All Stories

  1. Aeroheating Testing of the Mars Sample Return Earth Entry System With Surface Roughness

    Article • January 2025, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  2. An Approach for Practical Grid-Resolved Roughness Aerothermodynamic Simulations for Woven Heatshield Surfaces

    Article • January 2025, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  3. Including Radiative Heating for the Design of the Orion Backshell for Artemis-1: A Narrative

    Article • January 2025, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  4. Mars Sample Return Earth Entry System Woven Roughness Mach 6 Aeroheating Test

    Article • January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  5. Coupled Simulations of Shoulder Ablation of a Conceptual Aeroshell

    Article • January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston, Prakash Shrestha

  6. Efficient Two-Way Coupled Analysis of Steady-State Particle-Laden Hypersonic Flows

    Article • June 2022, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  7. Hayabusa2 SHARC Spectro-Radiometric Calibration and Analysis

    Article • June 2022, American Institute of Aeronautics and Astronautics (AIAA)

    Hideyuki Tanno, Dr. Dinesh K. Prabhu, Christopher Johnston

  8. Comparison between Hayabusa 2 Spectral Measurements and Simulations

    Article • June 2022, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  9. Impact of Thermoelectric-Driven Flowfield Voltages on Thermocouples for Ablating Reentry Vehicles

    Article • Journal of Thermophysics and Heat Transfer, November 2021, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  10. Analysis of Huygens Entry Observation to Inform Titan Shock-Layer Radiation Models

    Article • Journal of Thermophysics and Heat Transfer, November 2021, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  11. Efficient Solution of Surface Erosion in Particle-Laden Hypersonic Flows

    Article • November 2021, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  12. Evaluating Shock-Tube Informed Biases for Shock-Layer Radiative Heating Simulations

    Article • Journal of Thermophysics and Heat Transfer, November 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  13. Investigation of Galileo Probe Entry Heating with Coupled Radiation and Ablation

    Article • Journal of Spacecraft and Rockets, July 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  14. Recent Improvements to the LAURA and HARA Codes

    Article • June 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  15. Radiative Heating on the After-Body of Martian Entry Vehicles

    Article • Journal of Thermophysics and Heat Transfer, January 2020, American Institute of Aeronautics and Astronautics (AIAA)

    David A Saunders, Christopher Johnston

  16. Investigation of Galileo Probe Entry Heating with Coupled Radiation and Ablation

    Article • June 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  17. Simulation of the Schiaparelli Entry and Comparison to Aerothermal Flight Data

    Article • June 2019, American Institute of Aeronautics and Astronautics (AIAA)

    David A Saunders, Christopher Johnston

  18. Evaluating Shock-Tube Informed Biases for Shock-Layer Radiative Heating Simulations

    Article • June 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  19. Features of Afterbody Radiative Heating for Titan Entry

    Article • June 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  20. Novel Approach for Modeling CO2 Non-equilibrium Radiation: Application to Wake Flows

    Article • January 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  21. Impact of Non-Tangent-Slab Radiative Transport on Flowfield–Radiation Coupling

    Article • Journal of Spacecraft and Rockets, July 2018, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  22. Extension of Multiband Opacity-Binning to Molecular, Non-Boltzmann Shock Layer Radiation

    Article • Journal of Thermophysics and Heat Transfer, July 2018, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  23. Development of a Radiative Heating Margin Policy for Lunar Return Missions

    Article • Journal of Thermophysics and Heat Transfer, October 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  24. Influence of Coupled Radiation and Ablation on Meteor Entries

    Article • June 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  25. Backshell Radiative Heating on Human-Scale Mars Entry Vehicles

    Article • June 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  26. Experimental and Numerical Investigation of Air Radiation in Superorbital Expanding Flow

    Article • June 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  27. On the development of a new nonequilibrium chemistry model for Mars entry

    Article • January 2017, American Institute of Aeronautics and Astronautics (AIAA)

    dr Richard l Jaffe, Dr. Dinesh K. Prabhu, Dr. Galina M. Chaban, Christopher Johnston

  28. Impact of Non-Tangent-Slab Radiative Transport on Flowfield-Radiation Coupling

    Article • January 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  29. Development of a Radiative Heating Margin Policy for Lunar Return Missions

    Article • January 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  30. Novel Approach for CO2 State-To-State Modeling and Application to Multidimensional Entry Flows

    Article • January 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  31. Equilibrium Radiative Heating from 9.5 to 15.5  km/s for Earth Atmospheric Entry

    Article • Journal of Thermophysics and Heat Transfer, January 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Dinesh K. Prabhu, Christopher Johnston

  32. Uncertainty and Sensitivity Analysis of Afterbody Radiative Heating Predictions for Earth Entry

    Article • Journal of Thermophysics and Heat Transfer, August 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  33. Improved Non-Boltzmann Modeling for Nitrogen Atoms

    Article • June 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  34. A Reduced Order Maximum Entropy Model for Chemical and Thermal Non-equilibrium in High Temperature CO2 Gas

    Article • June 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  35. Refinements to Afterbody Radiative Heating Simulations for Earth Entry

    Article • June 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  36. Non-equilibrium Radiation for Earth Entry

    Article • June 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  37. Uncertainty Analysis of Radiative Heating Predictions for Titan Entry

    Article • Journal of Thermophysics and Heat Transfer, April 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  38. Uncertainty and Sensitivity Analysis of Afterbody Radiative Heating Predictions for Earth Entry

    Article • January 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  39. Modeling of Non-equilibrium Radiation for CO2-N2Gas Mixtures

    Article • January 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  40. Aerothermodynamic Characteristics of 16-22 km/s Earth Entry

    Article • June 2015, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  41. Radiative Heating on the After-Body of Martian Entry Vehicles

    Article • June 2015, American Institute of Aeronautics and Astronautics (AIAA)

    David A Saunders, Christopher Johnston

  42. Uncertainty Analysis and Validation of Radiation Measurements for Earth Reentry

    Article • Journal of Thermophysics and Heat Transfer, April 2015, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Dinesh K. Prabhu, Christopher Johnston

  43. State-to-State Modeling of CO for Mars Entry Applications

    Article • January 2015, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  44. Features of Afterbody Radiative Heating for Earth Entry

    Article • Journal of Spacecraft and Rockets, January 2015, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  45. Influence of Radiative Absorption on Non-Boltzmann Modeling for Mars Entry

    Article • Journal of Thermophysics and Heat Transfer, October 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  46. Mars Science Laboratory Heat Shield Aerothermodynamics: Design and Reconstruction

    Article • Journal of Spacecraft and Rockets, July 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  47. Characterization of Stagnation-Point Heat Flux for Earth Entry

    Article • June 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston

  48. Features of Afterbody Radiative Heating for Earth Entry

    Article • June 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Christopher Johnston