Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 4061-4080 of 9564
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Gas Turbine Emission Characteristics in Perfectly Premixed Combustion
(The American Society of Mechanical Engineers (ASME), 2012)In the present study, a simple perfectly premixed research burner was utilized at temperatures, pressures and residence times representative of an industrial gas turbine cycle to identify the ... -
Cylinder Liner in Ductile Cast Iron for High Loaded Combustion Diesel Engines
(The American Society of Mechanical Engineers (ASME), 2012)With the increase of combustion loading and the trend to reduce engine size, there is a need for thinner but stronger wet cylinder liners. While most of the current cylinder liners are made ... -
Measurement of Volatile Particulate Matter Emissions From Aircraft Engines Using a Simulated Plume Aging System
(The American Society of Mechanical Engineers (ASME), 2012)Aircraft exhaust contains nonvolatile (soot) particulate matter (PM), trace gas pollutants, and volatile PM precursor material. Nonvolatile soot particles are predominantly present at the engine ... -
Dry-Friction Whip and Whirl Predictions for a Rotor-Stator Model With Rubbing Contact at Two Locations
(The American Society of Mechanical Engineers (ASME), 2012)The present work investigates dry-friction whip and whirl phenomena for a rigid rotor contacting at two bearing locations. The idea originated with a paper by Clark et al. (2009, “Investigation ... -
Exploring Strategies for Reducing High Intake Temperature Requirements and Allowing Optimal Operational Conditions in a Biogas Fueled HCCI Engine for Power Generation
(The American Society of Mechanical Engineers (ASME), 2012)This paper evaluates strategies for reducing the intake temperature requirement for igniting biogas in homogeneous charge compression ignition (HCCI) engines. The HCCI combustion is a promising ... -
Real-Time Measurements of Engine-Out Trace Elements: Application of a Novel Soot Particle Aerosol Mass Spectrometer for Emissions Characterization
(The American Society of Mechanical Engineers (ASME), 2012)Lubricant-derived trace element emissions are the largest contributors to the accumulation of incombustible ash in diesel particulate filters (DPF), eventually leading to filter plugging and an ... -
Exhaust Emissions Characterization of a Turbocharged 2-Stroke Tier 0+ Locomotive Engine: NOx , Particulate Matter and Soluble Organic Fraction Composition
(The American Society of Mechanical Engineers (ASME), 2012)This study presents a detailed exhaust emission characterization of a 2-Stroke turbocharged line haul locomotive diesel engine fitted with an early-development Tier 0 + emissions kit. The objective ... -
Controlling Gasoline Low Temperature Combustion by Diesel Micro Pilot Injection
(The American Society of Mechanical Engineers (ASME), 2012)The simultaneous reduction of fuel consumption and pollutant emissions, namely NOx and soot, is the predominant goal in modern engine development. In this context, low temperature combustion ... -
The Effects of Fuel Characteristics on Stoichiometric Spark-Assisted HCCI
(The American Society of Mechanical Engineers (ASME), 2012)The characteristics of fuel lean homogeneous charge compression ignition (HCCI) operation using a variety of fuels are well known and have been demonstrated using different engine concepts in ... -
An Experimental and Modeling-Based Study Into the Ignition Delay Characteristics of Diesel Surrogate Binary Blend Fuels
(The American Society of Mechanical Engineers (ASME), 2012)This study examines the combustion characteristics of a binary mixture surrogate for possible future diesel fuels using both a single-cylinder research engine and a homogeneous reactor model using ... -
A Study of Heat Transfer Augmentation for Recuperative Heat Exchangers: Comparison Between Three Dimple Geometries
(The American Society of Mechanical Engineers (ASME), 2012)This study presents an investigation of the heat transfer augmentation for the purpose of obtaining high effectiveness recuperative heat exchangers for waste heat recovery. The focus of the ... -
Influence of Film Cooling Unsteadiness on Turbine Blade Leading Edge Heat Flux
(The American Society of Mechanical Engineers (ASME), 2012)Film cooling in the hot gas path of a gas turbine engine can protect components from the high temperature main flow, but it generally increases the heat transfer coefficient h partially ... -
A New, Iterative, Synchronous-Response Algorithm for Analyzing the Morton Effect
(The American Society of Mechanical Engineers (ASME), 2012)Morton Effect problems involve the steady increase in rotor synchronous-response amplitudes due to differential heating across a fluid-film bearing that is induced by synchronous response. The ... -
Use of Low/Mid-Temperature Solar Heat for Thermochemical Upgrading of Energy, Part I: Application to a Novel Chemically-Recuperated Gas-Turbine Power Generation (SOLRGT) System
(The American Society of Mechanical Engineers (ASME), 2012)This paper is the first part of a study presenting the concept of indirect thermochemical upgrading of low/mid temperature solar heat, and demonstration of its integration into a high efficiency ... -
Use of Low/Mid-Temperature Solar Heat for Thermochemical Upgrading of Energy, Part II: A Novel Zero-Emissions Design (ZE-SOLRGT) of the Solar Chemically-Recuperated Gas-Turbine Power Generation System (SOLRGT) guided by its Exergy Analysis
(The American Society of Mechanical Engineers (ASME), 2012)This paper adds an exergy analysis of the novel SOLRGT solar-assisted power generation system proposed and described in detail in Part I of this study (Zhang and Lior, 2012, “Use of ... -
Preliminary Experimental Results of Integrated Gasification Fuel Cell Operation Using Hardware Simulation
(The American Society of Mechanical Engineers (ASME), 2012)A newly developed integrated gasification fuel cell (IGFC) hybrid system concept has been tested using the Hybrid Performance (Hyper) project hardware-based simulation facility at the U.S. Department ... -
Aero-Thermodynamic Consideration of Single-Crystal-Silicon Premixed-Fuel Microscale Can Combustor
(The American Society of Mechanical Engineers (ASME), 2012)This paper describes the aero-thermodynamic design, microfabrication and combustion test results for a single-crystal-silicon premixed-fuel microscale can combustor. The combustion chamber volume is ... -
Large-Eddy Simulation of Flow and Convective Heat Transfer in a Gas Turbine Can Combustor With Synthetic Inlet Turbulence
(The American Society of Mechanical Engineers (ASME), 2012)Large eddy simulations of swirling flow and the associated convective heat transfer in a gas turbine can combustor under cold flow conditions for Reynolds numbers of 50,000 and 80,000 with a ... -
The Use of Perforated Damping Liners in Aero Gas Turbine Combustion Systems
(The American Society of Mechanical Engineers (ASME), 2012)This paper considers the use of perforated porous liners for the absorption of acoustic energy within aero style gas turbine combustion systems. The overall combustion system pressure drop means ... -
New Feature Extraction Method for the Detection of Defects in Rolling Element Bearings
(The American Society of Mechanical Engineers (ASME), 2012)This paper proposes a new method based on ensemble empirical mode decomposition (EEMD) and kurtosis criterion for the detection of defects in rolling element bearings. Some intrinsic mode functions ...