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Publications
Note: I eventually plan to post “plain English” summaries of all of these including why the work was done and what the practical implications are of the conclusions. Links will be added to these summaries when available.
Copyright: All unclassified publications that have been declared works of the U.S. Government, such as those which are linked below, are not subject to copyright protection in the United States. However, the work therein, if used, should still be properly cited in accordance with scientific ethics.
Disclaimer: All information on this website is the personal opinion of the listed author. Only where the author’s name appears on an official publication (as linked below) in conjunction with his title does he represent the views or findings of the U.S. National Aeronautics and Space Administration (NASA).
Taylor, Brian R., and Ratnayake, N.A., “Simulation and Flight Evaluation of a Parameter Estimation Input Design Method for Hybrid-Wing-Body Aircraft,” AIAA-2010-7949, 2010.
Frederick, M., and Ratnayake, N.A., “Flight Test Results from the Rake Airflow Gage Experiment on the F-15B,” AIAA-2010-4573, 2010.
Ratnayake, N.A., “Analysis of a Channeled Centerbody Supersonic Inlet for F-15B Flight Research,” AIAA-2010-477, 2010.
Flynn, D.C., Ratnayake, N.A., and Frederick, M, “Design and Calibration of a Flowfield Survey Rake for Inlet Flight Research,” AIAA-2009-1484, 2009.
Mikellides, P.G. and Ratnayake, N.A., “Modeling of the Pulsed Inductive Thruster Operating with Ammonia Propellant,” AIAA-26609-298, 2007. Also published in AIAA Journal of Propulsion and Power, 2007 0748-4658, vol 23, no. 4 (854-862).
Ratnayake, N.A. “Creation of a Custom SESAME Library for Ammonia for Use in Modeling a Pulsed Inductive Thruster.” International Conference on the Plasma Sciences, ICOPS-2006-2A4.
Mikellides, P.G., Allison, D.L., Ratnayake, N. and Booze, D. “Modeling of a Pulsed Inductive Thruster, (PIT) operating with Ammonia Propellant.” 2005 International Electric Propulsion Conference (Princeton, NJ), IEPC-2005-128.