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Ragini Acharya

Associate Professor


August 2020-Present
Associate Professor
Department of Mechanical, Aerospace, and Biomedical Engineering
University of Tennessee

March 2020-August 2020
Hypersonic Propulsion Lead–Sr. Principal Engineer
Raytheon Missiles and Defense, USA

Jan 2019-March 2020
Director Hypersonic Technology
CFD Research Corporation, Alabama, USA

September 2016-December 2018
Senior Principal Scientist
CFD Research Corporation, Alabama, USA

November 2010–August 2016
Senior Research Scientist
United Technologies Research Center, Connecticut, USA



Hypersonic and advanced propulsion, Hypersonic signatures, Uncertainty Quantification


PhD. Mechanical Engineering – Pennsylvania State University, University Park, PA 2008

MS. Mechanical Engineering– Pennsylvania State University, University Park, PA 2004

BS. (Honors) Mechanical Engineering– Indian Institute of Technology, India, 2000

Professional Service

AIAA Technical Committee Member

  • High-speed Airbreathing Propulsion
  • Airbreathing Propulsion Integration

AIAA Huntsville Section Council Elected STEM Outreach Director

AIAA Technical Session Chair 2016-Current

Reviewer for

  • International Journal of Advancements in Energetic Materials and Chemical Propulsion
  • ASME TurboExpo
  • International Seminar on Fire & Explosion Hazards
  • Combustion Institute
  • Combustion and Flame

Awards and Recognitions

  • American Institute of Aeronautics and Astronautics (AIAA) Associate Fellow
  • Best Paper Award in 7th International Symposium in Chemical Propulsion (7-ISICP) held in Kyoto, September 2007 for Interior Ballistics Processes in a Flash Tube.
  • Invited Speaker for Ninth DOE Crosscut Workshop on Lean Emissions Reduction Simulation, May 2- 4, 2006, University of Michigan – Dearborn.
  • Best Paper Awards in 24th Rocket Nozzle Technology Subcommittee Meeting, November 2005 for Nozzle Analysis and Modeling.


Fundamentals of Turbulent and Multiphase Combustion,” John Wiley and Sons. Co-authored with Kenneth Kuo, John Wiley & Sons. April 2012


Applications of Turbulent and Multiphase Combustion,” John Wiley and Sons. Co-authored with Kenneth Kuo, John Wiley & Sons. August 2012.


Effect of chamber pressure & propellant composition on erosion rate of graphite rocket nozzle,” R. Acharya and K. K. Kuo, “Journal of Propulsion and Power, 23, 6, pp.1242-1254, 2007

Development of Uncertainty Quantification Framework Applied to Scramjet Unstart Challenge R Acharya, PP Palies, JA Schetz, JD Schmisseur, 23rd AIAA International Space Planes and Hypersonic Systems and Technologies, 2020

Non-Intrusive Computational Method and Uncertainty Quantification for isolator operability calculations, R Acharya, J Schetz, JD Schmisseur, 2018 Joint Propulsion Conference, 4537

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