Publications

Peer Reviewed Journal Articles

  1. J. M. Meyers and D. G. Fletcher, “Nitrogen Surface Catalyzed Recombination Efficiency from Two-Photon Laser Induced Fluorescence Measurements,” Journal of Thermophysics and Heat Transfer, 2018
    doi: 10.2514/1.T5455
  2. D. G. Fletcher and J. M. Meyers, “Surface Catalyzed Reaction Efficiencies in Oxygen Plasmas from Laser-Induced Fluorescence Measurements,” Journal of Thermophysics and Heat Transfer, 2017, Vol.31: 410-420.
    doi: 10.2514/1.T4923
  3. J. M. Meyers, S. Paris, and D. G. Fletcher, “Characterization of CO2 flow in a hypersonic impulse facility using DLAS,” Experiments in Fluids, February 2016, 57:25.
    doi: 10.1007/s00348-015-2112-6
  4. W. P. Owens, D. Merkel, F. Sansoz, and D. G. Fletcher, “Fracture Behavior of Woven Silicon Carbide Fibers Exposed to High-Temperature Nitrogen and Oxygen Plasmas,” Journal of the American Ceramic Society, Aug. 2015
    doi: 10.1111/jace.13826
  5. D. Hurley, D. Huston, and D. Fletcher, “Remote Monitoring of Harsh Environments Using Acoustic Emissions,” Journal of Engineering Mechanics Vol. 139, No. 3, 2013
    doi: 10.1061/(ASCE)EM.1943-7889.0000477
  6. J. M. Meyers, S. Paris, D. G. Fletcher, “Diode Laser Absorption Sensor Design and Qualification for CO2 Hypersonic Flows,” AIAA Journal of Thermophysics and Heat Transfer, Vol. 25, No. 2 pp 193-200, April-June 2011.
    doi:10.2514/1.49270
  7. J. Marschall, D. G. Fletcher, “High-enthalpy test environments, flow modeling and in situ diagnostics for characterizing ultra-high temperature ceramics”, Journal of the European Ceramic Society, 30 (2010) 2323–2336
    doi:10.1016/j.jeurceramsoc.2010.01.010
  8. R. Vallon, J. Soutadé, J.-L. Vérant, J. Meyers, S. Paris, and A. Mohamed, “A Compact Tunable Diode Laser Absorption Spectrometer to Monitor CO2 at 2.7 µm Wavelength in Hypersonic Flows”, Sensors 2010, 10(6), 6081-6091
    doi:10.3390/s100606081
  9. M. Pläyez and D. G. Fletcher, J. Marschall, W. Fahrenholtz, G. Hilmas, and S. Zhu, “Optical Emission Spectroscopy During Plasmatron Testing of ZrB2-SiC Ultra-High Temperature Ceramic Composites”, Journal of Thermophysics and Heat Transfer, Vol 23, No 2, pp 279-285, (2009).
    doi:10.2514/1.39974
  10. J. Marschall, D. Pejakovic, W. Fahrenholtz, G. Hilmas, S. Zhu, J. Ridge, D. Fletcher, C. Asma, J. Thoemel, “Oxidation of ZrB2-SiC Ultra-High Temperature Ceramic Composites in Dissociated Air”, Journal of Thermophysics and Heat Transfer, Vol 23, No 2, pp 267-278, (2009).
    doi:10.2514/1.39970
  11. M. Pläyez and D. G. Fletcher, “Spectroscopic Analysis of Titan Atmosphere Plasmas”, Journal of Thermophysics and Heat Transfer, Vol 22, No 2, pp 150-156, (2008).
    doi:10.2514/1.30442
  12. A. Orsini, P. Rini, V. Taviani, D. Fletcher, E. V. Kustova, and E. A. Nagnibeda,” State-to-State Simulation of Nonequilibrium Nitrogen Stagnation-Line Flows: Fluid Dynamics and Vibrational Kinetics,” Journal of Themophysics and Heat Transfer, Vol. 22, No. 3, 2008
    doi: 10.2514/1.34545
  13. D. G. Fletcher, “Arcjet flow properties determined from laser-induced fluorescence of atomic nitrogen”, Applied Optics, Vol. 38, No. 9, March, 1999, pp 1850-1858.
    doi:10.1364/AO.38.001850

Conference Proceedings

  1. N. Martin, L. Hantsche, R. Herrmann-Stanzel, J. M. Meyers, and D. G. Fletcher, “Steady-State Experimental Evaluation of Pyrolysis Gas and Plasma Reactions,” 56th AIAA Aerospace Sciences Meeting, 2018.
    doi: 10.2514/6.2018-1482
  2. C. Tillson, J. M. Meyers, and D. G. Fletcher, “Spectrally Resolved Emission Measurements from Pyrolyzing Ablators in an Inductively Coupled Plasma Facility,” 55th AIAA Aerospace Sciences Meeting, 2017.
    doi: 10.2514/6.2017-0435
  3. R. Herrmann-Stanzel, L. Allen, J. M. Meyers, and D. G. Fletcher, “ Spatially Resolved Measurements of Simulated Pyrolysis Gases ,” 55th AIAA Aerospace Sciences Meeting, 2017
    doi: 10.2514/6.2017-0436
  4. N. Martin, J. M. Meyers, D. G. Fletcher, D. Dang, and I. D. Boyd, “ Investigation of Pyrolyzing Ablators Using a Gas Injection Probe ,” 55th AIAA Aerospace Sciences Meeting, 2017
    doi:10.2514/6.2017-0437
  5. C. C. Tilson, J. Uhl, J. M. Meyers, and D. G. Fletcher, “Investigation of Pyrolysis Gas Chemistry of PICA in an Inductively Coupled Plasma Facility,” 46th AIAA Thermophysics Conference, Washington DC, June 2016
    doi:10.2514/6.2016-3235
  6. L. D. Allen, J. M. Meyers, and D. G. Fletcher, “Characterization of NO Production Over Metallic Surfaces in Air Plasmas Using Laser Induced Fluorescence,” 47th AIAA Plasmadynamics and Lasers Conference, Washington DC, June 2016
    doi:10.2514/6.2016-3380
  7. D. G. Fletcher, W. P. Owens, and J. M. Meyers, “Surface Reaction and Oxidation Effects on Flexible Thermal Protection Materials,” The Composites and Advanced Materials Expo, Dallas, TX, Oct. 2015
    doi:
  8. C. C. Tilson, L. D. Allen, J. M. Meyers, and D. G. Fletcher, “Investigation of Pyrolysis Gas Chemistry in an Inductively Coupled Plasma Facility,” 7th Ablation Workshop, The University of Tennessee Space Institute, 2015
    doi:
  9. J. M. Meyers, D. G. Fletcher, “Planar Two-Photon LIF Measurements of Atomic Species in a High-Temperature Inductively Coupled Plasma Environment,” (AIAA 2015-2959) 46th AIAA Plasmadynamics and Lasers Conference, 2015
    doi: 10.2514/6.2015-2959
  10. A. J. Lutz, D. G. Fletcher, (J. M. Meyers), “Investigation of Non-Equilibrium Nitrogen Plasmas,” (AIAA 2015-2961), 46th AIAA Plasmadynamics and Lasers Conference, 2015
    doi:
  11. D. Fletcher, J. Meyers, and W. Owens, “Measurement of Surface Catalyzed Recombination Efficiencies by Laser Induced Fluorescence,” 38th Annual Conference on Composites, Materials, and Structures, Cocoa Beach, FL, 2014
    doi:
  12. W. Owens, J. Meyers and D. Fletcher, “Oxidation of SiC Thermal Protection Blankets,” 38th Annual Conference on Composites, Materials, and Structures, Cocoa Beach, FL, 2014
    doi:
  13. W. Owens, J. Meyers, and D. G. Fletcher, “Surface Catalyzed Recombination Efficiencies for Flexible Thermal Protection Materials in Air Plasma,” AIAA 2103-3141, 44th AIAA Thermophysics Conference, San Diego, California, June 2013
    doi:
  14. J. Meyers, W. Owens, and D. G. Fletcher, “Investigation of Surface-Catalyzed Reaction Efficiencies,” AIAA 2103-3140, 44th AIAA Thermophysics Conference, San Diego, California, June 2013
    doi:
  15. J. Meyers, W. Owens, and D. G. Fletcher, “Detection of Surface Catalyzed Reaction Products in Air Plasmas,” AIAA 2103-3139, 44th AIAA Thermophysics Conference, San Diego, California, June 2013
    doi:
  16. A. Lutz, J. Meyers, W. Owens, S. Smith, and D. G. Fletcher, “Experimental Analysis of Carbon Nitridation and Oxidation Efficiency with Laser-Induced Fluorescence” AIAA 2103-024, 51st AIAA Aerospace Sciences Meeting, Dallas 2013
    doi:
  17. J. M. Meyers, W. P. Owens, and D. G. Fletcher, “Detection of Surface Catalyzed Reaction Products”, NATO AVT-199 Specialists Meeting on Catalytic Gas Surface Interactions, Rhode-St-Genese, Belgium, Oct. 2012
    doi:
  18. J. M. Meyers, W. P. Owens, and D. G. Fletcher, “Direct Assessment of Surface-Catalyzed Reaction Efficiency on SiC Materials”, NATO AVT-199 Specialists Meeting on Catalytic Gas Surface Interactions, Rhode-St-Genese, Belgium, Oct. 2012
    doi:
  19. W. P. Owens, J. M Meyers, D. G. Fletcher, and A. M. Calomino, “Flexible TPS Surface Catalysis in a 30 kW ICP Torch Facility”, AIAA 2012-3095, AIAA 43rd Thermophysics Conference, New Orleans, Louisiana, June 2012.
    doi:
  20. J. Uhl, W. P. Owens, M. J. Dougherty, A. J. Lutz, J .M. Meyers and D. G. Fletcher, “Pyrolysis Simulation in an ICP Torch Facility”, AIAA 2011-3618, AIAA 42nd Thermophysics Conference, Honolulu, Hawaii, June 2011.
    doi:
  21. J. M. Meyers, “Near Surface CO2 Detection in an Inductively Coupled Plasma Facility Using Diode Laser Absorption”, AIAA 2011-3788, AIAA 42nd Thermophysics Conference, Honolulu, Hawaii, June 2011.
    doi:
  22. J. M. Meyers, S. Paris, D. G. Fletcher, “Diode Laser Absorption Sensor Design and Qualification for CO2 Hypersonic Flows,” AIAA Journal of Thermophysics and Heat Transfer, Vol. 25, No. 2 pp 193-200, April-June 2011.
    doi:
  23. D. Fletcher, J. Meyers, A. Lutz, M. Dougherty, W. Owens, J. Uhl, “Species and Temperature Gradient Measurements in the Reacting Boundary Layer over ICP Test Samples”, ESA 7th European Aerothermodynamics Symposium, Brugges, Belgium, May 2011.
    doi:
  24. M. Dougherty, W. Owens, J. Meyers, D. Fletcher, “Investigations of Surface-Catalyzed Reactions in a Mars Mixture” , ESA 7th European Aerothermodynamics Symposium, Brugges, Belgium, May 2011.
    doi:
  25. M. Dougherty, W. Owens, J. Meyers, D. Fletcher, D., “Investigations of Surface-Catalyzed Recombination Reactions in the Mars Atmosphere“, AIAA 2011-1326, Paper presented at the 49th AIAA Aerospace Sciences Meeting, Orlando, Florida, 2011
    doi:
  26. A. Lutz, W. Owens, J. Meyers, D. Fletcher, and J. Marschall, “Investigations of Surface-Catalyzed Recombination Reactions in N2 Plasma“, AIAA 2011-901, 49th AIAA Aerospace Sciences Meeting, Orlando, Florida, 2011
    doi:
  27. W. P. Owens, J. Uhl, M. Dougherty, A. Lutz, Jason Meyers and D. G. Fletcher, “Design of a 30kW ICP Torch for Aerospace Material Testing“, AIAA 2010-4322, 10th AIAA/ASME Joint Thermophysics and Heat Transfer Conference, Chicago, IL, 2010
    doi:
  28. J. M. Meyers, W. P. Owens, M. Dougherty, A. Lutz, J. Uhl, and D. G. Fletcher, “Laser Spectroscopic Investigation of Surface-Catalyzed Reactions for Mars Exploration Vehicles“, AIAA 2010-4915, 27th AIAA Aerodynamic Measurement Technology and Ground Testing Conference, Chicago, IL, June 2010
  29. Fletcher, D. G., Thomel, J., Chazot, O., and Marschall, J., “Realization of a Gas-Surface Interaction Test Case for Model Validation,” AIAA 2010-1249, January 2010.
  30. R. Vallon,A. Mohamed, J. Soutade, S. Paris, J. Meyers, “Hypersonic Flows Probing with a Compact Absorption Spectrometer Monitoring CO2 at 2.7µm,” AIAA 2010-304, January 2010. doi: 10.2514/6.2010-304
  31. Zhang, L., Pejacovic, D., Marschall, J. and Fletcher, D. G., “Laboratory Investigation of Active Graphite Nitridation by Atomic Nitrogen,” AIAA 2009-4251, June 2009.
    doi:
  32. C. Thompson, D. Fletcher, and D. Bose “Analysis of Spectrally Resolved Shock-Layer Emission for Lunar Trajectory Conditions”, 40th Thermophysics Conference, Seattle, Washington, June 23-26, 2008 AIAA-2008-3813.
    doi:
  33. D. Bose, E. McCorkle, C. Thompson, D. Bogdanoff, D. Prabhu, G. Allen, and J. Grinstead, “Analysis and Model Validation of Shock Layer Radiation in Air“, AIAA-2008-1246, 46th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, Jan. 7-10, 2008.
    doi:
  34. D. G. Fletcher and M. Playez, “Characterization of Supersonic and Subsonic Plasma Flows”, AIAA Paper No. 2006-3294, AIAA Thermophysics Conference, San Francisco, June, 2006.
    doi:
  35. Vancrayenest B. and Fletcher, D. G., “Emission Spectroscopic Survey of Graphite Ablation in the VKI Plasmatron,” AIAA Paper 2006-2907, June 2006.
    doi: