Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 3921-3940 of 9564
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Dynamic Behavior and Control of Single-Shaft Closed-Cycle Gas Turbines
(The American Society of Mechanical Engineers (ASME), 1971)The solution of problems concerning safety and control of gas turbines demands the ability of precalculating the dynamics of the whole plant. The dynamic behavior of nuclear closed-cycle gas ... -
Measured and Predicted Flow Near the Exit of a Radial-Flow Impeller
(The American Society of Mechanical Engineers (ASME), 1971)Experimental measurements are presented of the velocity field near the exit of a radial impeller with backward-curved blades. The flow pattern, and its variation with changes in the flow ... -
Discrete Frequency Noise From Lifting Fans
(The American Society of Mechanical Engineers (ASME), 1971)Discrete frequency noise characteristics of a research lifting fan is investigated analytically. Based on steady aerodynamic data of the fan, unsteady aerodynamic forces acting on the rotor and ... -
The Effectiveness of Film Cooling With Three-Dimensional Slot Geometries
(The American Society of Mechanical Engineers (ASME), 1971)The paper describes measurements of adiabatic wall temperature downstream of discrete hole injection slots for a range of parameters relevant to gas turbine practice. The influence of open-area-ratio, ... -
Experimental Investigation of Methods for Improving the Dynamic Response of a Twin-Spool Turbojet Engine
(The American Society of Mechanical Engineers (ASME), 1971)This paper describes experimental tests carried out on a twin-spool turbojet to confirm earlier simulator predictions of methods of improving the dynamic response. The engine was controlled by ... -
The Development of a Turbine Wheel Design Criterion Based Upon Fracture Mechanics
(The American Society of Mechanical Engineers (ASME), 1971)The development of a design criterion based upon fracture mechanics is described in detail. Specifically treated are crack tip plastic zone corrections, proximity effects on a crack adjacent to ... -
Prediction of Silencer Performance Using Transmission Line Theory
(The American Society of Mechanical Engineers (ASME), 1971)The size and cost of gas turbine exhaust silencers are largely set by low-frequency requirements. In that frequency range, the silencer cross-dimensions are small compared to the wavelength; it ... -
Shock Wave Behavior in Transonic Compressor Noise Generation
(The American Society of Mechanical Engineers (ASME), 1971)Compressor noise at transonic tip speeds contains strong tones at multiples of shaft rotation frequency as well as harmonics of blade passage frequency. These multiple pure tones or combination ... -
A Momentum-Integral Analysis of the Three-Dimensional Turbine End-Wall Boundary Layer
(The American Society of Mechanical Engineers (ASME), 1971)An analysis is presented which is a combination of existing momentum-integral equations and existing studies of profile shapes for incompressible three-dimensional turbulent boundary layers. These, ... -
On the Behavior of Uniform Shear Flow in Diffusers and Its Effects on Diffuser Performance
(The American Society of Mechanical Engineers (ASME), 1971)Behavior of uniform shear flow in rectangular parallel-walled diffusers and its effects on the diffuser performance were investigated both experimentally and theoretically. Velocity and static ... -
The Radiation of Sound From an Airfoil Immersed in a Laminar Flow
(The American Society of Mechanical Engineers (ASME), 1971)The results of an experimental and analytical investigation of sound generation by single airfoils are presented. Airfoil sections studied were representative of those used in modern axial ... -
An Approximate Analysis of Gaseous Film Cooling With Constant Fluid Properties
(The American Society of Mechanical Engineers (ASME), 1971)Presented herein is an analysis of the velocity and temperature fields for a constant-property turbulent flow downstream of a step-type injection slot. The flow field is considered to be in a ... -
Wide Gap Braze Repair of Gas Turbine Blades and Vanes—A Review
(The American Society of Mechanical Engineers (ASME), 2012)Gas turbine blades and vanes in modern gas turbines are subjected to an extremely hostile environment. As such, sophisticated airfoil designs and advanced materials have been developed to meet ... -
Thermal Modeling of a Solar Steam Turbine With a Focus on Start-Up Time Reduction
(The American Society of Mechanical Engineers (ASME), 2012)Steam turbines in solar thermal power plants experience a much greater number of starts than those operating in baseload plants. In order to preserve the lifetime of the turbine while still ... -
On Occurrence of Reverse Full Annular Rub
(The American Society of Mechanical Engineers (ASME), 2012)This paper discusses reverse full annular rub based on a two degree-of-freedom rotor/seal model where a rubbing location can be simulated away from the lumped rotor mass. The analytical model ... -
Novel Dynamic Rotor and Blade Deformation and Vibration Monitoring Technique
(The American Society of Mechanical Engineers (ASME), 2012)Monitoring rotor deformations and vibrations dynamically is an important task for improving both the safety and the lifetime as well as the energy efficiency of motors and turbo machines. ... -
A Statistical Characterization of the Effects of Mistuning in Multistage Bladed Disks
(The American Society of Mechanical Engineers (ASME), 2012)A great deal of research has been conducted on the effects of small random variations in structural properties, known as mistuning, in single stage bladed disks. Due to the inherent randomness ... -
Effects of Mesh Density on Static Load Performance of Metal Mesh Gas Foil Bearings
(The American Society of Mechanical Engineers (ASME), 2012)Metal mesh materials have been used successfully in vibration isolators and bearing dampers due to their superior friction or hysteresis damping mechanism. These materials are formed to metal ... -
Particle Transport Analysis of Sand Ingestion in Gas Turbine Engines
(The American Society of Mechanical Engineers (ASME), 2012)Significant interest exists in the military and commercial aerospace industry to better predict and improve the durability of gas turbine jet engines that are operating in hostile desert ... -
The Influence of Crystal Orientation on the Elastic Stresses of a Single Crystal Nickel-Based Turbine Blade
(The American Society of Mechanical Engineers (ASME), 2012)Single crystal nickel-based turbine blades are directionally solidified during the casting process with the crystallographic direction [001] aligned with the blade stacking axis. This alignment is ...