Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 4741-4760 of 9564
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Fabrication Stresses in Graphite-Resin Composites
(The American Society of Mechanical Engineers (ASME), 1970)Residual thermal stresses are present in cross-plied graphite-epoxy composites due to the anisotropic thermal and mechanical properties of the individual layers. Experimental measurements and ... -
An Investigation of Annulus Wall Boundary Layers in Axial Flow Turbomachines
(The American Society of Mechanical Engineers (ASME), 1970)In the calculation of the flow in a turbomachine, empirical correction factors have previously been used to allow for the effect of the annulus wall boundary layers. A calculation method has ... -
Intra-Stator Transport of Rotor Wakes and Its Effect on Compressor Performance
(The American Society of Mechanical Engineers (ASME), 1970)The stagnation temperature profiles which have been observed recently downstream of the stators in high Mach number compressor stages are shown to be due to transport of the rotor wakes across ... -
The Transpiration-Cooled Gas Turbine
(The American Society of Mechanical Engineers (ASME), 1970)This paper describes a program of experimental and analytical research designed to evaluate the aerodynamic and thermodynamic performance of transpiration-cooled porous surfaces in the high-temperature ... -
Preliminary Design Analysis of Hot Gas Ducts for the Nuclear Hydrogen System
(The American Society of Mechanical Engineers (ASME), 2009)Korea Atomic Energy Research Institute is in the process of carrying out a nuclear hydrogen system by considering the indirect cycle gas cooled reactors that produce heat at temperatures in ... -
Experimental and Numerical Modeling of Transition Matrix From Momentum to Buoyancy-Driven Flow in a Pressurized Water Reactor
(The American Society of Mechanical Engineers (ASME), 2009)The influence of density differences on the mixing of the primary loop inventory and the emergency core cooling (ECC) water in the cold leg and downcomer of a pressurized water reactor (PWR) ... -
Inert Matrix Fuel Analysis by Means of the TRANSURANUS Code: The Halden IFA-652 In-Pile Test
(The American Society of Mechanical Engineers (ASME), 2009)Inert matrix fuels (IMFs) are a possible option to reduce separated plutonium stockpiles by burning it in light water reactor (LWR) fleet. A high burning efficiency targeted by preventing new ... -
Development of a Hybrid Turbulent Particle Dispersion Model and Implementation in the Gasflow Code
(The American Society of Mechanical Engineers (ASME), 2009)Dust mobilization in a vacuum vessel is one of the key issues endangering the security of the International Thermonuclear Experimental Reactor (ITER) in case of loss of vacuum accidents. The ... -
Effect of Hydrated Salt Additives on Film Boiling Behavior at Vapor Film Collapse
(The American Society of Mechanical Engineers (ASME), 2009)A high-temperature stainless steel sphere was immersed into various salt solutions to investigate film boiling behavior at vapor film collapse. The film boiling behavior around the sphere was ... -
Effects of Surface Tension on Two-Phase Void Drift Between Triangle Tight Lattice Subchannels
(The American Society of Mechanical Engineers (ASME), 2009)In this study, void drift phenomena, which are one of three components of the intersubchannel fluid transfer, have been investigated experimentally and analytically. In the experiments, data on ... -
On the Pressure Dependency of Physical Parameters in Case of Heat Transfer Problems of Supercritical Water
(The American Society of Mechanical Engineers (ASME), 2009)Studying heat transfer problems of supercritical water, the pressure dependency of thermophysical parameters (density, specific heat, viscosity, and thermal conductivity) and the work done by ... -
Computational Fluid Dynamics Assessment of the Local Hot Core Temperature in a Pebble-Bed Type Very High Temperature Reactor
(The American Society of Mechanical Engineers (ASME), 2009)Assessment of the local hot core temperature during normal operation in a pebble-bed type very high temperature reactor has been carried out by using the computational fluid dynamic (CFD) method ... -
Effects of Key Factors on the Engine Combustion Mode Switching Between HCCI and SI
(The American Society of Mechanical Engineers (ASME), 2009)A technical strategy for a rapid and smooth switching between spark ignition (SI) mode and homogeneous charge compression ignition (HCCI) mode on a gasoline direct injection engine has been ... -
Thermal-Design Options for Pressure-Channel SCWRS With Cogeneration of Hydrogen
(The American Society of Mechanical Engineers (ASME), 2009)Currently there are a number of Generation IV supercritical water-cooled nuclear reactor (SCWR) concepts under development worldwide. The main objectives for developing and utilizing SCWRs are (1) ... -
Three-Dimensional Computational Fluid Simulation of Diesel and Dual Fuel Engine Combustion
(The American Society of Mechanical Engineers (ASME), 2009)A 3D computational fluid dynamics model with a reduced detailed chemical kinetics of the combustion of diesel and methane fuels is developed while considering turbulence during combustion to ... -
Nonlinear Stochastic Dynamics, Chaos, and Reliability Analysis for a Single Degree of Freedom Model of a Rotor Blade
(The American Society of Mechanical Engineers (ASME), 2009)In turbomachinery, the analysis of systems subjected to stochastic or periodic excitation becomes highly complex in the presence of nonlinearities. Nonlinear rotor systems exhibit a variety of ... -
Three–Dimensional Transient Elastic Thermal Stress Field During Diesel Particulate Filter Regeneration
(The American Society of Mechanical Engineers (ASME), 2009)A displacement based 3D finite element model is developed to simulate thermal stress induced by high temperature and temperature gradient during diesel particulate filter (DPF) regeneration. The ... -
Measurements of Leakage and Power Loss in a Hybrid Brush Seal
(The American Society of Mechanical Engineers (ASME), 2009)Simplicity, low cost, and easy replacement make labyrinth seals the primary seal type in gas turbines. However, excessive leakage and potential for rotordynamic instability are well known issues. ... -
Measurements Versus Predictions for the Rotordynamic Characteristics of a Five-Pad Rocker-Pivot Tilting-Pad Bearing in Load-Between-Pad Configuration
(The American Society of Mechanical Engineers (ASME), 2009)Rotordynamic data are presented for a rocker-pivot tilting-pad bearing in the load-between-pad configuration for unit loads over the range 345–3101kPa and speeds over the range 4000–13,000rpm. The ... -
The Lean Mixture Operational Limits of a Spark Ignition Engine When Operated on Fuel Mixtures
(The American Society of Mechanical Engineers (ASME), 2009)The operation of spark ignition (SI) engines on lean mixtures is attractive, in principle, since it can provide improved fuel economy, reduced tendency to knock, and extremely low NOx emissions. ...