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Journal Articles

Design Impacts on Ram Air Vane Cooling in an Ultra-Compact Combustor

Kevin J. DeMarco, Marc D. Polanka, Brian T. Bohan, James L. Rutledge
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research Papers
Publisher: ASME
J. Thermal Sci. Eng. Appl. October 2023, 15(10): 101005.
Paper No: TSEA-22-1539
https://doi.org/10.1115/1.4062703
Published Online: June 26, 2023
View Article titled, Design Impacts on Ram Air Vane Cooling in an Ultra-Compact Combustor
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Topics: Combustion chambers, Cooling, Design, Flow (Dynamics), Pressure, Temperature, Film cooling, Coolants, Chords (Trusses)
Journal Articles

Correlations for the Performance, Efficiency, and Energy Losses for Single Cylinder, Four-Cycle Internal Combustion Engines With Displaced Volumes Ranging From 40 to 200 cc

Jason R. Blantin, Marc D. Polanka, Joseph K. Ausserer, Jacob A. Baranski
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031027.
Paper No: GTP-21-1481
https://doi.org/10.1115/1.4053563
Published Online: February 15, 2023
View Article titled, Correlations for the Performance, Efficiency, and Energy Losses for Single Cylinder, Four-Cycle Internal Combustion Engines With Displaced Volumes Ranging From 40 to 200 cc
Open the PDF for Correlations for the Performance, Efficiency, and Energy Losses for Single Cylinder, Four-Cycle Internal Combustion Engines With Displaced Volumes Ranging From 40 to 200 cc in another window
Topics: Combustion, Cylinders, Engines, Exhaust systems, Fuels, Internal combustion engines, Enthalpy, Brakes, Temperature, Cooling loads
Proceedings Papers

A Resistive Model to Characterize Overall Effectiveness Influenced by Multiple Coolant Temperatures

James L. Rutledge, Matthew N. Fuqua, Marc D. Polanka, William P. Baker
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A017, June 13–17, 2022
Paper No: GT2022-81816
https://doi.org/10.1115/GT2022-81816
View Paper titled, A Resistive Model to Characterize Overall Effectiveness Influenced by Multiple Coolant Temperatures
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Topics: Coolants, Temperature, Computational fluid dynamics, Engineering simulation, Flow (Dynamics), Simulation, Turbines
Journal Articles

A Resistive Model to Characterize Overall Effectiveness Influenced by Multiple Coolant Temperatures

James L. Rutledge, Matthew N. Fuqua, Marc D. Polanka, William P. Baker
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. February 2023, 145(2): 021004.
Paper No: TURBO-22-1210
https://doi.org/10.1115/1.4055530
Published Online: October 11, 2022
View Article titled, A Resistive Model to Characterize Overall Effectiveness Influenced by Multiple Coolant Temperatures
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Topics: Coolants, Temperature
Proceedings Papers

A Numerical Sensitivity Study of Modeling Parameters in the Combustion of a Swirler

Saja H. Al-Rifai, Cheng-Xian Lin, Brian T. Bohan, Marc D. Polanka
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A055, June 7–11, 2021
Paper No: GT2021-59392
https://doi.org/10.1115/GT2021-59392
View Paper titled, A Numerical Sensitivity Study of Modeling Parameters in the Combustion of a Swirler
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Topics: Combustion, Modeling, Turbulence, Gravity (Force), Prandtl number, Computation, Computational fluid dynamics, Diffusion (Physics), Disks, Gas turbines
Journal Articles

Computational and Experimental Analysis of a Compact Combustor Integrated Into a JetCat P90 RXi

Daniel Holobeny, Brian T. Bohan, Marc D. Polanka
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2021, 143(9): 091023.
Paper No: GTP-20-1832
https://doi.org/10.1115/1.4051348
Published Online: July 2, 2021
View Article titled, Computational and Experimental Analysis of a Compact Combustor Integrated Into a JetCat P90 RXi
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Topics: Combustion chambers, Engines, Temperature, Fuels, Turbines, Design, Flow (Dynamics), Pressure, Flames
Journal Articles

Experimental Investigation of a Radial Wave Engine Utilizing a Rotary Valved Pressure Gain Combustor

Pejman Akbari, Grant M. Brady, Brian C. Sell, Marc D. Polanka
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2021, 143(4): 041027.
Paper No: GTP-20-1742
https://doi.org/10.1115/1.4049452
Published Online: March 10, 2021
View Article titled, Experimental Investigation of a Radial Wave Engine Utilizing a Rotary Valved Pressure Gain Combustor
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Topics: Combustion, Combustion chambers, Engines, Flow (Dynamics), Pressure, Turbines, Valves, Waves, Fuels
Proceedings Papers

Experimental Investigation of a Radial Wave Engine Utilizing a Rotary Valved Pressure Gain Combustor

Pejman Akbari, Grant M. Brady, Brian C. Sell, Marc D. Polanka
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A062, September 21–25, 2020
Paper No: GT2020-16237
https://doi.org/10.1115/GT2020-16237
View Paper titled, Experimental Investigation of a Radial Wave Engine Utilizing a Rotary Valved Pressure Gain Combustor
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Topics: Combustion chambers, Engines, Pressure, Waves, Valves, Combustion, Flow (Dynamics), Fuels, Geometry, Rotors
Proceedings Papers

Scaling Considerations for Thermal and Pressure Sensitive Paint Methods Used to Determine Adiabatic Effectiveness

Luke J. McNamara, Jacob P. Fischer, James L. Rutledge, Marc D. Polanka
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A068, September 21–25, 2020
Paper No: GT2020-16129
https://doi.org/10.1115/GT2020-16129
View Paper titled, Scaling Considerations for Thermal and Pressure Sensitive Paint Methods Used to Determine Adiabatic Effectiveness
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Topics: Paints, Pressure, Engines, Coolants, Film cooling, Flow (Dynamics), Experimental methods, Heat, Temperature, Accounting
Proceedings Papers

Circumferential Combustor Cavity Flow Fields With Decreasing Core Flow

Brian T. Bohan, Marc D. Polanka, Larry P. Goss
Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A004, September 21–25, 2020
Paper No: GT2020-14151
https://doi.org/10.1115/GT2020-14151
View Paper titled, Circumferential Combustor Cavity Flow Fields With Decreasing Core Flow
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Topics: Cavity flows, Combustion chambers, Flow (Dynamics), Engines, Cavities, Compressors, Particulate matter, Emissions, Fluids, Gas turbines
Journal Articles

Scaling Considerations for Thermal and Pressure-Sensitive Paint Methods Used to Determine Adiabatic Effectiveness

Luke J. McNamara, Jacob P. Fischer, James L. Rutledge, Marc D. Polanka
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. January 2021, 143(1): 011004.
Paper No: TURBO-20-1222
https://doi.org/10.1115/1.4049102
Published Online: December 28, 2020
View Article titled, Scaling Considerations for Thermal and Pressure-Sensitive Paint Methods Used to Determine Adiabatic Effectiveness
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Topics: Coolants, Film cooling, Mass transfer, Pressure, Temperature, Paints, Gases
Journal Articles

Design, Analysis, and Manufacture of an Axial Length-Saving Disk-Oriented Engine

Bennett M. Staton, Brian T. Bohan, Marc D. Polanka, Larry P. Goss
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2021, 143(1): 011001.
Paper No: GTP-20-1160
https://doi.org/10.1115/1.4048085
Published Online: December 21, 2020
View Article titled, Design, Analysis, and Manufacture of an Axial Length-Saving Disk-Oriented Engine
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Topics: Combustion, Combustion chambers, Computational fluid dynamics, Design, Disks, Engines, Flow (Dynamics), Fuels, Thrust, Turbines
Journal Articles

Internal Geometry and External Wall Effects on Fluidic Oscillator Behavior

Gabrielle C. Claus, Andrew Hatton, Brian T. Bohan, Marc D. Polanka
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. November 2020, 142(11): 111212.
Paper No: FE-20-1244
https://doi.org/10.1115/1.4047849
Published Online: September 4, 2020
View Article titled, Internal Geometry and External Wall Effects on Fluidic Oscillator Behavior
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Topics: Flow (Dynamics), Geometry, Nozzles, Oscillations, Reynolds number
Journal Articles

In-Cylinder Temperature Measurements in a 55-cm 3 Two-Stroke Engine Via Tunable Laser Absorption Spectroscopy

Joseph K. Ausserer, Marc D. Polanka, Matthew J. Deutsch, Jacob A. Baranski, Keith D. Rein
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2020, 142(9): 091011.
Paper No: GTP-19-1152
https://doi.org/10.1115/1.4045441
Published Online: August 31, 2020
View Article titled, In-Cylinder Temperature Measurements in a 55-cm 3 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
Journal Articles

Scaling Flat-Plate, Low-Temperature Adiabatic Effectiveness Results Using the Advective Capacity Ratio

Jacob P. Fischer, Luke J. McNamara, James L. Rutledge, Marc D. Polanka
Journal: Journal of Turbomachinery
Article Type: Research Papers
Publisher: ASME
J. Turbomach. August 2020, 142(8): 081010.
Paper No: TURBO-19-1124
https://doi.org/10.1115/1.4046544
Published Online: July 29, 2020
View Article titled, Scaling Flat-Plate, Low-Temperature Adiabatic Effectiveness Results Using the Advective Capacity Ratio
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Topics: Coolants, Density, Flat plates, Flow (Dynamics), Gases, Low temperature, Turbulence, Momentum, Specific heat, Film cooling
Journal Articles

Experimental Analysis of an Ultra-Compact Combustor Powered Turbine Engine

Brian T. Bohan, Marc D. Polanka
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2020, 142(5): 051014.
Paper No: GTP-19-1767
https://doi.org/10.1115/1.4046759
Published Online: April 29, 2020
View Article titled, Experimental Analysis of an Ultra-Compact Combustor Powered Turbine Engine
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Topics: Combustion chambers, Engines, Temperature, Fuels, Combustion, Pressure, Turbines, Flow (Dynamics), Gas turbines
Journal Articles

The Effect of Scale and Working Fluid on Sweeping Jet Frequency and Oscillation Angle

Brian T. Bohan, Marc D. Polanka
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. June 2020, 142(6): 061206.
Paper No: FE-19-1787
https://doi.org/10.1115/1.4046167
Published Online: March 5, 2020
View Article titled, The Effect of Scale and Working Fluid on Sweeping Jet Frequency and Oscillation Angle
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Topics: Fluids, Oscillations, Reynolds number, Geometry, Surface roughness, Carbon dioxide
Proceedings Papers

Experimental Analysis of an Ultra Compact Combustor Powered Turbine Engine

Brian T. Bohan, Marc D. Polanka
Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A037, June 17–21, 2019
Paper No: GT2019-90607
https://doi.org/10.1115/GT2019-90607
View Paper titled, Experimental Analysis of an Ultra Compact Combustor Powered Turbine Engine
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Topics: Combustion chambers, Experimental analysis, Gas turbines, Engines, Combustion, Cavities, Turbines, Compressors, Flow (Dynamics), Nozzle guide vanes
Proceedings Papers

Development and Initial Testing of a Radial Wave Engine

Pejman Akbari, Christopher J. Tait, Marc D. Polanka, Brian C. Sell
Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A038, June 17–21, 2019
Paper No: GT2019-90608
https://doi.org/10.1115/GT2019-90608
View Paper titled, Development and Initial Testing of a Radial Wave Engine
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Topics: Engines, Testing, Waves, Combustion chambers, Combustion, Gas turbines, Pressure, Disks, Weight (Mass), Design
Proceedings Papers

Scaling Flat Plate, Low Temperature Adiabatic Effectiveness Results Using the Advective Capacity Ratio

Jacob P. Fischer, James L. Rutledge, Luke J. McNamara, Marc D. Polanka
Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT13A006, June 17–21, 2019
Paper No: GT2019-90997
https://doi.org/10.1115/GT2019-90997
View Paper titled, Scaling Flat Plate, Low Temperature Adiabatic Effectiveness Results Using the Advective Capacity Ratio
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Topics: Flat plates, Low temperature, Coolants, Flow (Dynamics), Density, Engines, Specific heat, Gases, Design, Film cooling