Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 6401-6420 of 9564
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A Plastic Fracture Mechanics Analysis of Small Case B Fatigue Cracks Under Multiaxial Loading Conditions
(The American Society of Mechanical Engineers (ASME), 1998)The near-tip fields of small Case B cracks in power law, hardening materials are investigated under generalized plane-strain and general yielding conditions by finite element analyses. The results ... -
A Comparison of Experimental Rotordynamic Coefficients and Leakage Characteristics Between Hole-Pattern Gas Damper Seals and a Honeycomb Seal
(The American Society of Mechanical Engineers (ASME), 1998)Honeycomb annular seals are an attractive design alternative due to their superior static and dynamic performance. However, their implementation in industrial practice has been delayed by the ... -
Crack Identification in a Cantilever Beam Using Coupled Response Measurements
(The American Society of Mechanical Engineers (ASME), 1998)Identification of crack location and magnitude through measurement in changes in system characteristics, such as modal measurements, has been studied by various researchers. In the present work ... -
Industrial Gas Turbine Performance Uprates: Tips, Tricks, and Traps
(The American Society of Mechanical Engineers (ASME), 1998)After industrial gas turbines have been in production for some amount of time, there is often an opportunity to improve or uprate the engine’s output power, cycle efficiency, or both. Typically, ... -
Numerical Analysis of Heat Pipe Turbine Vane Cooling
(The American Society of Mechanical Engineers (ASME), 1998)A numerical model was developed to simulate transient performance of a heat pipe turbine vane under typical gas turbine engine conditions. Curvilinear coordinates were used to describe the ... -
Development of a Corrosion Resistant Directionally Solidified Material for Land Based Turbine Blades
(The American Society of Mechanical Engineers (ASME), 1998)Advanced turbines with improved efficiency require materials that can operate at higher temperatures. Availability of these materials would minimize cooling flow requirements, and, thus, improve ... -
Steady-State Response of Continuous Nonlinear Rotor-Bearing Systems Using Analytical Approach
(The American Society of Mechanical Engineers (ASME), 1998)A continuous modeling of nonlinear rotor-bearing systems is presented in this paper. The shaft is treated as a distributed parameter system using Timoshenko beam theory. A close form, steady-state ... -
Characterization of Laws of Friction in the Context of Engine Blade Dynamics
(The American Society of Mechanical Engineers (ASME), 1998)Experience has shown that energy dissipation due to rubbing at interfaces of engine blade shrouds provides damping of bladed disk assemblies. An accurate estimate of such damping has been a ... -
A Survey of Blade Tip-Timing Measurement Techniques for Turbomachinery Vibration
(The American Society of Mechanical Engineers (ASME), 1998)This paper aims at providing a comparative survey of current analysis methods for the interpretation of vibration data measured at turbomachinery rotor blade tips using optical laser probes. The ... -
Numerical Predication of the Dynamic Behavior of Turbulent Diffusion Flames
(The American Society of Mechanical Engineers (ASME), 1998)Environmental compatibility requires low-emission burners for gas turbine power plants as well as for jet engines. In the Past, significant progress has been made developing low NOx and CO ... -
Evaluation of CH4/NOx Reduced Mechanisms Used for Modeling Lean Premixed Turbulent Combustion of Natural Gas
(The American Society of Mechanical Engineers (ASME), 1998)This study has identified useful reduced kinetic schemes that can be used in comprehensive multidimensional gas-turbine combustor models. Reduced mechanisms lessen computational cost and possess ... -
A Fast-Response Total temperature Probe For Unsteady compressible Flows
(The American Society of Mechanical Engineers (ASME), 1998)A fast-response probe for the measurement of total temperature in unsteady or fluctuating compressible flows is discussed. The operation of the device is based on the measurement of transient ... -
Model Predictive Control of a Combined Heat and Power Plant Using Local Linear Models
(The American Society of Mechanical Engineers (ASME), 1998)Model predictive control has been applied to control of a combined heat and power plant. One of the main features of this plant is that it exhibits nonlinear process behavior due to large ... -
Discussion: “Setting the Popping Point of Safety Valves While at Reduced Boiler Pressures” (Nurmi, H., 1967, ASME J. Eng. Power, 89, pp. 311–313)
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Discussion: “Gas Turbine Engines in the Royal Canadian Navy Prototype Hydrofoil Vessel” (Hopkins, S. E., and Amundrud, G. L., 1966, ASME J. Eng. Power, 88, pp. 139–143)
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Discussion: “The Design and Development of the Orenda OT-4 Gas Turbine” (Quan, D., 1966, ASME J. Eng. Power, 88, pp. 117–126)
(The American Society of Mechanical Engineers (ASME), 1967) -
Discussion: “The Effect of Vacuum Arc Remelting of Airmelt Electrodes on the Structure and Elevated Temperature Properties of a Nickel-Base Gas Turbine Superalloy” (Richmond, F. M., 1967, ASME J. Eng. Power, 89, pp. 67–73)
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An Axial Flow Reversing Gas Turbine for Marine Propulsion
(The American Society of Mechanical Engineers (ASME), 1967)The potential advantages of an axial flow reversing marine gas turbine are presented in order to demonstrate the system’s aerodynamic and mechanical feasibility. From this analysis, it has been ... -
Gas Turbine Installation Design for Naval Ships
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U. S. Navy’s Marine Gas Turbines
(The American Society of Mechanical Engineers (ASME), 1967)The development, progress, and sea experience of marine gas turbines in the U. S. Navy are reviewed. Practical problems encountered with engine components, installation arrangements, forward area ...