Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 481-500 of 9564
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Comparison of a Full-Scale and a 1:10 Scale Low-Speed Two-Stroke Marine Engine Using Computational Fluid Dynamics
(The American Society of Mechanical Engineers (ASME), 2025)International marine shipping is a growing component of international trade; a vast majority of all the world’s goods are being transported on large ocean-going vessels. The International Maritime Organization (IMO) ... -
Heat Release Characteristics of a Volatile, Oxygenated, and Reactive Fuel in a Direct Injection Engine
(The American Society of Mechanical Engineers (ASME), 2025)Compression ignition (CI) diesel engines offer power-dense solutions for heavy-duty vehicles. The purpose of combustion management for diesel engines primarily concerns the balance of high efficiency and low emissions. ... -
Fuel Thermal Management and Injector Part Design for LPBF Manufacturing
(The American Society of Mechanical Engineers (ASME), 2025)Additive manufacturing (AM) methods such as laser powder bed fusion (LPBF) are particularly attractive methods for manufacturing aero-engine burners as they allow for a complex design with well-tailored features at reasonable ... -
Novel Alloying Strategy to Improve Brazing Properties on Nickel-Based Superalloys for Aircrafts Turbine Application
(The American Society of Mechanical Engineers (ASME), 2024)The continuous improvement of high potential repair technologies is an essential driver for cost-effective and sustainable aviation. To withstand extreme forces and temperatures, the turbine section of aircraft engines is ... -
Study on Dynamic Characteristics of Single-Span Rotor Under Cross-Coupling Stiffness Control on Nondrive End
(The American Society of Mechanical Engineers (ASME), 2024)The sealing-induced cross-coupling stiffness (CCS) often decreases the rotordynamic stability of turbomachinery. In our previous study, an active negative CCS control strategy applied between two bearings in the middle of ... -
Effects of the Geometric Uncertainties of Bladed Disks Through the Analytical Derivatives of the Finite Element Matrices
(The American Society of Mechanical Engineers (ASME), 2024)Manufacturing processes and wear are known to create imperfections in mechanical components that may result in a significant deviation of the modal properties from their predicted values. This is especially true for periodic ... -
Experimental Investigations on Carbon Segmented Seals With Smooth and Pocketed Pads
(The American Society of Mechanical Engineers (ASME), 2024)The present paper introduces experimental results for radial segmented seals operating at high rotating speed. These seals are made of three or more interlocking, carbon-graphite segments, in permanent contact with the ... -
Fatigue Failure of Steam Turbine Disks—A Centenary Tribute to Wilfred Campbell
(The American Society of Mechanical Engineers (ASME), 2024)The year 2024 marks one hundred years since Wilfred Campbell published his landmark work on vibrational analysis of rotating disk following a series of disk failures in steam turbines. Despite the absence of advanced ... -
Hydrogen Cofiring Demonstration at Constellation Hillabee Siemens Energy SGT6-6000G Power Plant
(The American Society of Mechanical Engineers (ASME), 2024)Gas turbines will need to reduce CO2 emissions and prove their flexibility based on market needs and new proposed rules. Economically, utilizing existing gas turbine assets to meet these requirements will be of great benefit ... -
Experimental Measurements of Buoyancy-Induced Flow in Rotating Cavities Under High Reynolds Number Conditions
(The American Society of Mechanical Engineers (ASME), 2024)The buoyancy-induced flow structure and heat transfer in rotating cavities is a well-known conjugate problem. The disk temperatures affect the flow and vice versa. This creates a challenging environment to study as it is ... -
The Effect of Air–Water Mixture on the Dynamic Response of a Hydrodynamic Journal Bearing With Inclined Grooves
(The American Society of Mechanical Engineers (ASME), 2024)Water-lubricated hydrodynamic journal bearings with deep inclined grooves are often used to support radial loads and dampen pump vibrations in nuclear power plants. The inclined grooves increase the pumping effect of the ... -
A Comparison of Model Predictive Control Architectures for Application to Electrified Aircraft Propulsion Systems
(The American Society of Mechanical Engineers (ASME), 2024)As electrified aircraft propulsion (EAP) systems continue to mature, more sophisticated hardware and software are being developed to balance operations among electric machines and gas-turbine engines. In hybrid-electric ... -
Investigation of Ammonia/Hydrogen Mixtures and Pilot-Split Strategies in a Laboratory-Scale Radial Swirl Combustor
(The American Society of Mechanical Engineers (ASME), 2024)The transition to a decarbonized energy future relies on identifying the most suitable alternative fuels that can meet the needs of various energy sectors. While both ammonia and hydrogen are zero-carbon energy vectors, ... -
Relationship Between Wavy Liquid Film Dynamics and Droplet Formation From Trailing Edge
(The American Society of Mechanical Engineers (ASME), 2024)Erosion of steam turbine blades due to coarse droplet impingement is a serious problem. The physical relationship is still elusive between the dynamics of wavy liquid film on a wall and the droplet dispersion from the ... -
Development of Detailed and Reduced Chemical Kinetic Models for Ammonia Gas Turbines
(The American Society of Mechanical Engineers (ASME), 2024)The power generation sector has been recently moving toward decarbonization, and there is an increased interest in replacing conventional fossil fuels with fuels that produce reduced/zero carbon emissions. One such fuel ... -
A Keyphasor-Free Traveling Waves Analysis Method Based on Blade Tip Timing and Experimental Validation
(The American Society of Mechanical Engineers (ASME), 2024)Vibration-induced high-cycle fatigue of blades is a prevalent issue in turbomachinery. Blade tip timing (BTT) emerges as a nonintrusive, promising method for assessing blade vibration. Despite its potential, BTT's inherent ... -
IndRNN-Based Data-Driven Modeling Integrated With Physical Knowledge for Engine Performance Monitoring
(The American Society of Mechanical Engineers (ASME), 2024)Monitoring the whole performance status of aircraft engines is of paramount importance for ensuring flight safety, control system, and prognostic health management. This work introduced an aircraft engine deep learning ... -
Experimental Investigation on Leakage and Frictional Heat Generation Characteristics of Low Hysteresis Brush Seals
(The American Society of Mechanical Engineers (ASME), 2024)Low hysteresis brush seals are frequently used in systems operating at a high speed in environments featuring a high temperature and pressure. The high-speed rotor comes into contact with the bottom end of the bristles of ... -
Numerical Investigation of the Flow Structure of Cryogenic Hydrogen in Corrugated Metal Flexhoses Due to Fluid–Structure Interactions
(The American Society of Mechanical Engineers (ASME), 2024)In this paper, details of flow field characteristics and pressure drop of cryogenic hydrogen in corrugated metal flexhoses will be numerically evaluated using multiphase flow physics coupled with fluid–structure interactions. ... -
Development of High-Temperature, Interlaminar Tension Test Methodology for Ceramic Matrix Composites
(The American Society of Mechanical Engineers (ASME), 2024)This paper was to present how an affordable, high-temperature, interlaminar tension (ILT) strength testing method was explored and developed for ceramic matrix composites (CMCs), leading to development of a diametral-compression ...