Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 4381-4400 of 9564
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The Effect of Iso-Octane Addition on Combustion and Emission Characteristics of a HCCI Engine Fueled With n-Heptane
(The American Society of Mechanical Engineers (ASME), 2011)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 ... -
Adaptive PID Cascade Control for Superheated Steam Temperature Based on Inverse Model
(The American Society of Mechanical Engineers (ASME), 2011)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 ... -
Conceptual Structure Design of High Temperature Isolation Valve for High Temperature Gas Cooled Reactor
(The American Society of Mechanical Engineers (ASME), 2011)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 ... -
Approximate Nonlinear Modeling and Feedback Linearization Control for Aeroengines
(The American Society of Mechanical Engineers (ASME), 2011)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 ... -
Measurement Selections for Multicomponent Gas Path Diagnostics Using Analytical Approach and Measurement Subset Concept
(The American Society of Mechanical Engineers (ASME), 2011)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 ... -
Optimum Sizing of the Prime Mover in a Medium Scale Gas Turbine CHP System
(The American Society of Mechanical Engineers (ASME), 2011)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. ... -
Identification of Rotordynamic Force Coefficients of a Metal Mesh Foil Bearing Using Impact Load Excitations
(The American Society of Mechanical Engineers (ASME), 2011)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 ... -
Exergoeconomic Analysis of an Advanced Zero Emission Plant
(The American Society of Mechanical Engineers (ASME), 2011)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. ... -
Oil Mist Eliminator Vessel Modifications for GE 7EA Gas Turbine
(The American Society of Mechanical Engineers (ASME), 2011)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. ... -
Impact of Orifice Angle Configurations on the Droplet Atomization Enhancement of Diesel Fuel in a Group-Hole Nozzle
(The American Society of Mechanical Engineers (ASME), 2011)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 ... -
The Brayton Cycle Using Real Air and Polytropic Component Efficiencies
(The American Society of Mechanical Engineers (ASME), 2011)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 ... -
A New Model for the Analysis and Simulation of Steam Turbines at Partial and Full Load
(The American Society of Mechanical Engineers (ASME), 2011)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, ... -
Effects of Combustion Chamber Geometry Deviations Upon Exit Temperature Profiles for Populations With Varied Service Limitations
(The American Society of Mechanical Engineers (ASME), 2011)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 ... -
Emissions From a Gas Turbine Sector Rig Operated With Synthetic Aviation and Biodiesel Fuel
(The American Society of Mechanical Engineers (ASME), 2011)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) ... -
Simulation Study of Advanced Variable Displacement Engine Coupled to Power-Split Hydraulic Hybrid Powertrain
(The American Society of Mechanical Engineers (ASME), 2011)The simulation based investigation of the variable displacement engine is motivated by a desire to enable unthrottled operation at part load, and hence eliminate pumping losses. The mechanism ... -
Soot Modeling for Advanced Control of Diesel Engine Aftertreatment
(The American Society of Mechanical Engineers (ASME), 2011)Diesel particulate filters (DPFs) are well assessed aftertreatment devices, equipping almost every modern diesel engine on the market to comply with today’s stringent emission standards. However, ... -
Optimization of a Stationary Diesel Engine Fuelled With Crude Rice Bran Oil Methyl Ester Using the Taguchi Method
(The American Society of Mechanical Engineers (ASME), 2011)In the present work an attempt was made to reduce the NOx emission of crude rice bran oil methyl ester (CRBOME) with a marginal increase in smoke density and decrease in brake thermal ... -
Cylindrical IEC Fusion Neutron Source for Broad Area NAA
(The American Society of Mechanical Engineers (ASME), 2011)The development of a unique long cylindrical neutron source for broad area neutron activation analysis (NAA) is presented. This source uses inertial electrostatic confinement (IEC) to produce ... -
FT8-3 Advanced Low Emissions Combustor Design
(The American Society of Mechanical Engineers (ASME), 2011)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 ... -
Single Versus Dual Recycle System Dynamics of High Pressure Ratio, Low Inertia Centrifugal Compressor Stations
(The American Society of Mechanical Engineers (ASME), 2011)Compression systems are designed and operated in a manner to eliminate or minimize the potential for surge, which is a dynamic instability that is very detrimental to the integrity of the ...