Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 5961-5980 of 9564
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Experimental Study of a Hydrogen-Fueled Engine
(The American Society of Mechanical Engineers (ASME), 2001)The Laboratory of Transport Technology (Ghent University) converted a GM/Crusader V-8 engine for hydrogen use. The engine is intended for the propulsion of a midsize hydrogen city bus for public ... -
Design and Performance Verification of a 62-MWt CFB Boiler
(The American Society of Mechanical Engineers (ASME), 2001)The present paper discusses the goals and methods of design of a circulating fluidized bed (CFB) boiler: A 62-MWt (75-T/h) CFB boiler was designed manually using experience and available published ... -
Determination of Propane and Air Maximum Mixing Times
(The American Society of Mechanical Engineers (ASME), 2001)The model of gaseous fuel and air mixing, developed by the authors, is applied here to calculate maximum mixing times of propane and air. The degree of mixing is determined using the mass ... -
Analysis and Modeling of the Fluid-Dynamic Effects in Branched Exhaust Junctions of ICE
(The American Society of Mechanical Engineers (ASME), 2001)The influence of exhaust junction geometry on flow-dynamics of exhaust gas is analyzed. The authors propose an experimental characterization method based on the measurement of the instantaneous ... -
Dynamic Optimization of Startup and Load-Increasing Processes in Power Plants—Part II: Application
(The American Society of Mechanical Engineers (ASME), 2001)In the first part of this study, a general method for solving dynamic optimization problems has been presented: the dynamic process model, consisting of first-order ordinary differential equations ... -
Dynamic Optimization of Startup and Load-Increasing Processes in Power Plants—Part I: Method
(The American Society of Mechanical Engineers (ASME), 2001)The fast startup and load-increasing process of power plants is a complex task involving several restrictions that have to be fulfilled simultaneously. An important restriction is the maximum ... -
Scroll Compressor Simulation Model
(The American Society of Mechanical Engineers (ASME), 2001)A computer model has been developed in Visual Basic which predicts the power, capacity, and efficiencies of a scroll compressor for given operating conditions and scroll designs. The operating ... -
Study of Using Oxygen-Enriched Combustion Air for Locomotive Diesel Engines
(The American Society of Mechanical Engineers (ASME), 2001)A thermodynamic simulation is used to study the effects of oxygen-enriched intake air on the performance and nitrogen oxide (NO) emissions of a locomotive diesel engine. The parasitic power of ... -
The Effect of Mean Turbulent Strain Rate on the Flame Speed of Premixed, Growing Flames
(The American Society of Mechanical Engineers (ASME), 2001)This paper presents a flame growth model based on experimental measurements of flame speed and mean turbulent strain rate. Methane/air mixtures of 0.7 and 0.9 equivalence ratios were centrally ... -
A Mechanism of Combustion Instability in Lean Premixed Gas Turbine Combustors
(The American Society of Mechanical Engineers (ASME), 2001)There has been increased demand in recent years for gas turbines that operate in a lean, premixed (LP) mode of combustion in an effort to meet stringent emissions goals. Unfortunately, detrimental ... -
An Experimental Investigation of the Effects of Common-Rail Injection System Parameters on Emissions and Performance in a High-Speed Direct-Injection Diesel Engine
(The American Society of Mechanical Engineers (ASME), 2001)An investigation of the effect of injection parameters on emissions and performance in an automotive diesel engine was conducted. A high-pressure common-rail injection system was used with a ... -
Fuel Composition Effects on Emissions From a Spark-Ignited Engine Operated on Simulated Biogases
(The American Society of Mechanical Engineers (ASME), 2001)Measurements are reported for a spark-ignited (SI) engine burning natural gas and three simulated biogas fuels (natural gas, CO2, and N2 mixtures). Exhaust concentrations of CO, CO2,O2,NOx, and ... -
Forced Convective Heat Transfer of Parallel-Mode Reciprocating Tube Fitted With a Twisted Tape With Application to Piston Cooling
(The American Society of Mechanical Engineers (ASME), 2001)This experimental study, motivated by the need to improve the cooling performance of a piston in a marine propulsive diesel engine, investigated turbulent flow heat transfer in a reciprocating ... -
In-Cylinder Tumble Flow Field Measurements and Predictions
(The American Society of Mechanical Engineers (ASME), 2001)This paper presents the comparison between measured and predicted results of the in-cylinder tumble flow generated by a port-valve-liner assembly on a steady-flow test bench. The purpose was to ... -
Laminar Burning Velocity of Methane–Air–Diluent Mixtures
(The American Society of Mechanical Engineers (ASME), 2001)An experimental facility for measuring burning velocity has been designed and built. It consists of a spherical constant volume vessel equipped with a dynamic pressure transducer, ionization ... -
Degradation in Gas Turbine Systems
(The American Society of Mechanical Engineers (ASME), 2001)Any prime mover exhibits the effects of wear and tear over time. The problem of predicting the effects of wear and tear on the performance of any engine is still a matter of discussion. ... -
Analysis of the Piston Ring/Liner Oil Film Development During Warm-Up for an SI-Engine
(The American Society of Mechanical Engineers (ASME), 2001)A one-dimensional ring-pack lubrication model developed at MIT is applied to simulate the oil film behavior during the warm-up period of a Kohler spark ignition engine. This is done by making ... -
Reduced-Order Nonlinear Dynamic Model of Coupled Shaft-Torsional and Blade-Bending Vibrations in Rotors
(The American Society of Mechanical Engineers (ASME), 2001)In this study, a reduced-order nonlinear dynamic model for shaft-disk-blade unit is developed. The multibody dynamic approach with the small deformation theory for both blade-bending and shaft-torsional ... -
Component-Mode-Based Reduced Order Modeling Techniques for Mistuned Bladed Disks—Part II: Application
(The American Society of Mechanical Engineers (ASME), 2001)In this paper, the component-mode-based methods formulated in the companion paper (Part I: Theoretical Models) are applied to the dynamic analysis of two example finite element models of bladed ... -
Component-Mode-Based Reduced Order Modeling Techniques for Mistuned Bladed Disks—Part I: Theoretical Models
(The American Society of Mechanical Engineers (ASME), 2001)Component mode synthesis (CMS) techniques are widely used for dynamic analyses of complex structures. Significant computational savings can be achieved by using CMS, since a modal analysis is ...