Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 2741-2760 of 9564
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Experimental Evaluation of the Effects of a Blunt Leading Edge on the Performance of a Transonic Rotor
(The American Society of Mechanical Engineers (ASME), 1973)A rotor designed for a tip relative Mach number of 1.4 and a pressure ratio of 1.8 was tested with two different leading edge configurations, to evaluate experimentally the effects of leading ... -
Clean Fluid Fuels From Coal and Wastes
(The American Society of Mechanical Engineers (ASME), 1973)The paper discusses the need for substitute supplies of the clean fuels, gas, and oil, Processes which are being developed to meet that need—coal-to-gas, coal-to-oil, wastes-to-gas, and ... -
The Use of a Finite Difference Technique to Predict Cascade, Stator, and Rotor Deviation Angles and Optimum Angles of Attack
(The American Society of Mechanical Engineers (ASME), 1973)This paper develops a method of using a quasi-three-dimensional finite difference (blade to blade) flow program to predict deviation angle. The work discussed herein was accomplished in support ... -
Effectiveness and Heat Transfer With Full-Coverage Film Cooling
(The American Society of Mechanical Engineers (ASME), 1973)The paper presents experimental results for performance of full-coverage film cooled surfaces. Effectiveness and heat transfer are measured on plane surfaces with discrete injection through the ... -
Analysis of Power Plant Deaerator Under Transient Turbine Loads
(The American Society of Mechanical Engineers (ASME), 1973)In recent years, mechanical failure of trays and structural damage to steel members inside deaerating sections of power plant deaerators have been encountered during transient load operation of ... -
Results of the Stack Emissions Tests at the New Chicago Northwest Incinerator
(The American Society of Mechanical Engineers (ASME), 1973) -
Review of Compressible Flow Theories for Airfoil Cascades
(The American Society of Mechanical Engineers (ASME), 1973)Solutions to the direct problem of subsonic flow calculation for cascades are first reviewed and the existing techniques are classified into series, iterative, matrix, and streamline curvature ... -
Evaluation of Additives for Prevention of High Temperature Corrosion of Superalloys in Gas Turbines
(The American Society of Mechanical Engineers (ASME), 1973)A number of commercially available chemical additives for utilization in modern high temperature gas turbines were evaluated for their corrosion and deposit inhibiting characteristics. The evaluation ... -
Investigation of the Aerodynamic Performance of Small Axial Turbines
(The American Society of Mechanical Engineers (ASME), 1973)This paper describes results of an experimental investigation of small axial turbine performance characteristics. Included are test data on the effects of the following design variables on small ... -
Effect of Rotor Design Tip Speed on Aerodynamic Performance of a Model VTOL Lift Fan Under Static and Crossflow Conditions
(The American Society of Mechanical Engineers (ASME), 1973)Results are presented for a wind tunnel investigation of three single VTOL lift fan stages designed for the same overall total pressure ratio at different rotor tip speeds. The stages were ... -
Reduction of Nitrogen Oxide Emissions From a Gas Turbine Combustor by Fuel Modifications
(The American Society of Mechanical Engineers (ASME), 1973)A broad experimental program was undertaken to assess the feasibility of reducing NOx from aircraft gas turbine engines by fuel modifications (additives and/or treatments). The modifications were ... -
Calculation of Temperature Distribution in Multistage Axial Gas Turbine Rotor Assemblies When Blades Are Uncooled
(The American Society of Mechanical Engineers (ASME), 1973)Calculation of the temperature distribution in the turbine rotor of the axial gas turbine engine is an essential preliminary to a meaningful calculation of the stress distribution and the ... -
Numerical Representation of Inlet and Exit Boundary Conditions in Transient Cascade Flow
(The American Society of Mechanical Engineers (ASME), 1973)An important building block in the development of finite difference time dependent techniques for mixed supersonic-subsonic flow calculation is the treatment of the inlet and exit boundary ... -
Some Effects of Variable Surface Temperature on Heat Transfer to a Partially Porous Flat Plate
(The American Society of Mechanical Engineers (ASME), 1973)Based on a simple enthalpy thickness approach, results are presented for laminar and turbulent heat transfer to a partially porous, nonisothermal flat plate. The model employed accounts for ... -
Multizone Phenomenological Modeling of Combustion and Emissions for Multiple Injection Common Rail Direct Injection Diesel Engines
(The American Society of Mechanical Engineers (ASME), 2016)Common rail direct injection (CRDI) system is a modern variant of direct injection diesel engine featuring higher fuel injection pressure and flexible injection scheduling which involves two or more pulses. Unlike a ... -
Influence of Injection Angle and Valve Opening Manner on Mixing Performance in a Large Bore Port Fuel Injection Compressed Natural Gas Fueled Engine
(The American Society of Mechanical Engineers (ASME), 2016)One new kind of gas injection devices (GIDs), with movingcoil electromagnetic linear actuator (MCELA) and mushroomtype poppet valve, was projected to inject sufficient compressed natural gas (CNG) to a largebore port fuel ... -
Comparison of the Sensitivity to Foreign Particle Ingestion of the GE F101 and P/W F100 Engines to Modern Aircraft Engines
(The American Society of Mechanical Engineers (ASME), 2016)The work described in this paper utilizes dust ingestion experimental results obtained using three Pratt/Whitney F100, two GE F101, one Pratt/Whitney J57, and three Pratt/Whitney TF33 military engines and two different ... -
Transient Response of a Short Length (L/D = 0.2) Open Ends Elastically Supported Squeeze Film Damper: Centered and Largely Off Centered Whirl Motions
(The American Society of Mechanical Engineers (ASME), 2016)Commonly employed in air breathing (gas turbine) engines, squeeze film dampers (SFDs) reduce the amplitude of rotor vibration while traversing system critical speeds or in transient events such as during a maneuver load, ... -
Prediction and Analysis of Impact of Thermal Barrier Coating Oxidation on Gas Turbine Creep Life
(The American Society of Mechanical Engineers (ASME), 2016)Thermal barrier coatings (TBCs) have been widely used in the power generation industry to protect turbine blades from damage in hostile operating environment. This allows either a high turbine entry temperature (TET) to ... -
Rotordynamic Optimization of Fixed Pad Journal Bearings Using Response Surface Design of Experiments
(The American Society of Mechanical Engineers (ASME), 2016)The design process of journal bearings of turbomachines is complex and timeconsuming due to the many geometric and physical variables involved. This paper reports on the design of experiments (DOE) and the response surface ...