Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 161-180 of 9564
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Laser Sheet Dropsizing of Ethanol Jets in Supersonic Crossflows With Far Field Oblique Shocks
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Uniform mixing of a liquid injectant into a high-momentum flux gaseous flow constitutes a significant engineering challenge with valuable applications. This study characterizes the Sauter mean diameter (SMD) of ... -
Errors Downstream of a Rotor Due to Probe–Blade Row Interaction
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This paper investigates the aerodynamic interaction between a row of compressor blades and a downstream cylindrical probe, using unsteady, three-dimensional simulations. The study demonstrates the probe influence ... -
Characterization of a Fluidically Variable Swirl Burner: Effects of the Imprinted Swirl on Flame Shapes and Emissions for Hydrogen–Methane Blends
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Gas turbine combustors rely on swirling flows for flame stabilization. The flow's swirl number is herein characterized by the burner's swirler geometry. In addition to stability, swirl represents an important ... -
Maintenance of Jet Engines: Robust Parameterization and Reconstruction of Compressor and Turbine Blades
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Maintenance, repair, and overhaul (MRO) of jet engines rely on geometric inspection and aerothermodynamic performance analysis of compressor and turbine blades. In order to analyze the variability of airfoil ... -
Effect of Fluid Barrier in See-Through Labyrinth Seal for Supercritical CO2 Turbomachinery
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Radial supercritical carbon dioxide (sCO2) turbomachinery is being explored as a viable option for a submegawatt (sub-MW) power generation. However, at these scales, parasitic losses arising from disk friction ... -
Forced Response of an Unstable Low Pressure Turbine Bladed Disk: New States With Different Blade Vibration Amplitude
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. In the forcing of a low-pressure turbine (LPT) bladed disk, the final amplitude of the vibration state that sets in is determined by the dissipation produced by the friction forces at the blade-disk contact ... -
Parallel Computation of the Nonlinear Forced Response of A Bladed Disk With Friction Contacts Using the FETI Method
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The size of the finite element (FE) models used for turbomachinery applications is rapidly growing to consider the whole engine dynamics and the complex dynamic interactions between subassemblies, which are ... -
Meta-Analysis of Thermal Barrier Coating Lifetimes in High-Water Vapor Environments: Implications for High-Hydrogen Gas Turbines
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Thermal barrier coatings (TBC) are used to protect hot-section components, including combustor liners, turbine blades and vanes, and shrouds in gas turbine hot sections. Because improvements in combined-cycle gas ... -
Comparison of the Soot Reactivity of Different Diesel Fuels on a Research Single-Cylinder Engine and on a Multicylinder Production Engine
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This study examines the impact of various diesel fuels on exhaust emissions under representative part-load engine operation. Since differences in NOx emissions between fuels are generally minor, the focus is ... -
Advanced Power Management Strategies for Complex Hybrid-Electric Aircraft
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Aircraft electrification for propulsion is a promising way to alleviate the negative environmental impact of conventional carbon-powered aviation. Inclusion of the electrical powertrain aims to enhance design ... -
Leak Detection and SOx Emissions Tradeoffs With Odorized Hydrogen–Natural Gas Fuel Blends in Gas Turbines
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The scalable, dispatchable operation mode leveraged by modern gas turbine power generators exploits pipeline distribution of gaseous fuels with no natural color or odor such as natural gas (NG) and potentially ... -
Mapping the Potential of Hybrid Electric Architectures for Commuter Aircraft
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Hybrid electric aviation is a possible step toward sustainable flight. Several hybrid architectures and synergetic concepts have been investigated. However, environmental performance results seem to be inconsistent ... -
Sensitivity Analysis of Phase Change Modeling for Non-Ideal Fluids in Turbomachinery Applications
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Investigating phase change phenomena with numerical methods reveals a strong dependence on the selected model equations. The phase change from gas to liquid, or condensation, is primarily governed by nucleation ... -
Thermohydrodynamic Analysis of Dynamic Characteristics for the Third-Generation Carbon Dioxide (CO2) Gas Foil Journal Bearings Under High Pressure and Temperature
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Nowadays, gas foil bearings (GFBs) have become a key enabling technology for S-CO2 turbomachinery applications, due to their capacity to withstand extreme operating conditions, and without pollution. Furthermore, ... -
Coupling Simulation Between Coke Deposition and Heat Transfer of Aviation Kerosene
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Air–fuel heat exchange technology is expected to solve the cooling dilemma encountered by advanced gas turbines. Understanding the long-term trends of heat transfer and fuel deposition behavior is crucial for the ... -
Influence of Oil Conducting Ducts on Squeeze Film Damper Forces
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Squeeze film dampers (SFDs) are critical components in rotating machinery, designed to reduce vibration amplitudes and improve rotor dynamic stability. During operation, oil is evacuated from the SFD to prevent ... -
Experimental Study of Flow in an Industrial Gas Turbine Intake System Under Different Operating Conditions
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The intake system of industrial gas turbines significantly impacts compressor performance due to loss and flow distortion. The flow characteristics of the intake system of an industrial gas turbine have been ... -
Exploring Soot Pathways: High-Fidelity Large Eddy Simulation Investigation of Soot Formation and Oxidation in Rich–Quench–Lean Combustion Systems Under Real Conditions
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Developing low-emission aero-engines presents a critical step in meeting near-term climate goals. A particular challenge is accurate soot predictions with computational fluid dynamics (CFD), where the integration ... -
Interaction Effects of Fan With Short Aero-Intake: A Multi-Objective Optimization Study With Modeling of Flow Coupling
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The stronger coupling between the turbomachinery and the air inlet becomes more relevant in next-generation turbofan engines with low-pressure ratio fans and compact nacelles. This study presents a numerical ... -
A Deterioration Predictor Model of Performance Parameters of Turbine Modules in Aeroengines
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Aeroengines inevitably deteriorate over their service life due to the accumulation of flight hours under various routes, ambient conditions, and thrust demands. Current methods estimate the health parameters, ...