Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 6161-6180 of 9564
-
Formaldehyde Formation in Large Bore Natural Gas Engines Part 1: Formation Mechanisms
(The American Society of Mechanical Engineers (ASME), 2000)Recent testing of exhaust emissions from large bore natural gas engines has indicated that formaldehyde (CH2O) is present in amounts that are significant relative to hazardous air pollutant ... -
Performance Simulation of Sequentially Turbocharged Marine Diesel Engines With Applications to Compressor Surge
(The American Society of Mechanical Engineers (ASME), 2000)This paper presents the SELENDIA code designed for the simulation of marine diesel engines. Various measured and simulated results are compared for the performance of a sequentially turbocharged ... -
The Separation Between Turbulence and Mean Flow in ICE LDV Data: The Complementary Point-of-View of Different Investigation Tools
(The American Society of Mechanical Engineers (ASME), 2000)LDV measurements have been taken in a disc chamber four-stroke reciprocating engine under motoring conditions. Two non-simultaneous velocity components have been recorded at three different locations ... -
Comparisons of Diesel Spray Liquid Penetration and Vapor Fuel Distributions With In-Cylinder Optical Measurements
(The American Society of Mechanical Engineers (ASME), 2000)The performance of two spray models for predicting liquid and vapor fuel distribution, combustion and emissions is investigated. The model predictions are compared with extensive data from ... -
Influence of the Exhaust System Design on Scavenging Characteristic and Emissions of a Four-Cylinder Supercharged Engine
(The American Society of Mechanical Engineers (ASME), 2000)A four-stroke four-cylinder turbocharged engine can be fitted with two different types exhaust system: a simple common manifold fed by all cylinders, or a twin-branch manifold, where two selected ... -
Royal Navy Experience of Propulsion Gas Turbines and How and Why This Experience is Being Incorporated Into Future Designs
(The American Society of Mechanical Engineers (ASME), 2000)The Royal Navy (RN) has in-service experience of both marinized industrial and aero derivative propulsion gas turbines since the late 1940s. Operating through a Memorandum of Understanding (MOU) ... -
A Probabilistic Approach to Engine Balance
(The American Society of Mechanical Engineers (ASME), 2000)The paper presents an original probabilistic model of the balance of internal combustion engines. The model considers the manufacturing tolerances and predicts the most probable value of the ... -
Experimental Investigation of Adaptive Control Applied to HSFD Supported Rotors
(The American Society of Mechanical Engineers (ASME), 2000)This paper describes the experimental application of adaptive control to Hybrid Squeeze Film Damper (HSFD) supported rotors. The HSFD has been shown to be an adaptive damper capable of providing ... -
Review of Power Cylinder Friction for Diesel Engines
(The American Society of Mechanical Engineers (ASME), 2000)Power cylinder friction is a major contributor to overall engine friction. For engines of the future to become more fuel efficient it will be necessary to reduce power cylinder friction. To ... -
Validation of a New TVD Scheme Against Measured Pressure Waves in the Inlet and Exhaust System of a Single Cylinder Engine
(The American Society of Mechanical Engineers (ASME), 2000)Recently a new TVD scheme was presented by the authors and a comparison was made with other algorithms for two engine related test cases (the shock tube and the tapered pipe). It was shown ... -
Detailed Experimental Studies of Flow in Large Scale Brush Seal Model and a Comparison With CFD Predictions
(The American Society of Mechanical Engineers (ASME), 2000)A five times scale model of an engine brush seal has been manufactured. The bristle stiffness and pressure were chosen to satisfy close similarity of the relevant non-dimensional parameters, ... -
Predicted Effects of Cylinder Kit Wear on Blowby and Oil Consumption for Two Diesel Engines
(The American Society of Mechanical Engineers (ASME), 2000)Durability is very important for current diesel engines. Diesel engine manufacturers are trying to make the engines live as long as possible before overhaul. The time to overhaul for an engine ... -
Advantages of the LV100 as a Power Producer in a Hybrid Propulsion System for Future Fighting Vehicles
(The American Society of Mechanical Engineers (ASME), 2000)The core of any hybrid propulsion system is a high power density, low weight, and fuel efficient electric energy producer. The LV100 recuperated turbine engine is such a system. This engine ... -
Comparison of Algorithms for Unsteady Flow Calculations in Inlet and Exhaust Systems of IC Engines
(The American Society of Mechanical Engineers (ASME), 2000)A comparison of different numerical algorithms used in commercial codes for the calculation of the one-dimensional unsteady flow in the pipes of the inlet and exhaust systems of internal ... -
Experimental and Numerical Studies of Two-Stage Ethane-Air Flames
(The American Society of Mechanical Engineers (ASME), 2000)This paper reports results of experimental and numerical investigations on ethane-air two-stage combustion in a counterflow burner where the fuel stream, which is partially premixed with air for ... -
Key Durability Issues With Mullite-Based Environmental Barrier Coatings for Si-Based Ceramics
(The American Society of Mechanical Engineers (ASME), 2000)Plasma-sprayed mullite (3Al2O3⋅2SiO2) and mullite/yttria-stabilized-zirconia (YSZ) dual layer coatings have been developed to protect silicon-based ceramics from environmental attack. Mullite-based ... -
Thermoeconomic Analysis of Gas Turbine Based Cycles
(The American Society of Mechanical Engineers (ASME), 2000)The thermoeconomic analysis of gas turbine based cycles is presented and discussed in this paper. The thermoeconomic analysis has been performed using the ThermoEconomic Modular Program (TEMP ... -
Improved Operating Efficiency Through the Use of Stabilized Thermocouples
(The American Society of Mechanical Engineers (ASME), 2000)The development of a “stabilized” temperature sensor has led to significant increases in turbine operating efficiency by maximizing output when compared with present sensor technology. These ... -
A New Probabilistic Approach for Accurate Fatigue Data Analysis of Ceramic Materials
(The American Society of Mechanical Engineers (ASME), 2000)Statistical methods for the design of ceramic components for time-dependent failure modes have been developed that can significantly enhance component reliability, reduce baseline data generation ... -
Power Systems Development Facility: High Temperature, High Pressure Filter System Operations in a Combustion Gas1
(The American Society of Mechanical Engineers (ASME), 2000)The Power Systems Development Facility (PSDF) is a Department of Energy (DOE) sponsored engineering scale demonstration of two advanced coal-fired power systems. Particulate cleanup is achieved ...