Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 4781-4800 of 9564
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Weld Material Investigations of a WWER-440 Reactor Pressure Vessel: Results From the First Trepan Taken From the Former Greifswald NPP
(The American Society of Mechanical Engineers (ASME), 2009)Between 1973 and 1990 four units of the Russian nuclear power plants type WWER-440/230 were operated in Greifswald (former East Germany). Material probes from the pressure vessels were gained ... -
Journal of Engineering for Gas Turbines and Power Welcomes ASME Nuclear Engineering Division Participation!
(The American Society of Mechanical Engineers (ASME), 2009)A happy new year to all of you! I am pleased to announce that in April 2008, ASME’s Nuclear Engineering Division (NED) selected this journal for the publication of nuclear power engineering ... -
Effect of CANDU Bundle-Geometry Variation on Dryout Power
(The American Society of Mechanical Engineers (ASME), 2009)Dryout powers have been evaluated at selected inlet-flow conditions for two proposed designs of Canada deuterium uranium, CANDU® (a registered trademark of Atomic Energy of Canada Limited ... -
Study of Fuel Temperature Effects on Fuel Injection, Combustion, and Emissions of Direct-Injection Diesel Engines
(The American Society of Mechanical Engineers (ASME), 2009)The influence of inlet liquid fuel temperature on direct-injection diesel engines can be noticeable and significant. The work in this paper investigates the effects of inlet fuel temperature on ... -
Development of an Innovative Plate-Type SG for Sodium Cooled Fast Reactor: Concept and Test Fabrication
(The American Society of Mechanical Engineers (ASME), 2009)The concept of an innovative plate-type steam generator (SG) for a fast reactor, fabricated using hot isostatic pressing (HIP), was presented. The heat-transfer plate, which is assembled with ... -
Modeling Pressure Fluctuation With Cross Flow in a Tight-Lattice Rod Bundle
(The American Society of Mechanical Engineers (ASME), 2009)To explore the mechanism of differential pressure fluctuation inducing cross flow between subchannels in the tight-lattice rod bundle, an evaluation method is presented, which permits the prediction ... -
Numerical-Experimental Study and Solutions to Reduce the Dwell-Time Threshold for Fusion-Free Consecutive Injections in a Multijet Solenoid-Type CR System
(The American Society of Mechanical Engineers (ASME), 2009)In “multijet” common rail (CR) diesel injection systems, when two consecutive injection current pulses approach each other, a merging of the two injections into a single one can occur. Such ... -
Method for Sensitivity Analysis of Resonance Forced Response of Bladed Disks With Nonlinear Contact Interfaces
(The American Society of Mechanical Engineers (ASME), 2009)An effective method has been developed to calculate the sensitivity of the resonance peak frequency and forced response level to variation of parameters of nonlinear friction contact interfaces ... -
Further Development of a Smoke Sensor for Diesel Engines
(The American Society of Mechanical Engineers (ASME), 2009)This paper describes experimental research aimed at developing an on-board smoke sensor for diesel engines. The sensor element was similar to a conventional spark plug. Electrical heating of the ... -
Real-Time Self-Learning Optimization of Diesel Engine Calibration
(The American Society of Mechanical Engineers (ASME), 2009)Compression ignition engine technologies have been advanced in the past decade to provide superior fuel economy and high performance. These technologies offer increased opportunities for optimizing ... -
Fatigue Crack Growth Behavior Evaluation of Grainex Mar-M 247 for NASA’s High Temperature High Speed Turbine Seal Test Rig
(The American Society of Mechanical Engineers (ASME), 2009)The fatigue crack growth behavior of Grainex Mar-M 247 is evaluated for NASA’s turbine seal test facility. The facility is used to test air-to-air seals primarily for use in advanced jet ... -
On the Use of Actively Controlled Auxiliary Bearings in Magnetic Bearing Systems
(The American Society of Mechanical Engineers (ASME), 2009)Auxiliary bearings are used to prevent rotor/stator contact in active magnetic bearing systems. They are sacrificial components providing a physical limit on the rotor displacement. During ... -
Experimental Study on Impeller Blade Vibration During Resonance—Part I: Blade Vibration Due to Inlet Flow Distortion
(The American Society of Mechanical Engineers (ASME), 2009)Forming the first part of a two-part paper, the experimental approach to acquire resonant vibration data is presented here. Part II deals with the estimation of damping. During the design ... -
Experimental Study on Impeller Blade Vibration During Resonance—Part II: Blade Damping
(The American Society of Mechanical Engineers (ASME), 2009)Forming the second part of a two-part paper, the estimation of damping is presented here. Part I discusses the experimental approach and the results on blade resonant response measurements. In ... -
Forced Response Prediction of Constrained and Unconstrained Structures Coupled Through Frictional Contacts
(The American Society of Mechanical Engineers (ASME), 2009)In this paper, a forced response prediction method for the analysis of constrained and unconstrained structures coupled through frictional contacts is presented. This type of frictional contact ... -
Asymptotic Description of Maximum Mistuning Amplification of Bladed Disk Forced Response
(The American Society of Mechanical Engineers (ASME), 2009)The problem of determining the maximum forced response vibration amplification that can be produced just by the addition of a small mistuning to a perfectly cyclical bladed disk still remains ... -
A General Purpose Test Facility for Evaluating Gas Lubricated Journal Bearings
(The American Society of Mechanical Engineers (ASME), 2009)The present work describes the detailed design and operational capabilities of a general purpose test facility developed to evaluate the dynamics and performance of gas lubricated journal bearings. ... -
Compliant Hybrid Journal Bearings Using Integral Wire Mesh Dampers
(The American Society of Mechanical Engineers (ASME), 2009)The following work presents a new type of hybrid journal bearing developed for enabling oil-free operation of high performance turbomachinery. The new design integrates compliant hydrostatic-hydrodynamic ... -
The Reheat Concept: The Proven Pathway to Ultralow Emissions and High Efficiency and Flexibility
(The American Society of Mechanical Engineers (ASME), 2009)Reheat combustion has been proven now in over 80units to be a robust and highly flexible gas turbine concept for power generation. This paper covers three key topics to explain the intrinsic ... -
Flow Field and Combustion Characterization of Premixed Gas Turbine Flames by Planar Laser Techniques
(The American Society of Mechanical Engineers (ASME), 2009)Lean premixed natural gas/air flames produced by an industrial gas turbine burner were analyzed using laser diagnostic methods. For this purpose, the burner was equipped with an optical combustion ...