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Issues
February 2021
ISSN 0742-4795
EISSN 1528-8919
In this Issue
Research Papers
Aero Engine Concepts Beyond 2030: Part 1—The Steam Injecting and Recovering Aero Engine
J. Eng. Gas Turbines Power. February 2021, 143(2): 021001.
doi: https://doi.org/10.1115/1.4048985
Topics:
Exhaust systems
,
Steam
,
Water
,
Aircraft engines
,
Gas turbines
,
Flow (Dynamics)
,
Temperature
,
Condensation
,
Cycles
,
Heat
Aero Engine Concepts Beyond 2030: Part 2—The Free-Piston Composite Cycle Engine
J. Eng. Gas Turbines Power. February 2021, 143(2): 021002.
doi: https://doi.org/10.1115/1.4048993
Topics:
Cycles
,
Engines
,
Piston engines
,
Pistons
,
Nitrogen oxides
,
Temperature
,
Emissions
,
Combustion chambers
,
Combustion
,
Cylinders
Aero Engine Concepts Beyond 2030: Part 3—Experimental Demonstration of Technological Feasibility
Oliver Schmitz, Sascha Kaiser, Hermann Klingels, Petra Kufner, Martin Obermüller, Martin Henke, Jan Zanger, Felix Grimm, Simon Schuldt, Anna Marcellan, Daniele Cirigliano, Peter Kutne, Alex Heron-Himmel, Stephan Schneider, Judith Richter, Bernhard Weigand, Anne Göhler-Stroh, Arne Seitz, Mirko Hornung
J. Eng. Gas Turbines Power. February 2021, 143(2): 021003.
doi: https://doi.org/10.1115/1.4048994
Topics:
Aircraft
,
Aircraft engines
,
Combustion
,
Condensation
,
Cycles
,
Design
,
Engines
,
Gas turbines
,
Pistons
,
Steam
Combined Numerical and Experimental Study on the Use of Gurney Flaps for the Performance Enhancement of NACA0021 Airfoil in Static and Dynamic Conditions
Francesco Balduzzi, David Holst, Pier Francesco Melani, Felix Wegner, Christian Navid Nayeri, Giovanni Ferrara, Christian Oliver Paschereit, Alessandro Bianchini
J. Eng. Gas Turbines Power. February 2021, 143(2): 021004.
doi: https://doi.org/10.1115/1.4048908
Optimal Control of a Compound Rotorcraft for Engine Performance Enhancement
J. Eng. Gas Turbines Power. February 2021, 143(2): 021005.
doi: https://doi.org/10.1115/1.4049163
Topics:
Design
,
Engines
,
Flight
,
Flow (Dynamics)
,
Fuels
,
Optimization
,
Propellers
,
Rotors
,
Optimal control
,
Weight (Mass)
New Insights From Conceptual Design of an Additive Manufactured 300 W Microgas Turbine Toward Unmanned Aerial Vehicle Applications
J. Eng. Gas Turbines Power. February 2021, 143(2): 021006.
doi: https://doi.org/10.1115/1.4048695
Topics:
Additive manufacturing
,
Bearings
,
Compressors
,
Cycles
,
Design
,
Generators
,
Pressure
,
Rotors
,
Temperature
,
Turbines
On the Mechanism of Spike Stall Inception and Near Stall Nonsynchronous Vibration in an Axial Compressor
J. Eng. Gas Turbines Power. February 2021, 143(2): 021007.
doi: https://doi.org/10.1115/1.4049450
Topics:
Blades
,
Compressors
,
Flow (Dynamics)
,
Rotors
,
Simulation
,
Stall inception
,
Pressure
,
Shear (Mechanics)
,
Vibration
,
Fluctuations (Physics)
Assimilation of Experimental Data to Create a Quantitatively Accurate Reduced-Order Thermoacoustic Model
J. Eng. Gas Turbines Power. February 2021, 143(2): 021008.
doi: https://doi.org/10.1115/1.4048569
Topics:
Acoustics
,
Flow (Dynamics)
,
Oscillations
,
Thermocouples
,
Temperature
,
Pressure
,
Heat
,
Momentum
,
Network models
,
Boundary layers
Conditioning of Leakage Flows in Gas Turbine Rotor–Stator Cavities
J. Eng. Gas Turbines Power. February 2021, 143(2): 021009.
doi: https://doi.org/10.1115/1.4049409
Topics:
Cavities
,
Flow (Dynamics)
,
Leakage
,
Leakage flows
,
Rotors
,
Stators
,
Momentum
,
Sealing (Process)
,
Disks
The Impact of Exceptional Points on the Reliability of Thermoacoustic Stability Analysis
J. Eng. Gas Turbines Power. February 2021, 143(2): 021010.
doi: https://doi.org/10.1115/1.4049351
Topics:
Eigenvalues
,
Flames
,
Stability
,
Uncertainty
,
Combustion chambers
Dynamic Model-Based Identification of Cavitation Compliance and Mass Flow Gain Factor in Rocket Engine Turbopump Inducers
J. Eng. Gas Turbines Power. February 2021, 143(2): 021011.
doi: https://doi.org/10.1115/1.4049015
Topics:
Cavitation
,
Flow (Dynamics)
,
Surges
On a New Nonlinear Reduced-Order Model for Capturing Internal Resonances in Intentionally Mistuned Cyclic Structures
J. Eng. Gas Turbines Power. February 2021, 143(2): 021012.
doi: https://doi.org/10.1115/1.4049138
Topics:
Resonance
,
Excitation
,
Simulation
A New Approach to Modeling Slip and Work Input for Centrifugal Compressors
J. Eng. Gas Turbines Power. February 2021, 143(2): 021013.
doi: https://doi.org/10.1115/1.4049412
Topics:
Compressors
,
Design
,
Flow (Dynamics)
,
Impellers
,
Modeling
,
Errors
,
Mach number
,
Machinery
,
Temperature
Scavenge Performance of an Optimized Shallow Sump at Various Flow Conditions
J. Eng. Gas Turbines Power. February 2021, 143(2): 021014.
doi: https://doi.org/10.1115/1.4049405
Topics:
Bearings
,
Engines
,
Flow (Dynamics)
,
Drops
Large-Eddy Simulation of Flame Dynamics During the Ignition of a Swirling Injector Unit and Comparison With Experiments
Karl Töpperwien, Félix Collin-Bastiani, Eleonore Riber, Bénédicte Cuenot, Guillaume Vignat, Kevin Prieur, Daniel Durox, Sébastien Candel, Ronan Vicquelin
J. Eng. Gas Turbines Power. February 2021, 143(2): 021015.
doi: https://doi.org/10.1115/1.4049297
Topics:
Combustion
,
Combustion chambers
,
Ejectors
,
Evaporation
,
Flames
,
Heat
,
Ignition
,
Temperature
,
Flow (Dynamics)
,
Large eddy simulation
Large Eddy Simulation of a Condensing Wet Steam Turbine Cascade
J. Eng. Gas Turbines Power. February 2021, 143(2): 021016.
doi: https://doi.org/10.1115/1.4049348
Coupled Mode Flutter Analysis of Turbomachinery Blades Using an Adaptation of the p–k Method
J. Eng. Gas Turbines Power. February 2021, 143(2): 021017.
doi: https://doi.org/10.1115/1.4048986
Topics:
Blades
,
Flutter (Aerodynamics)
,
Mode shapes
,
Damping
,
Simulation
,
Turbomachinery
,
Flow (Dynamics)
,
Aerodynamics
,
Fluid-dynamic forces
Development of Experimental and Numerical Methods for the Analysis of Active Clearance Control Systems
Riccardo Da Soghe, Lorenzo Mazzei, Lorenzo Tarchi, Lorenzo Cocchi, Alessio Picchi, Bruno Facchini, Laurent Descamps, Julian Girardeau, Matthieu Simon
J. Eng. Gas Turbines Power. February 2021, 143(2): 021018.
doi: https://doi.org/10.1115/1.4049354
Numerical and Analytical Investigation of Heat Transfer Mechanisms and Flow Phenomena in an Intermediate Pressure Steam Turbine Blading During Startup
J. Eng. Gas Turbines Power. February 2021, 143(2): 021019.
doi: https://doi.org/10.1115/1.4049352
Topics:
Flow (Dynamics)
,
Heat transfer
,
Pressure
,
Heat
,
Blades
,
Fluids
,
Steam turbines
,
Simulation
On the Efficiency of a Conical Underplatform Damper for Turbines
J. Eng. Gas Turbines Power. February 2021, 143(2): 021020.
doi: https://doi.org/10.1115/1.4049665
Topics:
Dampers
,
Wedges
,
Kinematics
Topological Optimization of Under-Platform Dampers With Moving Morphable Components and Global Optimization Algorithm for Nonlinear Frequency Response
J. Eng. Gas Turbines Power. February 2021, 143(2): 021021.
doi: https://doi.org/10.1115/1.4049666
Topics:
Dampers
,
Geometry
,
Optimization
,
Optimization algorithms
,
Topology
,
Blades
,
Friction
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