series, a comprehensive methodology was proposed for the consideration of uncertainty in rotordynamic systems. This second part focuses on the application of this ... -
Blade Forcing Function and Aerodynamic Work Measurements in a High Speed Centrifugal Compressor With Inlet Distortion
(The American Society of Mechanical Engineers (ASME), 2010)Centrifugal compressors operating at varying rotational speeds, such as in helicopters or turbochargers, can experience forced response failure modes. The response of the compressors can be triggered ... -
Autoignition Delay Time Measurements of Methane, Ethane, and Propane Pure Fuels and Methane-Based Fuel Blends
(The American Society of Mechanical Engineers (ASME), 2010)Autoignition delay experiments in air have been performed in an atmospheric flow reactor using typical natural gas components, namely, methane, ethane, and propane. Autoignition delay measurements ... -
Nonparametric Stochastic Modeling of Uncertainty in Rotordynamics—Part I: Formulation
(The American Society of Mechanical Engineers (ASME), 2010)A systematic and rational approach is presented for the consideration of uncertainty in rotordynamics systems, i.e., in rotor mass and gyroscopic matrices, stiffness matrix, and bearing coefficients. ... -
Numerical Solution on Spherical Vacuum Bubble Collapse Using MPS Method
(The American Society of Mechanical Engineers (ASME), 2010)Single vacuum bubble collapse in subcooled water has been simulated using the moving particle semi-implicit (MPS) method in the present study. The liquid is described using moving particles, and ... -
Study on the Coupled Neutronic and Thermal-Hydraulic Characteristics of the New Concept Molten Salt Reactor
(The American Society of Mechanical Engineers (ASME), 2010)The new concept molten salt reactor is the only liquid-fuel reactor of the six Generation IV advanced nuclear energy systems. The liquid molten salt serves as the fuel and coolant simultaneously ... -
A Detailed and Reduced Reaction Mechanism of Biomass-Based Syngas Fuels
(The American Society of Mechanical Engineers (ASME), 2010)In the present work, the elaboration of a reduced kinetic reaction mechanism is described, which predicts reliably fundamental characteristic combustion properties of two biogenic gas mixtures ... -
Rotordynamic Stability Predictions for Centrifugal Compressors Using a Bulk-Flow Model to Predict Impeller Shroud Force and Moment Coefficients
(The American Society of Mechanical Engineers (ASME), 2010)An analysis is developed for a compressible bulk-flow model of the leakage path between a centrifugal-compressor impeller’s shroud and its housing along the impeller’s front and back sides. This ... -
Design, Development, Testing and Qualification of Diverse Safety Rod and Its Drive Mechanism for a Prototype Fast Breeder Reactor
(The American Society of Mechanical Engineers (ASME), 2010)Prototype fast breeder reactor is U–PuO2 fueled sodium cooled pool type fast reactor and it is currently under construction at Kalpakkam, India. Prototype fast breeder reactor is equipped with ... -
Photographic Study on Bubble Motion in Subcooled Pool Boiling
(The American Society of Mechanical Engineers (ASME), 2010)Using a static contact angle of a vertical heated wall as a main experimental parameter, a photographic study was carried out to elucidate the mechanisms to determine the vapor bubble dynamics ... -
Core Melt Solidification Characteristics in PRV Lower Head-Experimental Results From LIVE Tests
(The American Society of Mechanical Engineers (ASME), 2010)Core melt solidification phenomena in the lower plenum of pressurized reactor vessel during external reactor vessel cooling is investigated in late in-vessel phase experiment tests under different ... -
Effects of Pilot Fuel and Liner Cooling on the Flame Structure in a Full Scale Swirl-Stabilized Combustion Setup
(The American Society of Mechanical Engineers (ASME), 2010)The flame structure and the limits of operation of a lean premixed swirl flame were experimentally investigated under piloted and nonpiloted conditions. Flame stabilization and blow out limits ... -
Industry Practice for the Neutron Irradiation Embrittlement of Reactor Pressure Vessels in Japan
(The American Society of Mechanical Engineers (ASME), 2010)Neutron irradiation embrittlement of reactor pressure vessel steels (RPVs) is one of the important material aging issues. In Japan, almost 40 years have past since the first plant started its ... -
A Comparative Study of Single-Phase, Two-Phase, and Supercritical Natural Circulation in a Rectangular Loop
(The American Society of Mechanical Engineers (ASME), 2010)A one-dimensional theoretical model has been used to analyze the steady state and stability performance of a single-phase, two-phase, and supercritical natural circulation in a uniform diameter ...