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Issues
February 2024
ISSN 0742-4795
EISSN 1528-8919
In this Issue
Research Papers
Innovative Air Bypass System for Low-Emission Multi-Can Combustors
Bernhard Ćosić, Dominik Wassmer, Frank Reiß, David Kluss, Judith Pähr, Johann Moritz Reumschüssel, Jan Paul Beuth, Martin Szeponik, Thoralf Reichel, Christian Oliver Paschereit
J. Eng. Gas Turbines Power. February 2024, 146(2): 021001.
doi: https://doi.org/10.1115/1.4063425
Topics:
Combustion chambers
,
Emissions
,
Flames
,
Flow (Dynamics)
,
Fuels
,
Temperature
,
Stress
,
Nitrogen oxides
,
Gas turbines
,
Exhaust systems
A Surge/Stall-Capable Dynamic Performance Simulation Methodology for a Turbojet Engine
J. Eng. Gas Turbines Power. February 2024, 146(2): 021002.
doi: https://doi.org/10.1115/1.4063422
Topics:
Compressors
,
Engines
,
Flow (Dynamics)
,
Simulation
,
Surges
,
Turbines
,
Ducts
,
Dynamics (Mechanics)
,
Turbojets
,
Fuels
Burst Speed Prediction of Impellers With Critical Strain Criteria
J. Eng. Gas Turbines Power. February 2024, 146(2): 021003.
doi: https://doi.org/10.1115/1.4063382
Topics:
Disks
,
Geometry
,
Impellers
,
Stress
,
Finite element analysis
,
Tensile strength
,
Design
,
Failure
,
Plasticity
,
Fracture (Materials)
Dynamic Forced Performance of an O-Rings Sealed Squeeze Film Damper Lubricated With a Low Supply Pressure and a Simple Method to Quantify Air Ingestion
J. Eng. Gas Turbines Power. February 2024, 146(2): 021004.
doi: https://doi.org/10.1115/1.4063320
Optimizing Micro Gas Turbine Operation in a Microgrid System With Natural Gas and Hydrogen Fuel: An Artificial Intelligence-Based Approach
J. Eng. Gas Turbines Power. February 2024, 146(2): 021005.
doi: https://doi.org/10.1115/1.4063423
Topics:
Fuels
,
Heat
,
Hydrogen
,
Micro gas turbines
,
Microgrids
,
Natural gas
,
Optimization
,
Wind turbines
,
Hydrogen fuels
Ceramic and Metal Additive Manufacturing of Monolithic Rotors From SiAlON and Inconel and Comparison of Aerodynamic Performance for 300W Scale Microturbines
J. Eng. Gas Turbines Power. February 2024, 146(2): 021006.
doi: https://doi.org/10.1115/1.4063421
Topics:
Rotors
,
Compressors
,
Additive manufacturing
,
Manufacturing
,
Turbines
,
Microturbines
Aerodynamics and Aeroacoustics of Leading Edge Serration in Low-Speed Axial Fans With Forward Skewed Blades
Lorenzo Tieghi, Felix Czwielong, Valerio F. Barnabei, Christof Ocker, Giovanni Delibra, Stefan Becker, Alessandro Corsini
J. Eng. Gas Turbines Power. February 2024, 146(2): 021007.
doi: https://doi.org/10.1115/1.4063420
Topics:
Acoustics
,
Blades
,
Fans
,
Flow (Dynamics)
,
Inflow
,
Pressure
,
Rotors
,
Turbulence
,
Aerodynamics
Mechanical Characterization of Bi-Layer Environmental Barrier Coatings Under Tension and Bending Using Acoustic Emission and Digital Image Correlation
J. Eng. Gas Turbines Power. February 2024, 146(2): 021008.
doi: https://doi.org/10.1115/1.4063385
Topics:
Acoustic emissions
,
Ceramic matrix composites
,
Coatings
,
Fracture (Materials)
,
Stress
,
Tension
A Computational Fluid Dynamics-Based Small-Scale Combustor Design Optimization Utilizing a Many-Objective Evolutionary Algorithm
J. Eng. Gas Turbines Power. February 2024, 146(2): 021009.
doi: https://doi.org/10.1115/1.4063537
Topics:
Combustion chambers
,
Design
,
Optimization
,
Computational fluid dynamics
Numerical Investigations of Near Surge Operating Conditions in a Two-Stage Radial Compressor With Refrigerant Gas
J. Eng. Gas Turbines Power. February 2024, 146(2): 021010.
doi: https://doi.org/10.1115/1.4063577
Topics:
Compressors
,
Diffusers
,
Flow (Dynamics)
,
Impellers
,
Inlet guide vanes
,
Pressure
,
Rotors
,
Surges
,
Blades
,
Entropy
Integrated Aerodynamic and Mechanical Design of a Large-Scale Axial Turbine Operating With A Supercritical Carbon Dioxide Mixture
Abdelrahman Abdeldayem, Andrea Paggini, Tommaso Diurno, Claudio Orazi, Martin White, Marco Ruggiero, Abdulnaser Sayma
J. Eng. Gas Turbines Power. February 2024, 146(2): 021011.
doi: https://doi.org/10.1115/1.4063530
Topics:
Blades
,
Design
,
Design engineering
,
Exhaust systems
,
Flow (Dynamics)
,
Pressure
,
Rotors
,
Turbines
,
Geometry
,
Stress
Turbulent Flame Speed and Flame Characteristics of Lean Premixed H2-CH4 Flames at Moderate Pressure Levels
J. Eng. Gas Turbines Power. February 2024, 146(2): 021012.
doi: https://doi.org/10.1115/1.4063524
Topics:
Flames
,
Fuels
,
Methane
,
Turbulence
,
Combustion
,
Combustion chambers
,
Hydrogen
A Study on Quantities Driving Maintenance, Repair, and Overhaul for Hybrid-Electric Aeroengines
Lukas Schuchard, Maximilian Bień, Karl Ziaja, Norman Blanken, Jan Göing, Jens Friedrichs, Francesca di Mare, Bernd Ponick, Ronald Mailach
J. Eng. Gas Turbines Power. February 2024, 146(2): 021013.
doi: https://doi.org/10.1115/1.4063580
Topics:
Aircraft
,
Engines
,
Flight
,
Gas turbines
,
Maintenance
,
Temperature
,
Thrust
,
Machinery
,
Aircraft propulsion
,
Turbines
Combined Joule-Humphrey-Recuperator Cycle: Performance and Parametric Analysis Evaluation Toward More Efficient Air Transportation
J. Eng. Gas Turbines Power. February 2024, 146(2): 021014.
doi: https://doi.org/10.1115/1.4063536
Topics:
Cycles
,
Flow (Dynamics)
,
Joules
,
Pressure
,
Thrust
,
Combustion chambers
,
Temperature
,
Engines
,
Fuels
,
Turbines
Multidisciplinary Optimization of Thermodynamic Cycles for Large-Scale Heat Pumps With Simultaneous Component Design
J. Eng. Gas Turbines Power. February 2024, 146(2): 021015.
doi: https://doi.org/10.1115/1.4063637
Topics:
Design
,
Heat exchangers
,
Heat pumps
,
Optimization
,
Compressors
,
Cycles
Predicting Premature Failures in Small Wind Turbines With Recurrence Plots
J. Eng. Gas Turbines Power. February 2024, 146(2): 021016.
doi: https://doi.org/10.1115/1.4063539
Topics:
Signals
,
Wind turbines
,
Entropy
,
Failure
,
Accelerometers
Investigation of Rear Blisk Drum Dynamics Under Consideration of Multi-Stage Coupling
J. Eng. Gas Turbines Power. February 2024, 146(2): 021017.
doi: https://doi.org/10.1115/1.4063633
Topics:
Airfoils
,
Bladed disks
,
Disks
,
Displacement
,
Dynamics (Mechanics)
,
Geometry
,
Vibration
,
Excitation
,
Compressors
,
Blades
Determination of Cetane Numbers Via Chemical Kinetic Mechanism
J. Eng. Gas Turbines Power. February 2024, 146(2): 021018.
doi: https://doi.org/10.1115/1.4063585
Topics:
Fuels
,
Ignition delay
,
Evaporation
An Algorithm for Starved Lubricated Journal Bearings With Optionally Locked Lube Oil Feed Grooves
J. Eng. Gas Turbines Power. February 2024, 146(2): 021019.
doi: https://doi.org/10.1115/1.4063528
Topics:
Algorithms
,
Bearings
,
Flow (Dynamics)
,
Journal bearings
,
Lubricants
,
Pressure
,
Cavitation
Analysis of Failure Forms of Bevel Gear, Shaft, and Bearing Structure System Considering Multi-Mode Damage Accumulation
J. Eng. Gas Turbines Power. February 2024, 146(2): 021020.
doi: https://doi.org/10.1115/1.4063582
Topics:
Cycles
,
Damage
,
Failure
,
Bevel gears
,
Bearings
,
Deformation
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Blade Excitation Alleviation of a Nozzleless Radial Turbine by Casing Treatment Based on Reduced Order Mode
J. Eng. Gas Turbines Power
Design And Testing of a Compact, Reverse Brayton Cycle, Air (R729) Cooling Machine
J. Eng. Gas Turbines Power
On Hysteresis In A Variable Pitch Fan Transitioning To Reverse Thrust Mode And Back
J. Eng. Gas Turbines Power
Experimental Study on Liquid Jet Trajectory in Cross Flow of Swirling Air at Elevated Pressure Condition
J. Eng. Gas Turbines Power