Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 2781-2800 of 9564
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Study of Energy Saving Potential of Electronically Controlled Turbocharger for Internal Combustion Engine Exhaust Gas Energy Recovery
(The American Society of Mechanical Engineers (ASME), 2016)To promote the energy utilization efficiency of internal combustion engine, the approach of electronically controlled turbocharger (ECT) for IC engine exhaust gas energy recovery was investigated by the method of test ... -
Forced Response Analysis of High Mode Vibrations for Mistuned Bladed Disks With Effective Reduced Order Models
(The American Society of Mechanical Engineers (ASME), 2016)This paper is focused on the analysis of effects of mistuning on the forced response of gas turbine engine bladed disks vibrating in the frequency ranges corresponding to higher modes. For high modes considered here, the ... -
Simulation and Experimental Investigation of Guide Vane Length to Improve the Performance of a Diesel Engine Run With Biodiesel
(The American Society of Mechanical Engineers (ASME), 2016)This research investigated the effect of guide vanes into the intake runner of a diesel engine run with higher viscous biodiesel to enhance the incylinder intake airflow characteristics. First, simulation of an internal ... -
Modeling Auto Ignition Transients in Reacting Diesel Jets
(The American Society of Mechanical Engineers (ASME), 2016)The objective of the present work is to establish a framework to design simple Arrhenius mechanisms for simulation of diesel engine combustion. The goal is to predict autoignition over a selected range of temperature and ... -
Defining the Thermodynamic Efficiency in a Wave Rotor
(The American Society of Mechanical Engineers (ASME), 2016)A wave rotor enhances the performance of a gas turbine with its internal compression and expansion, yet the thermodynamic efficiency estimation has been troubling because the efficiency definition is unclear. This paper ... -
A Diagnostic Technique for Particle Characterization Using Laser Light Extinction
(The American Society of Mechanical Engineers (ASME), 2016)Increased operations of aircraft, both commercial and military in hostile desert environments have increased the risk of microsized particle ingestion into engines. The probability of increased sand and dust ingestion ... -
Different Flame Patterns Linked With Swirling Injector Interactions in an Annular Combustor
(The American Society of Mechanical Engineers (ASME), 2016)Experiments in cold and reactive conditions carried out in linear arrays of injectors indicate that the flows established by neighboring injectors exhibit alternating patterns if the distance between two injectors is too ... -
Extending Lean and Exhaust Gas Recirculation Dilute Operating Limits of a Modern Gasoline Direct Injection Engine Using a Low Energy Transient Plasma Ignition System
(The American Society of Mechanical Engineers (ASME), 2016)The efficiency improvement and emissions reduction potential of lean and exhaust gas recirculation (EGR)dilute operation of sparkignition gasoline engines is well understood and documented. However, dilute operation is ... -
Fast Computation of Combustion Phasing and Its Influence on Classifying Random or Deterministic Patterns
(The American Society of Mechanical Engineers (ASME), 2016)The classification between a sequence of highly variable combustion events that have an underlying deterministic pattern and a sequence of combustion events with similar level of variability but random characteristics is ... -
Direct Torque Feedback for Accurate Engine Torque Delivery and Improved Powertrain Performance
(The American Society of Mechanical Engineers (ASME), 2016)At the present time, both control and estimation accuracies of engine torque are causes for underachieving optimal drivability and performance in today's production vehicles. The major focus in this area has been to enhance ... -
Capturing Cyclic Variability in Exhaust Gas Recirculation Dilute Spark Ignition Combustion Using Multicycle RANS
(The American Society of Mechanical Engineers (ASME), 2016)Dilute combustion is an effective approach to increase the thermal efficiency of sparkignition (SI) internal combustion engines (ICEs). However, high dilution levels typically result in large cycletocycle variations (CCV) ... -
Optimization of a Centrifugal Compressor Impeller for Robustness to Manufacturing Uncertainties
(The American Society of Mechanical Engineers (ASME), 2016)Compressor impellers for massmarket turbochargers are diecasted and machined with an aim to achieve high dimensional accuracy and acquire specific performance. However, manufacturing uncertainties result in dimensional ... -
A Study of Bulk Modulus, Entrained Air, and Dynamic Pressure Measurements in Liquids
(The American Society of Mechanical Engineers (ASME), 2016)Accurate static and dynamic pressure measurements in liquids, such as fuel, oil, and hydraulic fluid, are critical to the control and health monitoring of turbomachinery and aerospace systems. This work presents a theoretical ... -
The Influence of Diluent Gases on Combustion Properties of Natural Gas: A Combined Experimental and Modeling Study
(The American Society of Mechanical Engineers (ASME), 2016)Currently, new concepts for power generation are discussed, as a response to combat global warming due to CO2 emissions stemming from the combustion of fossil fuels. These concepts include new, lowcarbon fuels as well as ... -
Effect of the Fuel Injection Strategy on Diesel Particulate Filter Regeneration in a Single Cylinder Diesel Engine
(The American Society of Mechanical Engineers (ASME), 2016)Stringent emission regulations (e.g., Euro6) have forced automotive manufacturers to equip a diesel particulate filter (DPF) on diesel cars. Generally, postinjection is used as a method to regenerate the DPF. However, it ... -
A Numerical Simulation of Analysis of Backfiring Phenomena in a Hydrogen Fueled Spark Ignition Engine
(The American Society of Mechanical Engineers (ASME), 2016)Hydrogen utilization in spark ignition (SI) engines could reduce urban pollution including particulate matter as well as greenhouse gas emission. However, backfiring, which is an undesirable combustion process of intake ... -
Engine Capability Prediction for Spark Ignited Engine Fueled With Syngas
(The American Society of Mechanical Engineers (ASME), 2016)There are increasing interests in converting solid waste or lignocellulosic biomass into gaseous fuels and using reciprocating internal combustion engine to generate electricity. A widely used technique is gasification. ... -
Investigation on Flowfield Characteristics and Performance of Shock Vector Control Nozzle Based on Confined Transverse Injection
(The American Society of Mechanical Engineers (ASME), 2016)Shock vector controlling (SVC) nozzle, based on confined transverse injection and shock wave/boundary layer interaction, offers an alternative for future aircraft thrust vectoring (TV) exhausting system, due to its simple ... -
Numerical Analysis of Bladed Disk–Casing Contact With Friction and Wear
(The American Society of Mechanical Engineers (ASME), 2016)In order to increase the aerodynamic performances of their engines, aircraft engine manufacturers try to minimize the clearance between rotating and stationary parts in axial and centrifugal compressors. Consequently, the ... -
Development of a Methodology for Engine Performance Investigation Through Double Crankshaft Speed Measurement
(The American Society of Mechanical Engineers (ASME), 2016)Optimal combustion control has become a key factor in modern automotive applications to guarantee low engine out emissions and good driveability. To meet these goals, the engine management system has to guarantee an accurate ...