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Journal Articles

Experimental Characterization of Superheated Ammonia Spray from a Single-hole ECN Spray M Injector

Accepted Manuscript
Karl Oskar Bjørgen, Anthony Desclaux, Christine Rousselle, Camille Hespel
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-25-1056
https://doi.org/10.1115/1.4068259
Published Online: March 22, 2025
View Article titled, Experimental Characterization of Superheated Ammonia Spray from a Single-hole ECN Spray M Injector
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Topics: Ejectors, Experimental characterization, Sprays, Superheating, Fuels, Boiling, Carbon, Cooling, Cylinders, Economics
Journal Articles

Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression

Yinke Qi, Xiaofeng Ma, Peixue Jiang, Yinhai Zhu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2025, 147(10): 101011.
Paper No: GTP-24-1738
https://doi.org/10.1115/1.4067989
Published Online: March 21, 2025
View Article titled, Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression
Open the PDF for Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression in another window
Topics: Brayton cycle, Cavities, Compression, Compressors, Cycles, Feedback, Integrated systems, Leakage, Pressure, Turbines
Journal Articles

Data-Driven Approach for Predicting Vibration Response of Bladed Disks With Geometric Mistuning

Daosen Liang, Zichu Jia, Yulin Wu, Zhifu Cao, Tao Zhang, Jun Fan, Jianyao Yao
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2025, 147(10): 101009.
Paper No: GTP-24-1467
https://doi.org/10.1115/1.4068014
Published Online: March 21, 2025
View Article titled, Data-Driven Approach for Predicting Vibration Response of Bladed Disks With Geometric Mistuning
Open the PDF for Data-Driven Approach for Predicting Vibration Response of Bladed Disks With Geometric Mistuning in another window
Topics: Artificial neural networks, Bladed disks, Blades, Deep neural networks, Disks, Vibration, Finite element model
Journal Articles

Experimental Investigation of Particulate Emissions From an Ammonia-Fueled Internal Combustion Engine

Tejashri Patil, Shawn Reggeti, Seamus P. Kane, William F. Northrop
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2025, 147(10): 101014.
Paper No: GTP-24-1811
https://doi.org/10.1115/1.4068030
Published Online: March 21, 2025
View Article titled, Experimental Investigation of Particulate Emissions From an Ammonia-Fueled Internal Combustion Engine
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Topics: Combustion, Emissions, Engines, Exhaust systems, Fuels, Internal combustion engines, Particulate matter, Temperature, Nitrogen, Hydrogen
Journal Articles

High-Temperature Industrial-Scale CO 2 Heat Pumps: Thermodynamic Analysis and Pilot-Scale Testing

Timothy J. Held, Jason Miller, Jason Mallinak, Luke Magyar
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2025, 147(10): 101010.
Paper No: GTP-24-1703
https://doi.org/10.1115/1.4068029
Published Online: March 21, 2025
View Article titled, High-Temperature Industrial-Scale CO 2 Heat Pumps: Thermodynamic Analysis and Pilot-Scale Testing
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Topics: Carbon dioxide, Compressors, Cycles, Fluids, Heat, Heat pumps, High temperature, Pressure, Temperature, Steam
Journal Articles

Multifidelity Optimization of Turbulence in a Gas Turbine Combustor Simulator

Jennifer A. Miklaszewski, Masha B. Folk, Peter E. Hamlington
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2025, 147(10): 101012.
Paper No: GTP-24-1748
https://doi.org/10.1115/1.4068012
Published Online: March 21, 2025
View Article titled, Multifidelity Optimization of Turbulence in a Gas Turbine Combustor Simulator
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Topics: Combustion chambers, Optimization, Pressure, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Design, Jets, Flow (Dynamics), Large eddy simulation
Image
The integrated system combining sCO2 Brayton cycle with HP leakage feedback unit (LS: labyrinth seal, TB: thrust bearing, JB: journal bearing)

The integrated system combining sCO 2 Brayton cycle with HP leakage feedba...

in Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression > Journal of Engineering for Gas Turbines and Power
Published Online: March 21, 2025
Fig. 1 The integrated system combining sCO 2 Brayton cycle with HP leakage feedback unit (LS: labyrinth seal, TB: thrust bearing, JB: journal bearing) More about this image found in The integrated system combining sCO 2 Brayton cycle with HP leakage feedba...
Image
The integrated system combining sCO2 Brayton cycle with DC leakage feedback unit (LS: labyrinth seal, TB: thrust bearing, JB: journal bearing)

The integrated system combining sCO 2 Brayton cycle with DC leakage feedba...

in Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression > Journal of Engineering for Gas Turbines and Power
Published Online: March 21, 2025
Fig. 2 The integrated system combining sCO 2 Brayton cycle with DC leakage feedback unit (LS: labyrinth seal, TB: thrust bearing, JB: journal bearing) More about this image found in The integrated system combining sCO 2 Brayton cycle with DC leakage feedba...
Image
The T–s diagram of the HP cycle (the temperature of CO2 and water is the real temperature while their corresponding entropy is that of the refrigerant)

The T – s diagram of the HP cycle (the temperature of CO 2 and water is ...

in Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression > Journal of Engineering for Gas Turbines and Power
Published Online: March 21, 2025
Fig. 3 The T – s diagram of the HP cycle (the temperature of CO 2 and water is the real temperature while their corresponding entropy is that of the refrigerant) More about this image found in The T – s diagram of the HP cycle (the temperature of CO 2 and water is ...
Image
Change curves of generator losses and mass percentage of leakage flow as a function of cavity pressure for TAC at different rotational speeds

Change curves of generator losses and mass percentage of leakage flow as a ...

in Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression > Journal of Engineering for Gas Turbines and Power
Published Online: March 21, 2025
Fig. 4 Change curves of generator losses and mass percentage of leakage flow as a function of cavity pressure for TAC at different rotational speeds More about this image found in Change curves of generator losses and mass percentage of leakage flow as a ...
Image
Change curves of Wnet, ΔH, and η as a function of cavity pressure for two integrated systems at different rotational speeds

Change curves of W net , Δ H , and η as a fun...

in Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression > Journal of Engineering for Gas Turbines and Power
Published Online: March 21, 2025
Fig. 5 Change curves of W net , Δ H , and η as a function of cavity pressure for two integrated systems at different rotational speeds More about this image found in Change curves of W net , Δ H , and η as a fun...
Image
Change curves of net power, windage losses, and feedback compression work as a function of cavity pressure for the DC integrated system at N = 40 kRPM

Change curves of net power, windage losses, and feedback compression work a...

in Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression > Journal of Engineering for Gas Turbines and Power
Published Online: March 21, 2025
Fig. 6 Change curves of net power, windage losses, and feedback compression work as a function of cavity pressure for the DC integrated system at N  = 40 kRPM More about this image found in Change curves of net power, windage losses, and feedback compression work a...
Image
Change curves of generator losses and mass percentage of leakage flow as a function of cavity pressure for TAC at different leakage factors

Change curves of generator losses and mass percentage of leakage flow as a ...

in Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression > Journal of Engineering for Gas Turbines and Power
Published Online: March 21, 2025
Fig. 7 Change curves of generator losses and mass percentage of leakage flow as a function of cavity pressure for TAC at different leakage factors More about this image found in Change curves of generator losses and mass percentage of leakage flow as a ...
Image
Change curves of Wnet, ΔH, and η as a function of cavity pressure for two integrated systems at different leakage ratios

Change curves of W net , Δ H , and η as a fun...

in Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression > Journal of Engineering for Gas Turbines and Power
Published Online: March 21, 2025
Fig. 8 Change curves of W net , Δ H , and η as a function of cavity pressure for two integrated systems at different leakage ratios More about this image found in Change curves of W net , Δ H , and η as a fun...
Image
Change curves of Wnet, ΔH, and η as a function of cavity pressure for two integrated systems using different refrigerants

Change curves of W net , Δ H , and η as a fun...

in Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression > Journal of Engineering for Gas Turbines and Power
Published Online: March 21, 2025
Fig. 9 Change curves of W net , Δ H , and η as a function of cavity pressure for two integrated systems using different refrigerants More about this image found in Change curves of W net , Δ H , and η as a fun...
Image
The T–s diagrams of HP feedback units using different refrigerants

The T – s diagrams of HP feedback units using different refrigerants

in Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression > Journal of Engineering for Gas Turbines and Power
Published Online: March 21, 2025
Fig. 10 The T – s diagrams of HP feedback units using different refrigerants More about this image found in The T – s diagrams of HP feedback units using different refrigerants
Image
Change curves of Wnet, ΔH, and η as a function of cavity pressure for two integrated systems at different configurations

Change curves of W net , Δ H , and η as a fun...

in Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression > Journal of Engineering for Gas Turbines and Power
Published Online: March 21, 2025
Fig. 11 Change curves of W net , Δ H , and η as a function of cavity pressure for two integrated systems at different configurations More about this image found in Change curves of W net , Δ H , and η as a fun...
Image
The selection suggestion charts for the feedback unit

The selection suggestion charts for the feedback unit

in Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression > Journal of Engineering for Gas Turbines and Power
Published Online: March 21, 2025
Fig. 12 The selection suggestion charts for the feedback unit More about this image found in The selection suggestion charts for the feedback unit
Image
Comparisons before and after GA optimization

Comparisons before and after GA optimization

in Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression > Journal of Engineering for Gas Turbines and Power
Published Online: March 21, 2025
Fig. 13 Comparisons before and after GA optimization More about this image found in Comparisons before and after GA optimization
Image
The temperature variation curve of leakage flow inside TAC

The temperature variation curve of leakage flow inside TAC

in Modeling and Performance Analysis on an Integrated System Combining Supercritical Carbon Dioxide Brayton Cycle With Leakage Feedback Utilizing a Heat Pump or Direct Compression > Journal of Engineering for Gas Turbines and Power
Published Online: March 21, 2025
Fig. 14 The temperature variation curve of leakage flow inside TAC More about this image found in The temperature variation curve of leakage flow inside TAC