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Brian T. Bohan
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Journal Articles

Swirler Design Parameter Impact on Lean Blowout, Pressure Loss, and Flame Liftoff

Kevin J. DeMarco, Marc D. Polanka, Brian T. Bohan
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2024, 146(10): 101018.
Paper No: GTP-24-1058
https://doi.org/10.1115/1.4065909
Published Online: August 16, 2024
View Article titled, Swirler Design Parameter Impact on Lean Blowout, Pressure Loss, and Flame Liftoff
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Topics: Design, Flames, Flow (Dynamics), Pressure, Combustion, Shapes, Fuels
Journal Articles

The Effect of Curved Geometry on Exiting Flow of Fluidic Oscillators

Brian T. Bohan, Marc D. Polanka, Il J. Kim, Jeffrey M. Layng
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. May 2024, 146(5): 051206.
Paper No: FE-23-1362
https://doi.org/10.1115/1.4064293
Published Online: January 24, 2024
View Article titled, The Effect of Curved Geometry on Exiting Flow of Fluidic Oscillators
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Topics: Flow (Dynamics), Fluids, Geometry, Nozzles, Oscillations
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
Publisher: ASME
Article Type: Research Papers
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

Manufacturing a Ceramic Turbine Rotor for a Compact Jet Engine

Bryan T. Leicht, Brian T. Bohan, Fred Schauer, Ryan Kemnitz, Lisa M. Rueschhoff, Benjamin Lam, James W. Kemp, William Costakis
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081009.
Paper No: TURBO-22-1099
https://doi.org/10.1115/1.4062124
Published Online: April 10, 2023
View Article titled, Manufacturing a Ceramic Turbine Rotor for a Compact Jet Engine
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Topics: Ceramics, Manufacturing, Rotors, Temperature, Turbines, Design, Stress, Engines, Finite element analysis
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
Publisher: American Society of Mechanical Engineers
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
Publisher: ASME
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
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
Publisher: American Society of Mechanical Engineers
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

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
Publisher: ASME
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
Publisher: ASME
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

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
Publisher: ASME
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
Publisher: ASME
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
Publisher: American Society of Mechanical Engineers
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

Experimental Analysis of an Additively Manufactured Cooled Ultra Compact Combustor Vane

Tylor C. Rathsack, Brian T. Bohan, Marc D. Polanka, James L. Rutledge
Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT17A003, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91425
https://doi.org/10.1115/GT2019-91425
View Paper titled, Experimental Analysis of an Additively Manufactured Cooled Ultra Compact Combustor Vane
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Topics: Additive manufacturing, Combustion chambers, Experimental analysis, Flow (Dynamics), Cavities, Film cooling, Computational fluid dynamics, Coolants, Cooling, Axial flow
Journal Articles

Analysis of an Additively Manufactured Cooled Ultra Compact Combustor Vane

Kevin J. DeMarco, Brian T. Bohan, Marc D. Polanka, James L. Rutledge, Pejman Akbari
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. October 2019, 11(5): 051021.
Paper No: TSEA-19-1066
https://doi.org/10.1115/1.4043548
Published Online: July 18, 2019
View Article titled, Analysis of an Additively Manufactured Cooled Ultra Compact Combustor Vane
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Topics: Additive manufacturing, Combustion chambers, Computational fluid dynamics, Coolants, Cooling, Film cooling, Flow (Dynamics), Pressure, Temperature, Chords (Trusses)
Journal Articles

Sweeping Jets Issuing From the Face of a Backward-Facing Step

Brian T. Bohan, Marc D. Polanka, James L. Rutledge
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. December 2019, 141(12): 121201.
Paper No: FE-18-1755
https://doi.org/10.1115/1.4043576
Published Online: June 3, 2019
View Article titled, Sweeping Jets Issuing From the Face of a Backward-Facing Step
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Topics: Carbon dioxide, Flow (Dynamics), Jets, Oscillations, Wind tunnels, Fuels, Fluids
Journal Articles

A New Spin on Small-Scale Combustor Geometry

Brian T. Bohan, Marc D. Polanka
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 011504.
Paper No: GTP-18-1227
https://doi.org/10.1115/1.4040658
Published Online: December 4, 2018
View Article titled, A New Spin on Small-Scale Combustor Geometry
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Topics: Combustion, Combustion chambers, Fuels
Proceedings Papers

Computational Analysis of an Additively Manufactured Cooled Ultra Compact Combustor Vane

Kevin J. DeMarco, Brian T. Bohan, Marc D. Polanka, James L. Rutledge, Pejman Akbari
Proc. ASME. GT2018, Volume 5C: Heat Transfer, V05CT17A002, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75392
https://doi.org/10.1115/GT2018-75392
View Paper titled, Computational Analysis of an Additively Manufactured Cooled Ultra Compact Combustor Vane
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Topics: Additive manufacturing, Combustion chambers, Cooling, Computational fluid dynamics, Weight (Mass), Aircraft, Airfoils, Design, Flow (Dynamics), Gas turbines
Proceedings Papers

A New Spin on Small-Scale Combustor Geometry

Brian T. Bohan, Marc D. Polanka
Proc. ASME. GT2018, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A016, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75338
https://doi.org/10.1115/GT2018-75338
View Paper titled, A New Spin on Small-Scale Combustor Geometry
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Topics: Combustion chambers, Geometry, Particle spin, Rotation, Spin (Aerodynamics), Combustion, Turbines, Cavities, Design, Engines
Proceedings Papers

Computational Analysis of a Novel Cooling Scheme for Ultra Compact Combustor Turbine Vanes

Brian T. Bohan, Marc D. Polanka, James L. Rutledge
Proc. ASME. GT2017, Volume 5C: Heat Transfer, V05CT17A002, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63319
https://doi.org/10.1115/GT2017-63319
View Paper titled, Computational Analysis of a Novel Cooling Scheme for Ultra Compact Combustor Turbine Vanes
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Topics: Combustion chambers, Cooling, Turbines, Computational fluid dynamics, Coolants, External pressure, Film cooling, Flow (Dynamics), Cavities, Chords (Trusses)
Journal Articles

Impact of an Upstream Film-Cooling Row on Mitigation of Secondary Combustion in a Fuel Rich Environment

Brian T. Bohan, David L. Blunck, Marc D. Polanka, Stanislav Kostka, Naibo Jiang, Scott D. Stouffer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2014, 136(3): 031008.
Paper No: TURBO-13-1055
https://doi.org/10.1115/1.4024690
Published Online: September 26, 2013
View Article titled, Impact of an Upstream Film-Cooling Row on Mitigation of Secondary Combustion in a Fuel Rich Environment
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Topics: Combustion, Coolants, Cooling, Film cooling, Fuels, Heat flux, Temperature