Department of Aeronautics & Astronautics

Department of Aeronautics & Astronautics
AFIT Faculty: Maj James L. Rutledge
CONTACT INFORMATION
Name: Maj James L. Rutledge
Title: Assistant Professor of Aerospace Engineering, Dept. of Aeronautics and Astronautics
Commercial Phone: (937) 255-3636 (4734)
DSN Phone: 785-3636 (4734)
EDUCATION

Ph.D. Aeronautical Engineering, Air Force Institute of Technology, 2009

M.S. Mechanical Engineering, University of Texas at Austin, 2004

B.S. Mechanical Engineering, University of Texas at Austin, 2002

RESEARCH INTERESTS

Fluid dynamics, heat transfer, experimental methods, inverse heat transfer, film cooling

EXPERTISE
  • FILM COOLING
  • FLUID DYNAMICS
  • HEAT TRANSFER
PUBLICATIONS & RESEARCH PAPERS

Archived Journal Publications:

Shewhart, A.T., Polanka, M.D., Robertson, J.J., Greiner, N.J., Rutledge, J.L., 2015, " Minimization of Heat Load Due to Secondary Reactions in Fuel rich Environments," Journal of Engineering for Gas Turbines and Power, Vol. 137, 121504, DOI: 10.1115/1.4030520

Rutledge, J.L., Francis , S.A., Reeder, M.F., Petrosky, J.C., Babis, B.W., Tryon, T.A., 2015, " Improved Method of Investigating Thermal Radiation Effects on Military Aircraft Skins," Journal of Radiation Effects, Research and Engineering, Vol. 33, No. 1-E, May 2015.

Rutledge, J.L. and  Polanka, M.D., 2015, " Efficiency of an Ideal Brayton Cycle with a Constant-Volume Interturbine Burner," Journal of Propulsion and Power, DOI: 10.2514/1.B35446

Alban, C.J.,  Palazotto, A.N., Rutledge, J.L., 2015, " Thermal Considerations With Respect to Sliding Contact at High Speed," Journal of Thermophysics and Heat Transfer, DOI: 10.2514/1.T4548.

Greiner, N.J., Polanka, M.D., Rutledge, J.L., Shewhart, A.T., 2015, & ldquo Scaling of Film Cooling Performance From Ambient to Engine Temperatures,& rdquo Journal of Turbomachinery, Vol. 137, 071007.

Rutledge, J.L. and Polanka, M.D., 2014, & ldquo Waveforms of Time-Resolved Film Cooling Parameters on a Leading Edge Model,& rdquo Journal of Propulsion and Power, DOI: 10.2514/1.B35180.

Rutledge, J.L. and Polanka, M.D., 2014, & ldquo Computational Fluid Dynamics Evaluations of Unconventional Film Cooling Scaling Parameters on a Simulated Turbine Blade Leading Edge,& rdquo Journal of Turbomachinery, Vol. 136, 101006.

Greiner, N.J., Polanka, M.D., Rutledge, J.L., Robertson, J.J., 2014, " Effect of Variable Properties Within a Boundary Layer with Large Freestream-to-Wall Temperature Differences," Journal of Engineering for Gas Turbines and Power, Vol. 136, 052604.

Rutledge, J.L., and Polanka, M.D., 2013," Achieving a Specific Non-Uniform Heat Flux with an Electrical Heat Flux Plate," Journal of Heat Transfer, Vol. 135, 084502.

Rutledge, J.L. and McCall, J.F., 2013, & ldquo Determination of Time-Resolved Heat Transfer Coefficient and Adiabatic Effectiveness Waveforms with Unsteady Film,& rdquo Journal of Turbomachinery, Vol. 135, 021021.

Rutledge, J.L., King, P.I., Rivir, R., 2012, & ldquo Influence of Film Cooling Unsteadiness on Turbine Blade Leading Edge Heat Flux,& rdquo Journal of Engineering for Gas Turbines and Power, Vol. 134, 071901.

Rutledge, J.L., King, P.I., Rivir, R., 2010, & ldquo Time Averaged Net Heat Flux Reduction for Unsteady Film Cooling,& rdquo Journal of Engineering for Gas Turbines and Power, Vol. 132, 121601.

Rutledge, J., Robertson, D., Bogard, D., 2006, & ldquo Degradation of Film Cooling Performance on a Turbine Vane Suction Side due to Surface Roughness,& rdquo Journal of Turbomachinery, Vol. 128, pp. 547-554.

Conference Papers:

Rutledge, J.L., Polanka, M.D., Bogard, D.G., 2015, " The Delta Phi Method of Evaluation Overall Film Cooling Performance," ASME Turbo Expo 2015, Paper No. GT2015-43288.

Rutledge, J.L., Rathsack, T.C., Van Voorhis, M., Polanka, M.D., 2015, " Film Cooling Parameter Waveforms on a Turbine Blade Leading Edge With Oscillating Stagnation Line," ASME Turbo Expo 2015, Paper No. GT2015-43283.

Greiner, N.J., Polanka, M.D., Rutledge, J.L., Shewhart, A.T., 2015, " Experimental Investigation of Net Heat Flux Reduction at Combustion Temperatures," ASME Turbo Expo 2015, Paper No. GT2015-42988

Greiner, N.J., Polanka, M.D., Rutledge, J.L., 2015, " Scaling of Adiabatic Effectiveness and Net Heat Flux Reduction from Near Ambient to Engine Temperatures," ASME Turbo Expo 2015, Paper No. GT2015-42986.

Lynch, A., Shewhart, A., Polanka, M.D., Rutledge, J.L., 2015, & ldquo Effects of Hole Configuration, Surface Curvature, and Mach Number on Film Cooling in Fuel Rich Environments,& rdquo 53rd AIAA Aerospace Sciences Meeting.

Zimmer, V., Rutledge, J.L., Knieriem, C., Ou, S., 2014, & ldquo The Influence of Coolant Unsteadiness on Impingement Heat Transfer,& rdquo ASME Turbo Expo 2014, Paper No. GT2014-25897.

Rutledge, J.L. and Polanka, M.D., 2014, & ldquo CFD Evaluations of Nonconventional Film Cooling Scaling Parameters on a Simulated Turbine Blade Leading Edge,& rdquo ASME Turbo Expo 2014, Paper No. GT2014-25893.

Shewhart, A.T., Greiner, N.J., Polanka, M.D., Rutledge, J.L., 2014, & ldquo Minimization of Heat Load due to Secondary Reactions in Fuel Rich Environments,& rdquo ASME Turbo Expo 2014, Paper No. GT2014-25703.

Greiner, N.J., Polanka, M.D., Rutledge, J.L., Shewhart, A.T., 2014, & ldquo Scaling of Film Cooling Performance From Ambient to Engine Temperatures,& rdquo ASME Turbo Expo 2014, Paper No. GT2014-25702.

Greiner, N.J., Polanka, M.D., Rutledge, J.L., Shewhart, A.T., 2014, & ldquo Effect of Variable Properties and Radiation on Convective Heat Transfer Measurements at Engine Conditions,& rdquo ASME Turbo Expo 2014, Paper No. GT2014-25701.

Damele, C.J., Polanka, M.D., Wilson, J.D., Rutledge, J.L., 2014, & ldquo Establishing Proper Exit Conditions for an Ultra Compact Combustor,& rdquo 52nd AIAA Aerospace Sciences Meeting, AIAA 2014-0456.

Rutledge, J.L. and McCall, J.F., 2013, & ldquo An Inverse Heat Transfer Approach to Mitigating Sources of Experimental Error in Transient Heat Transfer Experiments,& rdquo ASME Turbo Expo 2013, Paper No. GT2013-94587.

Rutledge, J.L., 2013, " Heat Transfer Boundary Condition Waveforms on a Turbine Blade Leading Edge With Unsteady Film Cooling," ASME Turbo Expo 2013, Paper No. GT2013-94587.

Greiner, N.J., Polanka, M.D., Robertson, J.J., Rutledge, J.L., 2013, " Effect of Variable Properties Within a Reacting Boundary Layer With Film Cooling," ASME Turbo Expo 2013, Paper No. GT2013-94794.

Rutledge, J.L. and McCall, J.F., 2012,& ldquo Determination of Time-Resolved Heat Transfer Coefficient and Adiabatic Effectiveness Waveforms with Unsteady Film Cooling,& rdquo ASME Turbo Expo 2012, Paper No. GT2012-68652.

Carroll, D., King, P., Rutledge, J.L., 2010,& ldquo Flow Visualization Study of Passive Flow Control Features on a Film-Cooled Turbine Blade Leading Edge,& rdquo ASME Turbo Expo 2010, Paper No. GT2010-23179.

Rutledge, J.L., King, P.I., Rivir, R., 2009, & ldquo Net Heat Flux Reduction Performance of Pulsed Film Cooling on a Turbine Blade Leading Edge,& rdquo AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit.

Rutledge, J.L., King, P.I., Rivir, R., 2009, & ldquo Experimental Flow Visualization of Pulsed Film Cooling on a Turbine Blade Leading Edge,& rdquo AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit.

Rutledge, J.L., King, P.I., Rivir, R., 2009,& ldquo CFD Predictions of the Frequency Dependence of Pulsed Film Cooling Heat Flux on a Turbine Blade Leading Edge,& rdquo 47th AIAA Aerospace Sciences Meeting.

Rutledge, J.L., King, P.I., Rivir, R.,2008,& ldquo CFD Predictions of Pulsed Film Cooling Heat Flux on a Turbine Blade Leading Edge,& rdquo ASME International Mechanical Engineering Congress and Exposition, IMECE2008-67276, ASME.

Rutledge, J.L., Robertson, D., Bogard, D., 2005,& ldquo Degradation of Film Cooling Performance on a Turbine Vane Suction Side due to Surface Roughness,& rdquo ASME Turbo Expo 2005, Paper No. GT2005-69045.

 

COURSES

AERO 520 Viscous Fluid Flow

AERO 579 Theory of Gases for Aerodynamics and Propulsion

AERO 536 High Speed Aerodynamics

AERO 500 Introduction to Aeronautical Engineering

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