Volume 144 Issue 11 | J. Eng. Gas Turbines Power

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Research Papers

Spray Characterization of a Preheated Bio-Oil Surrogate at Elevated Pressures

Mohsen Broumand, Murray J. Thomson, Sean Yun, Zekai Hong

J. Eng. Gas Turbines Power. November 2022, 144(11): 111001. doi: https://doi.org/10.1115/1.4055360

Abstract

View articletitled, Spray Characterization of a Preheated Bio-Oil Surrogate at Elevated Pressures

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Topics: Drops , Sprays , Lasers , Fluids , Momentum , High pressure (Physics) , Nozzles , Density

A Nonlinear Rotordynamics Model for Automotive Turbochargers Coupled to a Physical Model for A (Semi) Floating Ring Bearing System

Wonbae Jung, Luis San Andrés, Jungbae Kim

J. Eng. Gas Turbines Power. November 2022, 144(11): 111002. doi: https://doi.org/10.1115/1.4055365

Abstract

View articletitled, A Nonlinear Rotordynamics Model for Automotive Turbochargers Coupled to a Physical Model for A (Semi) Floating Ring Bearing System

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Topics: Bearings , Rotors , Clearances (Engineering)

Flow Modal Decomposition of a Vertical-Axis Wind Turbine With the Moving Boundaries of Rotating Blades

Tian Tian, Chong Sun, Xiaocheng Zhu, Zhaohui Du

J. Eng. Gas Turbines Power. November 2022, 144(11): 111003. doi: https://doi.org/10.1115/1.4055411

Abstract

View articletitled, Flow Modal Decomposition of a Vertical-Axis Wind Turbine With the Moving Boundaries of Rotating Blades

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Topics: Blades , Flow (Dynamics) , Rotating blades , Rotation , Rotors , Vertical axis wind turbines , Vorticity , Wakes , Emission spectroscopy , Spectroscopy

An Optimization Methodology for Turbines Driven by Pulsed Detonation Combustors

Majid Asli, Panagiotis Stathopoulos

J. Eng. Gas Turbines Power. November 2022, 144(11): 111004. doi: https://doi.org/10.1115/1.4055490

Abstract

View articletitled, An Optimization Methodology for Turbines Driven by Pulsed Detonation Combustors

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Topics: Design , Optimization , Turbines , Entropy , Pressure , Flow (Dynamics) , Explosions , Blades , Simulation , Combustion chambers

A New Interpretation of Hot Gas Ingress Through Turbine Rim Seals Influenced by Mainstream Annulus Swirl

Dimitrios Graikos, Hui Tang, Carl M. Sangan, Gary D. Lock, James A. Scobie

J. Eng. Gas Turbines Power. November 2022, 144(11): 111005. doi: https://doi.org/10.1115/1.4055457

Abstract

View articletitled, A New Interpretation of Hot Gas Ingress Through Turbine Rim Seals Influenced by Mainstream Annulus Swirl

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Topics: Annulus , Clearances (Engineering) , Flow (Dynamics) , Rotors , Turbines , Wheels , Pressure , Turbulence , Sealing (Process)

Performance Assessment of Tesla Expander Using Three-Dimensional Numerical Simulation

Avinash Renuke, Alberto Traverso

J. Eng. Gas Turbines Power. November 2022, 144(11): 111006. doi: https://doi.org/10.1115/1.4055486

Abstract

View articletitled, Performance Assessment of Tesla Expander Using Three-Dimensional Numerical Simulation

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Topics: Computational fluid dynamics , Flow (Dynamics) , Nozzles , Pressure , Rotors , Stators , Turbines , Disks , Fluids

Optical and Numerical Investigation of Flame Propagation in a Heavy Duty Spark Ignited Natural Gas Engine With a Bowl-in-Piston Chamber

Jinlong Liu, Christopher J. Ulishney, Cosmin Emil Dumitrescu

J. Eng. Gas Turbines Power. November 2022, 144(11): 111007. doi: https://doi.org/10.1115/1.4055454

Abstract

View articletitled, Optical and Numerical Investigation of Flame Propagation in a Heavy Duty Spark Ignited Natural Gas Engine With a Bowl-in-Piston Chamber

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Topics: Combustion , Cylinders , Engines , Flames , Pistons , Turbulence , Compression , Computer simulation , Cycles , Pressure

Effect of Methane on the Ignition Process of Spray Flame Using Large Eddy Simulation

Wanhui Zhao, Ting Sun, Lei Zhou, Haiqiao Wei

J. Eng. Gas Turbines Power. November 2022, 144(11): 111008. doi: https://doi.org/10.1115/1.4055415

Abstract

View articletitled, Effect of Methane on the Ignition Process of Spray Flame Using Large Eddy Simulation

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Topics: Combustion , Flames , Fuels , Ignition , Large eddy simulation , Methane , Sprays , Temperature , High temperature

Modeling and Optimization of a Hospital Gas Turbine-Based Cogeneration System

Marco Zini, Roberto Sodini, Carlo Carcasci

J. Eng. Gas Turbines Power. November 2022, 144(11): 111009. doi: https://doi.org/10.1115/1.4055418

Abstract

View articletitled, Modeling and Optimization of a Hospital Gas Turbine-Based Cogeneration System

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Topics: Boilers , Combined heat and power , Emissions , Nitrogen oxides , Stress , Thermal energy , Turbines , Ducts , Transients (Dynamics)

Effect of Strong Azimuthal Swirl on Ignition and Light-Around in an Annular Combustor

Yi Hao Kwah, Pasquale Walter Agostinelli, Stephane Richard, Gorka Exilard, Stephane Pascaud, Laurent Gicquel, James R. Dawson

J. Eng. Gas Turbines Power. November 2022, 144(11): 111010. doi: https://doi.org/10.1115/1.4055459

Abstract

View articletitled, Effect of Strong Azimuthal Swirl on Ignition and Light-Around in an Annular Combustor

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Topics: Ejectors , Flames , Ignition , Combustion chambers

Knowledge-Based Process Design Optimization in Blisk Manufacturing

Markus Landwehr, Philipp Ganser, Georg Vinogradov, Thomas Bergs

J. Eng. Gas Turbines Power. November 2022, 144(11): 111011. doi: https://doi.org/10.1115/1.4055496

Abstract

View articletitled, Knowledge-Based Process Design Optimization in Blisk Manufacturing

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Topics: Blades , Manufacturing , Optimization , Process design , Finishing , Machining , Turbomachinery , Deflection

Thermodynamic Assessment of Exhaust Gas Recirculation in High-Volume Hydrogen Gas Turbines in Combined Cycle Mode

Silvia Ravelli

J. Eng. Gas Turbines Power. November 2022, 144(11): 111012. doi: https://doi.org/10.1115/1.4055353

Abstract

View articletitled, Thermodynamic Assessment of Exhaust Gas Recirculation in High-Volume Hydrogen Gas Turbines in Combined Cycle Mode

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Topics: Exhaust gas recirculation , Hydrogen , Stress , Flow (Dynamics) , Fuels , Temperature , Carbon dioxide

Power Flow Optimization for a Hybrid-Electric Propulsion System

Konstantinos I. Papadopoulos, Christos P. Nasoulis, Elissaios G. Ntouvelos, Vasilis G. Gkoutzamanis, Anestis I. Kalfas

J. Eng. Gas Turbines Power. November 2022, 144(11): 111013. doi: https://doi.org/10.1115/1.4055478

Abstract

View articletitled, Power Flow Optimization for a Hybrid-Electric Propulsion System

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Topics: Aircraft , Flight , Flow (Dynamics) , Modeling , Optimization , Propulsion , Propulsion systems , Energy consumption , Fuels , Engines

Compressor Surge Precursors for a Turbocharger Coupled to a Pressure Vessel

Paolo Silvestri, Federico Reggio, Carlo Alberto Niccolini Marmont Du Haut Champ, Mario Luigi Ferrari, Aristide Fausto Massardo

J. Eng. Gas Turbines Power. November 2022, 144(11): 111014. doi: https://doi.org/10.1115/1.4055479

Abstract

View articletitled, Compressor Surge Precursors for a Turbocharger Coupled to a Pressure Vessel

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Topics: Compressors , Signals , Surges , Transients (Dynamics) , Turbochargers , Accelerometers

A Stochastic and Bayesian Inference Toolchain for Uncertainty and Risk Quantification of Rare Autoignition Events in Dry Low-Emission Premixers

Sajjad Yousefian, Sandeep Jella, Philippe Versailles, Gilles Bourque, Rory F. D. Monaghan

J. Eng. Gas Turbines Power. November 2022, 144(11): 111015. doi: https://doi.org/10.1115/1.4055361

Abstract

View articletitled, A Stochastic and Bayesian Inference Toolchain for Uncertainty and Risk Quantification of Rare Autoignition Events in Dry Low-Emission Premixers

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Topics: Ignition , Modeling , Simulation , Uncertainty , Temperature distribution , Computational fluid dynamics , Temperature , Emissions , Risk

Wake Structure in Yawed Approaching Flows for an Axial-Flow Wind Turbine

Mohammad H. B. Ahmadi, Zhiyin Yang

J. Eng. Gas Turbines Power. November 2022, 144(11): 111016. doi: https://doi.org/10.1115/1.4055420

Abstract

View articletitled, Wake Structure in Yawed Approaching Flows for an Axial-Flow Wind Turbine

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Topics: Flow (Dynamics) , Rotors , Turbines , Wakes , Wind turbines , Yaw , Blades , Deflection , Actuators , Modeling

Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling

Niklas Maroldt, Lukas Schwerdt, Ricarda Berger, Lars Panning-von Scheidt, Raimund Rolfes, Jörg Wallaschek, Joerg R. Seume

J. Eng. Gas Turbines Power. November 2022, 144(11): 111017. doi: https://doi.org/10.1115/1.4055368

Abstract

View articletitled, Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling

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Topics: Acoustics , Blades , Compressors , Damping , Excitation , Fatigue , Rotors , Stiffness , Vibration , Modeling

Azimuthal Instabilities of an Annular Combustor With Different Swirling Injectors

Preethi Rajendram Soundararajan, Daniel Durox, Antoine Renaud, Sébastien Candel

J. Eng. Gas Turbines Power. November 2022, 144(11): 111018. doi: https://doi.org/10.1115/1.4055450

Abstract

View articletitled, Azimuthal Instabilities of an Annular Combustor With Different Swirling Injectors

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Topics: Combustion chambers , Ejectors , Flames , Sprays , Pressure drop , Stability , Swirling flow

Investigation of Gas Turbine Internal Cooling Using Supercritical CO₂—Effect of Surface Roughness and Channel Aspect Ratio

Arnab Roy, Matthew Searle, Sridharan Ramesh, Douglas Straub

J. Eng. Gas Turbines Power. November 2022, 144(11): 111019. doi: https://doi.org/10.1115/1.4055497

Abstract

View articletitled, Investigation of Gas Turbine Internal Cooling Using Supercritical CO<sub>2</sub>—Effect of Surface Roughness and Channel Aspect Ratio

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Topics: Computational fluid dynamics , Cooling , Flow (Dynamics) , Heat transfer , Reynolds number , Surface roughness , Friction , Simulation , Gas turbines , Sands

Analysis of a Multi-Generation Renewable Energy System With Hydrogen-Fueled Gas Turbine

Hilal Bahlawan, Enzo Losi, Lucrezia Manservigi, Mirko Morini, Pier Ruggero Spina, Mauro Venturini

J. Eng. Gas Turbines Power. November 2022, 144(11): 111020. doi: https://doi.org/10.1115/1.4055456

Abstract

View articletitled, Analysis of a Multi-Generation Renewable Energy System With Hydrogen-Fueled Gas Turbine

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Topics: Cooling , Gas turbines , Hydrogen , Hydrogen fuels , Hydrogen storage , Optimization , Renewable energy , Solar energy , Thermal energy , Proton exchange membranes

Circumferentially Grooved Seal Flow Field Analysis Based on Effective Film Thickness to Improve Bulk Flow Models

Nathaniel Gibbons, Cori Watson-Kassa, Christopher Goyne, Minhui He

J. Eng. Gas Turbines Power. November 2022, 144(11): 111021. doi: https://doi.org/10.1115/1.4055412

Abstract

View articletitled, Circumferentially Grooved Seal Flow Field Analysis Based on Effective Film Thickness to Improve Bulk Flow Models

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Topics: Film thickness , Flow (Dynamics) , Rotors , Shear stress , Pressure drop , Pressure , Leakage

The Inter-Bristle Pressure Field in a Large-Scale Brush Seal

Joshua P. Bowen, Matthew R. Jenkins, Aaron A. Bowsher, Peter F. Crudgington, Carl M. Sangan, James A. Scobie

J. Eng. Gas Turbines Power. November 2022, 144(11): 111022. doi: https://doi.org/10.1115/1.4055458

Abstract

View articletitled, The Inter-Bristle Pressure Field in a Large-Scale Brush Seal

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Topics: Clearances (Engineering) , Pressure , Rotors , Flow (Dynamics) , Stress

Comparison of Flame Describing Functions Measured in Single and Multiple Injector Configurations

Preethi Rajendram Soundararajan, Daniel Durox, Guillaume Vignat, Antoine Renaud, Jérôme Beaunier, Sébastien Candel

J. Eng. Gas Turbines Power. November 2022, 144(11): 111023. doi: https://doi.org/10.1115/1.4055451

Abstract

View articletitled, Comparison of Flame Describing Functions Measured in Single and Multiple Injector Configurations

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Topics: Ejectors , Flames , Sprays , Combustion chambers

Research Papers

Spray Characterization of a Preheated Bio-Oil Surrogate at Elevated Pressures

A Nonlinear Rotordynamics Model for Automotive Turbochargers Coupled to a Physical Model for A (Semi) Floating Ring Bearing System

Flow Modal Decomposition of a Vertical-Axis Wind Turbine With the Moving Boundaries of Rotating Blades

An Optimization Methodology for Turbines Driven by Pulsed Detonation Combustors

A New Interpretation of Hot Gas Ingress Through Turbine Rim Seals Influenced by Mainstream Annulus Swirl

Performance Assessment of Tesla Expander Using Three-Dimensional Numerical Simulation

Optical and Numerical Investigation of Flame Propagation in a Heavy Duty Spark Ignited Natural Gas Engine With a Bowl-in-Piston Chamber

Effect of Methane on the Ignition Process of Spray Flame Using Large Eddy Simulation

Modeling and Optimization of a Hospital Gas Turbine-Based Cogeneration System

Effect of Strong Azimuthal Swirl on Ignition and Light-Around in an Annular Combustor

Knowledge-Based Process Design Optimization in Blisk Manufacturing

Thermodynamic Assessment of Exhaust Gas Recirculation in High-Volume Hydrogen Gas Turbines in Combined Cycle Mode

Power Flow Optimization for a Hybrid-Electric Propulsion System

Compressor Surge Precursors for a Turbocharger Coupled to a Pressure Vessel

A Stochastic and Bayesian Inference Toolchain for Uncertainty and Risk Quantification of Rare Autoignition Events in Dry Low-Emission Premixers

Wake Structure in Yawed Approaching Flows for an Axial-Flow Wind Turbine

Reduced Order Modeling of Forced Response in a Multistage Compressor Under Mistuning and Aerocoupling

Azimuthal Instabilities of an Annular Combustor With Different Swirling Injectors

Investigation of Gas Turbine Internal Cooling Using Supercritical CO₂—Effect of Surface Roughness and Channel Aspect Ratio

Analysis of a Multi-Generation Renewable Energy System With Hydrogen-Fueled Gas Turbine

Circumferentially Grooved Seal Flow Field Analysis Based on Effective Film Thickness to Improve Bulk Flow Models

The Inter-Bristle Pressure Field in a Large-Scale Brush Seal

Comparison of Flame Describing Functions Measured in Single and Multiple Injector Configurations

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