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Volume 142, Issue 9

September 2020

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ISSN 0742-4795

EISSN 1528-8919

In this Issue

Research Papers

Research Papers

Preliminary Design and Performance Assessment of an Underwater Compressed Air Energy Storage System for Wind Power Balancing

Marco Astolfi, Giulio Guandalini, Marco Belloli, Adriano Hirn, Paolo Silva, Stefano Campanari

J. Eng. Gas Turbines Power. September 2020, 142(9): 091001. doi: https://doi.org/10.1115/1.4047375

Abstract

View articletitled, Preliminary Design and Performance Assessment of an Underwater Compressed Air Energy Storage System for Wind Power Balancing

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Topics: Compressors , Design , Storage , Pressure , Wind farms , Turbines , Compressed air , Energy storage , Stress , Temperature

An Accurate Linearization of Electromagnetic Force of Heteropolar Magnetic Bearings With Redundant Structures

Cheng Xin, Cheng Baixin, Liu Han, Allen G. M

J. Eng. Gas Turbines Power. September 2020, 142(9): 091002. doi: https://doi.org/10.1115/1.4046703

Abstract

View articletitled, An Accurate Linearization of Electromagnetic Force of Heteropolar Magnetic Bearings With Redundant Structures

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Topics: Electromagnetic force , Magnetic bearings , Rotors , Errors , Equilibrium (Physics)

Investigation of Gasoline Compression Ignition for Combustion Control

Vittorio Ravaglioli, Fabrizio Ponti, Matteo De Cesare

J. Eng. Gas Turbines Power. September 2020, 142(9): 091003. doi: https://doi.org/10.1115/1.4048055

Abstract

View articletitled, Investigation of Gasoline Compression Ignition for Combustion Control

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Topics: Combustion , Compression , Cylinders , Fuels , Gasoline , Ignition , Ignition delay , Pressure , Silicon-on-insulator , Temperature

Spectral Microscopy Imaging System for High-Resolution and High-Speed Imaging of Fuel Sprays

Ken Maassen, Farzad Poursadegh, Caroline Genzale

J. Eng. Gas Turbines Power. September 2020, 142(9): 091004. doi: https://doi.org/10.1115/1.4048057

Abstract

View articletitled, Spectral Microscopy Imaging System for High-Resolution and High-Speed Imaging of Fuel Sprays

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Topics: Engines , Fuels , Image processing , Imaging , Lenses (Optics) , Microscopy , Resolution (Optics) , Sprays , Filters , Sensors

Influence of an Additional Indexing Rotary Axis on Wire Electrical Discharge Machining Performance for the Automated Manufacture of Fir Tree Slots

Thomas Bergs, Ugur Tombul, Tim Herrig, Andreas Klink, David Welling

J. Eng. Gas Turbines Power. September 2020, 142(9): 091005. doi: https://doi.org/10.1115/1.4046805

Abstract

View articletitled, Influence of an Additional Indexing Rotary Axis on Wire Electrical Discharge Machining Performance for the Automated Manufacture of Fir Tree Slots

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Topics: Cutting , Electrical discharge machining , Indexing (Machining) , Machinery , Machining , Wire , Nickel , Alloys

Numerical Investigation of Combustion Instabilities in a Single-Element Lean Direct Inject Combustor Using Flamelet Based Approaches

Saurabh Sudhir Patwardhan, Pravin Nakod, Stefano Orsino, Carlo Arguinzoni

J. Eng. Gas Turbines Power. September 2020, 142(9): 091006. doi: https://doi.org/10.1115/1.4047110

Abstract

View articletitled, Numerical Investigation of Combustion Instabilities in a Single-Element Lean Direct Inject Combustor Using Flamelet Based Approaches

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Topics: Acoustics , Combustion , Combustion chambers , Oscillations , Pressure , Simulation , Boundary-value problems , Dynamics (Mechanics) , Mode shapes

Impact of Turbomachinery Degradation on Performance and Dynamic Behavior of Supercritical CO₂ Cycle

Seongmin Son, Jeong Yeol Baek, Yongju Jeong, Jeong Ik Lee

J. Eng. Gas Turbines Power. September 2020, 142(9): 091007. doi: https://doi.org/10.1115/1.4047888

Abstract

View articletitled, Impact of Turbomachinery Degradation on Performance and Dynamic Behavior of Supercritical CO<sub>2</sub> Cycle

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Topics: Compressors , Cycles , Stress , Supercritical carbon dioxide , Turbines , Turbomachinery , Control equipment , Power systems (Machinery)

Numerical Comparison of Leakage Flow and Rotordynamic Characteristics for Two Types of Labyrinth Seals With Baffles

Yuanqiao Zhang, Jun Li, Zhigang Li, Xin Yan

J. Eng. Gas Turbines Power. September 2020, 142(9): 091008. doi: https://doi.org/10.1115/1.4048053

Abstract

View articletitled, Numerical Comparison of Leakage Flow and Rotordynamic Characteristics for Two Types of Labyrinth Seals With Baffles

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Topics: Damping , Leakage flows , Pressure , Rotors , Stiffness , Whirls , Oscillating frequencies , Cavities , Flow (Dynamics)

Optimal Control and Energy Management for Hybrid Gas-Electric Propulsion

Hanz Richter, Joseph W. Connolly, Donald L. Simon

J. Eng. Gas Turbines Power. September 2020, 142(9): 091009. doi: https://doi.org/10.1115/1.4047890

Abstract

View articletitled, Optimal Control and Energy Management for Hybrid Gas-Electric Propulsion

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Topics: Engines , Flight , Fuels , Optimal control , Simulation , Storage , Torque , Transients (Dynamics) , Flow (Dynamics) , Dynamics (Mechanics)

Effect of Tip Clearance on the Aeroelastic Stability of a Wide-Chord Fan Rotor

Xu Dong, Yingjie Zhang, Ziqing Zhang, Xingen Lu, Yanfeng Zhang

J. Eng. Gas Turbines Power. September 2020, 142(9): 091010. doi: https://doi.org/10.1115/1.4048020

Abstract

View articletitled, Effect of Tip Clearance on the Aeroelastic Stability of a Wide-Chord Fan Rotor

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Topics: Blades , Clearances (Engineering) , Damping , Pressure , Chords (Trusses) , Flow (Dynamics) , Stability , Rotors

In-Cylinder Temperature Measurements in a 55-cm³ Two-Stroke Engine Via Tunable Laser Absorption Spectroscopy

Joseph K. Ausserer, Marc D. Polanka, Matthew J. Deutsch, Jacob A. Baranski, Keith D. Rein

J. Eng. Gas Turbines Power. September 2020, 142(9): 091011. doi: https://doi.org/10.1115/1.4045441

Abstract

View articletitled, In-Cylinder Temperature Measurements in a 55-cm<sup>3</sup> Two-Stroke Engine Via Tunable Laser Absorption Spectroscopy

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Topics: Absorption spectroscopy , Cylinders , Engines , Pressure , Temperature , Two-stroke engines , Tunable lasers , Combustion

A Comparison of Static and Rotordynamic Characteristics for Two Types of Liquid Annular Seals With Parallelly Grooved Stator/Rotor

Zhigang Li, Zhi Fang, Jun Li

J. Eng. Gas Turbines Power. September 2020, 142(9): 091012. doi: https://doi.org/10.1115/1.4048144

Abstract

View articletitled, A Comparison of Static and Rotordynamic Characteristics for Two Types of Liquid Annular Seals With Parallelly Grooved Stator/Rotor

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Topics: Damping , Pressure drop , Rotors , Stiffness , Whirls , Leakage flows , Fluids , Stators , Transients (Dynamics) , Drag (Fluid dynamics)

On the Effects of Injection Strategy, Exhaust Gas Recirculation, and Intake Boost on TSCI With Wet Ethanol

Brian Gainey, Ziming Yan, Mozhgan Rahimi-Boldaji, Benjamin Lawler

J. Eng. Gas Turbines Power. September 2020, 142(9): 091013. doi: https://doi.org/10.1115/1.4048150

Abstract

View articletitled, On the Effects of Injection Strategy, Exhaust Gas Recirculation, and Intake Boost on TSCI With Wet Ethanol

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Topics: Combustion , Compression , Cylinders , Ethanol , Exhaust gas recirculation , Fuels , Heat , Ignition , Temperature , Thermal stratification

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In-Situ Species Concentration Measurements In Ammonia-Mix Flames Using Ftir Spectroscopy

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Temperature Dependence of Aerated Turbine Lubricating Oil Degradation from a Lab-Scale Test Rig

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Validation of the Numerical Simulation of Rotor/Stator Interactions in Aircraft Engine Low-Pressure Compressors

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Multi-Disciplinary Surrogate-Based Optimization of a Compressor Rotor Blade Considering Ice Impact

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Experimental Investigations on Carbon Segmented Seals With Smooth and Pocketed Pads

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Research Papers

Preliminary Design and Performance Assessment of an Underwater Compressed Air Energy Storage System for Wind Power Balancing

An Accurate Linearization of Electromagnetic Force of Heteropolar Magnetic Bearings With Redundant Structures

Investigation of Gasoline Compression Ignition for Combustion Control

Spectral Microscopy Imaging System for High-Resolution and High-Speed Imaging of Fuel Sprays

Influence of an Additional Indexing Rotary Axis on Wire Electrical Discharge Machining Performance for the Automated Manufacture of Fir Tree Slots

Numerical Investigation of Combustion Instabilities in a Single-Element Lean Direct Inject Combustor Using Flamelet Based Approaches

Impact of Turbomachinery Degradation on Performance and Dynamic Behavior of Supercritical CO₂ Cycle

Numerical Comparison of Leakage Flow and Rotordynamic Characteristics for Two Types of Labyrinth Seals With Baffles

Optimal Control and Energy Management for Hybrid Gas-Electric Propulsion

Effect of Tip Clearance on the Aeroelastic Stability of a Wide-Chord Fan Rotor

In-Cylinder Temperature Measurements in a 55-cm³ Two-Stroke Engine Via Tunable Laser Absorption Spectroscopy

A Comparison of Static and Rotordynamic Characteristics for Two Types of Liquid Annular Seals With Parallelly Grooved Stator/Rotor

On the Effects of Injection Strategy, Exhaust Gas Recirculation, and Intake Boost on TSCI With Wet Ethanol

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