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James L. Rutledge
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Journal Articles

Temperature Dependent Property Considerations for Biot Number Matching With Composite Materials

Carol E. Bryant, James L. Rutledge
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041010.
Paper No: TURBO-21-1261
DOI: https://doi.org/10.1115/1.4055927
Published Online: November 7, 2022
View Article titled, Temperature Dependent Property Considerations for Biot Number Matching With Composite Materials
Click here to open pdf in another window PDF for Temperature Dependent Property Considerations for Biot Number Matching With Composite Materials
Topics: Ceramic matrix composites, Composite materials, Engines, Errors, Low temperature, Temperature, Thermal conductivity, Cooling, Anisotropy, Turbine components
Proceedings Papers

Scaling Flat Plate Overall Effectiveness Measurements

Luke J. McNamara, Jacob P. Fischer, Marta Kernan, James L. Rutledge
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A018, June 13–17, 2022
Paper No: GT2022-81826
DOI: https://doi.org/10.1115/GT2022-81826
View Paper titled, Scaling Flat Plate Overall Effectiveness Measurements
Click here to open pdf in another window PDF for Scaling Flat Plate Overall Effectiveness Measurements
Topics: Flat plates, Coolants, Engines, Flow (Dynamics), Thermal conductivity, Turbine components, Cooling, Design, Gases, Low temperature
Proceedings Papers

Theoretical Considerations for Scaling Convection in Overall Effectiveness Experiments

Carol E. Bryant, James L. Rutledge
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A015, June 13–17, 2022
Paper No: GT2022-81508
DOI: https://doi.org/10.1115/GT2022-81508
View Paper titled, Theoretical Considerations for Scaling Convection in Overall Effectiveness Experiments
Click here to open pdf in another window PDF for Theoretical Considerations for Scaling Convection in Overall Effectiveness Experiments
Topics: Computational fluid dynamics, Convection, Coolants, Density, Engineering simulation, Engines, Flow (Dynamics), Fluids, Gases, Heat transfer coefficients
Proceedings Papers

Flow Scaling Considerations for Internal Coolant Warming

Connor J. Wiese, Carol E. Bryant, James L. Rutledge
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A010, June 13–17, 2022
Paper No: GT2022-81510
DOI: https://doi.org/10.1115/GT2022-81510
View Paper titled, Flow Scaling Considerations for Internal Coolant Warming
Click here to open pdf in another window PDF for Flow Scaling Considerations for Internal Coolant Warming
Topics: Coolants, Flow (Dynamics), Engines, Fluids, Gases, Temperature distribution, Turbine components
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
DOI: https://doi.org/10.1115/GT2022-81816
View Paper titled, A Resistive Model to Characterize Overall Effectiveness Influenced by Multiple Coolant Temperatures
Click here to open pdf in another window PDF for A Resistive Model to Characterize Overall Effectiveness Influenced by Multiple Coolant Temperatures
Topics: Coolants, Temperature, Computational fluid dynamics, Engineering simulation, Flow (Dynamics), Simulation, Turbines
Journal Articles

Scaling Flat Plate Overall Effectiveness Measurements

Luke J. McNamara, Jacob P. Fischer, Marta E. Kernan, James L. Rutledge
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031003.
Paper No: TURBO-22-1212
DOI: https://doi.org/10.1115/1.4055614
Published Online: October 17, 2022
View Article titled, Scaling Flat Plate Overall Effectiveness Measurements
Click here to open pdf in another window PDF for Scaling Flat Plate Overall Effectiveness Measurements
Topics: Coolants, Flat plates, Gases, Thermal conductivity, Cooling, Temperature, Carbon dioxide, Reynolds number, Engines, Specific heat
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
DOI: 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
Click here to open pdf in another window PDF for A Resistive Model to Characterize Overall Effectiveness Influenced by Multiple Coolant Temperatures
Topics: Coolants, Temperature
Journal Articles

Theoretical Considerations for Scaling Convection in Overall Effectiveness Experiments

Carol E. Bryant, James L. Rutledge
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011007.
Paper No: TURBO-22-1209
DOI: https://doi.org/10.1115/1.4055446
Published Online: October 7, 2022
View Article titled, Theoretical Considerations for Scaling Convection in Overall Effectiveness Experiments
Click here to open pdf in another window PDF for Theoretical Considerations for Scaling Convection in Overall Effectiveness Experiments
Topics: Coolants, Cooling, Temperature distribution, Simulation, Heat transfer coefficients, Thermal conductivity, Film cooling, Engineering simulation
Journal Articles

The Dufour Effect in Film Cooling Experiments With Foreign Gases

Connor J. Wiese, Jacob P. Anthony Fischer, Carol E. Bryant, James L. Rutledge
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. April 2022, 14(4): 041016.
Paper No: TSEA-21-1473
DOI: https://doi.org/10.1115/1.4052810
Published Online: November 18, 2021
View Article titled, The Dufour Effect in Film Cooling Experiments With Foreign Gases
Click here to open pdf in another window PDF for The Dufour Effect in Film Cooling Experiments With Foreign Gases
Topics: Carbon dioxide, Coolants, Cooling, Film cooling, Flat plates, Flow (Dynamics), Gases, Helium, Separation (Technology), Temperature
Journal Articles

Characterization of Overall Effectiveness Under the Influence of Two Coolant Temperatures

Matthew N. Fuqua, James L. Rutledge
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. February 2022, 144(2): 021004.
Paper No: TURBO-20-1315
DOI: https://doi.org/10.1115/1.4052212
Published Online: September 27, 2021
View Article titled, Characterization of Overall Effectiveness Under the Influence of Two Coolant Temperatures
Click here to open pdf in another window PDF for Characterization of Overall Effectiveness Under the Influence of Two Coolant Temperatures
Topics: Coolants, Temperature, Temperature gradient, Cooling
Journal Articles

Influence of Anisotropic Thermal Conductivity on Overall Cooling Effectiveness on a Film-Cooled Leading Edge

Carol E. Bryant, James L. Rutledge
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. April 2022, 14(4): 041008.
Paper No: TSEA-21-1246
DOI: https://doi.org/10.1115/1.4051634
Published Online: August 3, 2021
View Article titled, Influence of Anisotropic Thermal Conductivity on Overall Cooling Effectiveness on a Film-Cooled Leading Edge
Click here to open pdf in another window PDF for Influence of Anisotropic Thermal Conductivity on Overall Cooling Effectiveness on a Film-Cooled Leading Edge
Topics: Anisotropy, Cooling, Film cooling, Thermal conductivity, Coolants, Tensors
Journal Articles

An Experimental Investigation of the Governing Properties in a Vortex Tube

Matthew N. Fuqua, James L. Rutledge
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. March 2022, 14(3): 031009.
Paper No: TSEA-21-1224
DOI: https://doi.org/10.1115/1.4051510
Published Online: July 26, 2021
View Article titled, An Experimental Investigation of the Governing Properties in a Vortex Tube
Click here to open pdf in another window PDF for An Experimental Investigation of the Governing Properties in a Vortex Tube
Topics: Nozzles, Pressure, Separation (Technology), Temperature, Vortices, Mach number, Flow (Dynamics)
Journal Articles

Film Cooling Superposition Theory for Multiple Rows of Cooling Holes With Multiple Coolant Temperatures

Matthew N. Fuqua, James L. Rutledge
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. November 2021, 143(11): 111003.
Paper No: TURBO-20-1202
DOI: https://doi.org/10.1115/1.4051001
Published Online: June 15, 2021
View Article titled, Film Cooling Superposition Theory for Multiple Rows of Cooling Holes With Multiple Coolant Temperatures
Click here to open pdf in another window PDF for Film Cooling Superposition Theory for Multiple Rows of Cooling Holes With Multiple Coolant Temperatures
Topics: Coolants, Cooling, Film cooling, Temperature
Journal Articles

Conjugate Heat Transfer Simulations to Evaluate the Effect of Anisotropic Thermal Conductivity on Overall Cooling Effectiveness

Carol E. Bryant, James L. Rutledge
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. December 2021, 13(6): 061013.
Paper No: TSEA-20-1762
DOI: https://doi.org/10.1115/1.4050328
Published Online: April 1, 2021
View Article titled, Conjugate Heat Transfer Simulations to Evaluate the Effect of Anisotropic Thermal Conductivity on Overall Cooling Effectiveness
Click here to open pdf in another window PDF for Conjugate Heat Transfer Simulations to Evaluate the Effect of Anisotropic Thermal Conductivity on Overall Cooling Effectiveness
Topics: Anisotropy, Cooling, Film cooling, Heat transfer, Rotation, Thermal conductivity, Simulation, Tensors, Coolants, Ceramic matrix composites
Journal Articles

The Effects of Specific Heat and Viscosity on Film Cooling Behavior

Connor J. Wiese, James L. Rutledge
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. April 2021, 143(4): 041008.
Paper No: TURBO-20-1221
DOI: https://doi.org/10.1115/1.4049785
Published Online: March 24, 2021
View Article titled, The Effects of Specific Heat and Viscosity on Film Cooling Behavior
Click here to open pdf in another window PDF for The Effects of Specific Heat and Viscosity on Film Cooling Behavior
Topics: Carbon dioxide, Coolants, Film cooling, Nitrogen, Viscosity, Cooling
Proceedings Papers

The Effects of Specific Heat and Viscosity on Film Cooling Behavior

Connor J. Wiese, James L. Rutledge
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A050, September 21–25, 2020
Paper No: GT2020-15253
DOI: https://doi.org/10.1115/GT2020-15253
View Paper titled, The Effects of Specific Heat and Viscosity on Film Cooling Behavior
Click here to open pdf in another window PDF for The Effects of Specific Heat and Viscosity on Film Cooling Behavior
Topics: Film cooling, Specific heat, Viscosity, Density, Coolants, Gases, Cooling, Engines, Temperature, Thermal conductivity
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
DOI: https://doi.org/10.1115/GT2020-16129
View Paper titled, Scaling Considerations for Thermal and Pressure Sensitive Paint Methods Used to Determine Adiabatic Effectiveness
Click here to open pdf in another window PDF for Scaling Considerations for Thermal and Pressure Sensitive Paint Methods Used to Determine Adiabatic Effectiveness
Topics: Paints, Pressure, Engines, Coolants, Film cooling, Flow (Dynamics), Experimental methods, Heat, Temperature, Accounting
Proceedings Papers

Film Cooling Superposition Theory for Multiple Rows of Cooling Holes With Multiple Coolant Temperatures

Matthew N. Fuqua, James L. Rutledge
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A049, September 21–25, 2020
Paper No: GT2020-15252
DOI: https://doi.org/10.1115/GT2020-15252
View Paper titled, Film Cooling Superposition Theory for Multiple Rows of Cooling Holes With Multiple Coolant Temperatures
Click here to open pdf in another window PDF for Film Cooling Superposition Theory for Multiple Rows of Cooling Holes With Multiple Coolant Temperatures
Topics: Coolants, Cooling, Film cooling, Temperature, Design, Engineering simulation, Fluids, Simulation
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
DOI: 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
Click here to open pdf in another window PDF for Scaling Considerations for Thermal and Pressure-Sensitive Paint Methods Used to Determine Adiabatic Effectiveness
Topics: Coolants, Film cooling, Mass transfer, Pressure, Temperature, Paints, Gases
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
J. Turbomach. August 2020, 142(8): 081010.
Paper No: TURBO-19-1124
DOI: 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
Click here to open pdf in another window PDF for Scaling Flat-Plate, Low-Temperature Adiabatic Effectiveness Results Using the Advective Capacity Ratio
Topics: Coolants, Density, Flat plates, Flow (Dynamics), Gases, Low temperature, Turbulence, Momentum, Specific heat, Film cooling