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Publications

Papers in Refereed Journals

  • Greatrix, D.R., “Elements of Modelling the Use of Particles in Solid-PropellantRocket Motors,” Canadian Aeronautics & Space Journal, Vol. 61 , No. 1,  Sept. 2015,     pp. 9-22
  • Wongyai, P. and Greatrix, D.R., “Regression Rate Estimation for Swirling-FlowHybrid Rocket Engines,” Journal of Propulsion & Power, Vol. 32, No. 1,Jan.-Feb. 2016, pp. 18-22.
  • Greatrix, D.R., “Numerical Evaluation of the Use of Aluminum Particles for Enhancing Solid Rocket Combustion Stability,” Energies, Vol. 8, No. 2, Feb. 2015, pp. 1195-1215.
  • Greatrix, D.R., “Influence of Initial Propellant Temperature on Solid Rocket Internal Ballistics,” Journal of Propulsion & Power, Vol. 30, No. 4, July/Aug. 2014, pp. 869-875
  • Brahmbhatt, V., Greatrix, D.R., Karpynczyk, J. and Trumpour, A.P., “Evaluation of a Laboratory-Scale Hybrid Rocket Engine’s Performance,” International Journal of Energetic Materials and Chemical Propulsion, Vol. 13, No. 2, 2014,pp. 123-139.
  • Greatrix, D.R., “Multisized Inert Particle Loading for Solid Rocket Axial Combustion Instability Suppression,” International Journal of Aerospace Engineering, Vol. 2012, Article 173129, 13 pages, 2012.
  • Greatrix, D.R., “Scale Effects on Solid Rocket Combustion Instability Behaviour,” Energies, Vol. 4, No. 1,  Jan. 2011, pp. 90-107.

  • Greatrix, D.R., "Scale Effects on Quasi-Steady Solid Rocket Internal Ballistic Behaviour," Energies, Vol. 3, No. 11, Nov. 2010, pp. 1790-1804.

  • Shah, S., Liu, G. and Greatrix, D.R., “Modelling, Simulation and Experimental Evaluation of Crossflow Heat Exchanger for Aircraft Environmental Control System,” Journal of Aerospace Engineering (Proc. of Inst. of Mech. Eng., Part G), Vol. 224, No. 5, May 2010, pp. 613-623.

  • Greatrix, D.R. and Baczynski, C., “Solid Rocket Grain Geometry Modifications for Axial Combustion Instability Symptom Suppression,” International Review of Aerospace Engineering, Vol. 3, No.2, April 2010, pp. 102-108.

  • Trumpour, A.P., Greatrix, D.R., Karpynczyk, J. and Cherrington, W., “Preliminary Design of a University Laboratory Hybrid Rocket Engine,” Canadian Aeronautics & Space Journal, Vol. 56, No. 1, April 2010, pp. 1-8.

  • Greatrix, D.R., “Regression Rate Estimation for Standard-Flow Hybrid Rocket Engines,” Aerospace Science & Technology, Vol. 13, No. 7, Oct./Nov. 2009, pp. 358-363. 

  • Montesano, J., Greatrix, D.R., Behdinan, K. and Fawaz, Z., “Prediction of Unsteady Nonlinear Combustion Instability in Solid Rocket Motors,” Journal of Aerospace Engineering (Proc. of Inst. of Mech. Eng., Part G), Vol. 223, No.7, Nov. 2009, pp. 901-913.  

  • Greatrix, D.R., “Simulation of Axial Combustion Instability Development and Suppression in Solid Rocket Motors,” International Journal of Spray & Combustion Dynamics, Vol. 1, No. 1, Mar. 2009, pp. 143-168. 

  • Montesano, J., Behdinan, K., Greatrix, D.R. and Fawaz, Z., “Internal Chamber Modeling of a Solid Rocket Motor: Effects of Coupled Structural and Acoustic Oscillations on Combustion,” Journal of Sound & Vibration, Vol. 311, Issues No. 1-2, Mar. 18, 2008, pp. 20-38. 

  • Greatrix, D.R., “Inert Particles for Axial Combustion Instability Suppression in a Solid Rocket Motor,” Journal of Propulsion & Power, Vol. 24, No. 6, Nov./Dec. 2008, pp. 1347-1354. 

  • Chopra, H.S., Greatrix, D.R. and Kawall, J.G., “Travelling Shock Interaction with Rocket Nozzle,”   International Review of Aerospace Engineering, Vol. 1, No. 1, Feb. 2008, pp. 46-54. 

  • Greatrix, D.R . “Transient Burning Rate Model for Solid Rocket Motor Internal Ballistic Simulations” International Journal of Aerospace Engineering., Vol. Article 826070, 10 pages, 2008. 

  • McTavish, D.J., Davidson, K. and Greatrix, D.R., “Analysis of an Unconstrained Flexible Rocket, Part 1: Finite-Element Based Modeling,” Canadian Aeronautics & Space Journal, Vol. 53, No. 3, Sept. 2007, pp. 77-84. 

  • Davidson, K., McTavish, D.J. and Greatrix, D.R., “Analysis of an Unconstrained   Flexible Rocket, Part 2: Aeroelastic Stability Study,” Canadian Aeronautics & Space Journal, Vol. 53, No. 3, Sept. 2007, pp. 85-94.  

  • Greatrix, D.R  “Model for Prediction of Negative and Positive Erosive Burning” Canadian Aeronautics  Space Journal, Vol. 53, No. 1, pp. 13-21 2007, Mar. 

  • Greatrix, D.R., Feteanu, R.E. and Karpynczyk, J. “Travelling Shock Wave Behaviour in Rocket Motor Chambers” Canadian Aeronautics  Space Journal, Vol. 53, No. 1 pp. 1-12. 2007, Mar.  

  • Greatrix, D.R. and Karpynczyk, J. “Rocket Vehicle Design for Small Payload Delivery to Orbit” Canadian Aeronautics  Space Journal, Vol. 51, No. 3, pp. 123-131 2005, September 

  • Loncaric, S., Greatrix, D.R. and Fawaz, Z. “Star-Grain Rocket Motor ; Nonsteady Internal Ballistics” Aerospace Science  Technology , Vol. 8, No. 1, pp. 47-55. 2004, January  

  • Solanki, N., Greatrix D.R. and Gottlieb, J.J “Externally Generated Pressure Pulse in Rocket Chamber” Canadian Aeronautics  Space Journal Vol.47, No. 4 2001,Dec.  

  • D.R. Greatrix “Structural Vibration and Solid Rocket Combustion Instability—“
    Canadian Aeronautics  Space Journal, Vol. 44, No. 1,pp.9-24. 1998, Mar. 

  • D.R. Greatrix “Internal Ballistic Model for Spinning Star-Grain Motors—“
    Journal of Propulsion  Power, Vol. 12, No. 3,pp.612-614 1996, May-June 

  • D.R. Greatrix “Numerical Study of Axial Motor Oscillation Effects on Solid Rocket Internal Ballistics—“ Canadian Aeronautics and Space Journal, Vol. 40, No. 4,pp 178-186. 1994, Dec. 

  • D.R. Greatrix  “Parametric Analysis of Combined Acceleration Effects on Solid Propellant Combustion” Canadian Aeronautics and Space Journal, Vol. 40, No. 2,pp. 68-73. 1994, June

Refereed Papers Presented at Conferences

  • Greatrix, D.R., "LF and HF Combustion Instability in Hybrid Rocket Engines,”  appearing at AIAA/ASME/SAE/ASEE 54th Joint Propulsion Conference, Cincinnati, July 9 – 11, 2018.
  • Greatrix, D.R., “Geometric Swirl Number and Hybrid Rocket Engine Performance,” appearing at AIAA/ASME/SAE/ASEE 54th Joint Propulsion Conference, Cincinnati, July 9 – 11, 2018.
  • Greatrix, D.R., “Assessing the Influence of Orientation Angle on Acceleration-Augmented Burning in Solid Rockets,” appearing at  AIAA/ASME/SAE/ASEE 54th Joint Propulsion Conference, Cincinnati, July 9 – 11, 2018.
  • Wozney, C. and Greatrix, D.R., “Alternative Thrust Modulation Approach for Solid Rocket Motors,” 63rd CASI Aeronautics Conference (AERO 2017), Toronto, May 16 – 18, 2017. Proceedings, paper no. 17.
  • Lu, Z. and Greatrix, D.R., “Comparison of Non-Cylindrical Grain InternalBallistic Behavior of Hybrid Rocket Engines and Solid Rocket Motors,"63rd CASI Aeronautics Conference (AERO 2017), Toronto, May 16 – 18, 2017. Proceedings, paper no. 6.
  • Greatrix, D.R., “Acceleration Effects on Acoustic Instability of Hybrid Rocket Engine,"AIAA/ASME/SAE/ASEE 53rd Joint Propulsion Conference, AIAA Paper No. 2017-4903, Atlanta, July 10 – 12, 2017.
  • Greatrix, D.R., “Bipolar Combustion Response Model for Hybrid Rocket Internal Ballistic Simulation,” to appear at AIAA/ASME/SAE/ASEE 52nd Joint Propulsion Conference, AIAA Paper No. 2016-4565, Salt Lake City, July 24 – 27, 2016.
  • Bockelt, M.W. and Greatrix, D.R., “Application of Swirl and Spin forIn-Flight Thrust Modulation of Hybrid Rocket Engines,” proceedings of 6th European Conference for Aeronautics and Space Sciences (EUCASS), Krakow,June 29 – July 3, 2015.
  • Greatrix, D.R., “Hybrid Rocket Engine Transient Internal Ballistic Simulation,” AIAA/ASME/SAE/ASEE 51st Joint Propulsion Conference, AIAA Paper No. 2015-3834, Orlando, July 26 – 29, 2015.
  • Greatrix, D.R., Wozney, C. and Bockelt, M., “Alternative Thrust Modulation Techniques for Solid and Hybrid Rockets,”  65th  International       Astronautical Congress, Space Propulsion Symposium, Toronto,  Sept. 29 – Oct. 3, 2014.
  • Greatrix, D.R., “Use of Reactive Particles for Solid Rocket Combustion Instability Suppression,” AIAA/ASME/SAE/ASEE 50th Joint Propulsion Conference, AIAA Paper No. 2014-3493, Cleveland, July 27 – 30, 2014.
  • Wongyai, P. and Greatrix, D.R., “Regression Rate Estimation for            Swirling-Flow Hybrid Rocket Engines,”  AIAA/ASME/SAE/ASEE 50th          Joint Propulsion  Conference, AIAA Paper No. 2014-3750, Cleveland, July    27 – 30, 2014.
  • Greatrix, D.R., “Influence of Initial Propellant Temperature on Solid Rocket Internal Ballistics,” AIAA/ASME/SAE/ASEE 49th Joint Propulsion Conference, AIAA Paper No. 2013-4007, San Jose, July 14 – 17, 2013
  • Greatrix, D.R., “Uniform Particle Regression and Solid Rocket Combustion Instability Suppression,” AIAA/ASME/SAE/ASEE 49th Joint Propulsion Conference, AIAA Paper No. 2013-4081, San Jose, July 14 – 17, 2013
  • Greatrix, D.R., “Nonuniform Particle Regression and Solid Rocket Combustion Instability Suppression,” AIAA/ASME/SAE/ASEE 49th Joint Propulsion Conference, AIAA Paper No. 2013-4082, San Jose, July 14 – 17, 2013
  • Greatrix, D.R., “Effect of Diminishing Particle Size on Solid Rocket Combustion Instability Symptom Suppression,” AIAA/ASME/SAE/ASEE 48th Joint Propulsion Conference, AIAA Paper No. 2012-3727, Atlanta, July 30 – Aug. 1, 2012.
  • Greatrix, D.R., “Multi-Sized Particle Loading for Solid Rocket Combustion Instability Symptom Suppression,” AIAA/ASME/SAE/ASEE 47th Joint Propulsion Conference, AIAA Paper No. 2011-5640, San Diego, July 31 – Aug. 3, 2011.
  • Greatrix, D.R., “Dual Particle Loading for Solid Rocket Instability Symptom Suppression,” AIAA 49th Aerospace Sciences Meeting, AIAA Paper No. 2011-0421, Orlando, Jan. 4-7, 2011.
  • Greatrix, D.R., “Parametric Evaluation of Solid Rocket Motor Internal Ballistics,” AIAA/ASME/SAE/ASEE 46th Joint Propulsion Conference, AIAA Paper No. 2010-6838, Nashville, July 25-28, 2010.

  • Greatrix, D.R., “Parametric Evaluation of Solid Rocket Combustion Instability Behavior,” AIAA/ASME/SAE/ASEE 45th Joint Propulsion Conference, AIAA Paper No. 2009-5251, Denver, Aug. 2-5, 2009. 

  • Baczynski, C. and Greatrix, D.R., “Steepness of Grain Geometry Transitions on Instability Symptom Suppression in Solid Rocket Motor,” AIAA/ASME/SAE/ ASEE 45th Joint Propulsion Conference, AIAA Paper No. 2009-5177, Denver, Aug. 2-5, 2009.

  • McTavish, D.J., Davidson, K. and Greatrix, D.R., “Modeling of an Unconstrained Flexible Rocket Using Finite-Elements and the LISA Method,” AIAA/ASME/ ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA Paper No. 2008-2024, Schaumburg (IL), April 7-10, 2008.  

  • Greatrix, D.R .“Particles for Instability Symptom Suppression in Solid Rocket Motor” AIAA/ASME/SAE/ASEE 43rd Joint Propulsion Conference, AIAA Paper No. 2007-5346, Cincinnati, 2007, July 8-11

  • Greatrix, D.R “Model for Predicting Fuel Regression Rate in Hybrid Rocket Engines”. AIAA/ASME/SAE/ASEE 43rd Joint Propulsion Conference, AIAA Paper No. 2007-5346, Cincinnati, 2007, July 8-11  

  • Trumpour A., Karpynczyk, J. and Greatrix, D.R. “Hybrid Rocket Engine Research Program at Ryerson University” 21st Canadian Congress of Applied Mechanics (CANCAM 2007), Toronto, 2007, June 3-7  

  • Greatrix, D.R “Suppression of Axial Combustion Instability in Solid Rocket Motors” Third International Conference on Computational Ballistics 2007, The New Forest, U.K., Proceedings by WIT Press, pp. 57-66., 2007, June 6-8 

  • Greatrix, D.R  “Transient Solid-Propellant Burning Rate Model: Comparisons to Experimental Data” AIAA/ASME/SAE/ASEE 42nd Joint Propulsion Conference, AIAA Paper No. 2006-4426, 2006, July 9-12 

  • Greatrix, D.R “Predicted Nonsteady Internal Ballistics of Cylindrical-Grain Motor” AIAA/ASME/SAE/ASEE 42nd Joint Propulsion Conference, AIAA Paper No. 2006-4427, July 9-12, 2006  

  • Greatrix, D.R “Model for Prediction of Negative and Positive Erosive Burning” AIAA/ASME/SAE/ASEE 42nd Joint Propulsion Conference, AIAA Paper No. 2006-5112 July 9-12, 2006  

  • Montesano, J., Greatrix, D.R., Behdinan, K. and Fawaz, Z. “Structural Oscillation Considerations for Solid Rocket Internal Ballistics Modeling” AIAA/ASME/SAE/ASEE 41 st Joint Propulsion Conference, AIAA Paper No. 2005-4161, Tucson 2005, July 10-13 

  • Feteanu, R.E. and Greatrix, D.R.  “Traveling Shock Wave Interaction with Rocket Motor Head End” AIAA/ASME/SAE/ASEE 41 st Joint Propulsion Conference, AIAA Paper No. 2005-4002, Tucson 2005, July 10-13 

  • Greatrix, D.R. “Numerical Modeling Considerations for Transient Burning of Solid Propellants” AIAA/ASME/SAE/ASEE 41 st Joint Propulsion Conference, AIAA Paper No. 2005-4005, Tucson 2005, July 10-13 

  • McTavish, D.J., Greatrix, D.R. and Davidson, K. “Unconstrained Flight and Stability Analysis of a Flexible Rocket Using a Detailed Finite-Element Based Procedure” Computational Ballistics II, proceedings by WIT Press, pp. 357-367, Cordoba, Spain 2005, May 18-20 

  • Greatrix, D.R. “Nonsteady Interior Ballistics of Cylindrical-Grain Solid Rocket Motors” Computational Ballistics II, proceedings by WIT Press, pp. 281-289, Cordoba, Spain 2005, May 18-20 

  •  Greatrix, D.R. and Karpynczyk, J. “Rocket Vehicle Design for Small Payload Delivery to Orbit“ Proceedings of the 15 th Propulsion Symposium, 52 nd Annual CASI Conference, Toronto 2005, April 26-27  

  • Feteanu, R.E., Greatrix, D.R. and Karpynczyk, J. “Experimental Analysis of Traveling Shock Wave Behaviour in Rocket Motor Chambers “ Proceedings of the 15 th Propulsion Symposium, 52 nd Annual CASI Conference, Toronto 2005, April 26-27  

  • Montesano, J., Behdinan, K., Greatrix, D.R., and Fawaz, Z. “Fluid-Structure Interaction Considerations for Solid Rocket Motor Chamber Modeling” Proceedings of the 18 th Aerospace Structures and Materials Symposium, 52 nd Annual CASI Conference, Toronto 2005, April 26-27  

  • Greatrix , D.R. “Numerical Transient Burning Rate Model for Solid Rocket Motor Simulations” 40th AIAA Joint Propulsion Conference, AIAA Paper No. 2004-3726, Ft. Lauderdale, Florida 2004, July 11-14  

  • McTavish, D.J., Davidson, K. and Greatrix, D.R “Modeling of an Unconstrained Flexible Flight Vehicle” CSME Forum 2004, London, Ontario 2004, June 1-4  

  • Greatrix, D.R. “Simulation Model for Solid Rocket Combustion Instability Study” Aerodynamics Propulsion Symposium, 51st CASI Annual Conference, Ottawa 2004, April 25-27  

  • Loncaric, S., Greatrix, D. R. and Fawaz, Z. “Internal Ballistic Modeling of a Star-Grain Solid Rocket Motor” 39th AIAA Joint Propulsion Conference, AIAA Paper No. 2003-4505,Huntsville, Alabama. 2003, July 20-23  

  • Chopra, H.S., Greatrix, D.R. and Kawall, J.G. “Transient Shock Interaction with Rocket Nozzle - Cold-Flow Study” 39th AIAA Joint Propulsion Conference, AIAA Paper No. 2003-4669,Huntsville, Alabama., 2003, July 20-23  

  • Chopra, H.S., Kawall, J.G., Greatrix, D.R. and Karpynczyk, J. “An Investigation of the Interaction Between a Shock Wave and an Exhaust Nozzle” 19th Canadian Congress of Applied Mechanics,Calgary., 2003, June 1-6  

  • Davidson, K., Greatrix, D.R. and McTavish, D.J. “Stability Analysis of a Flexible Rocket” 13th Propulsion Symposium, 50th CASI Annual Conference,Montreal., 2003, April 28-30  

  • Laderman, M., Greatrix, D.R. and Liu, G. “Fuzzy Logic Control of Surge in a Jet Engine Model” 13th Propulsion Symposium, 50th CASI Annual Conference,Montreal. 2003,April 28-30  

  • Greatrix, D.R “Fluid-Structure Interactions in Solid Rocket” 13th Propulsion Symposium,50th CASI Annual Conference,Montreal 2003, April 28-30  

  • Greatrix D.R. “Hybrid Rockets - Internal Ballistic Modelling Considerations” CSME Forum 2002, Kingston, Ontario 2002, May 21-24  

  • Laderman, M. McTavish, D. J. Karpynczyk, J. “RACE: Ryerson Satellite Attitude Control Experiment” CSME Forum 2002, Kingston, Ontario 2002, May 21-24  

  • Greatrix D.R., and Kudriavtsev, V. “Modeling of Structural Vibration for Motor Chamber Internal Flow Studies” 4th International ASME/JSME/KSME Symposium on Computational Technology for Fluid/Thermal/Chemical/Stress Systems and Industrial Applications, Vancouver, B.C. 2002, Aug 4-8 

  • S. Loncaric, D.R. Greatrix and Z. Fawaz “Considerations for Internal Ballistic Modelling of a Star-Grain Motor—“ Proceedings of the 48th Annual CASI Conference,pp. 701-708 2001, April 29-May 2 

  • N. Solanki, D.R. Greatrix and J.J.Gottlieb “External Pulse Effects on Solid Rocket Internal Ballistics—“ AIAA Paper #2000-3188 2000  

  • D.R. Greatrix and P.G. Harris “Structural Vibration Considerations for Solid Rocket Internal Ballistics Modeling—“ AIAA Paper #2000-3804 2000 

  • D.R. Greatrix “Combined Structural Oscillation Effects on Solid Rocket Internal Ballistics—“ AIAA Paper #99-2509 1999 

  • D.R. Greatrix and J.J. Gottlieb “Higher-Order Random-Choice Method for Internal Ballistic Flows“ CFD Society of Canada (CFD99),proceedings, pp. 9-15- 9-20 . 1999, May 30-June 1  

  • D.R. Greatrix and J. Karpynczyk  “Rocket Vehicle Design for High-Altitude Payload delivery“ 1998 C.S.M.E. Forum,pp.251-257 (Vol. 5). 1998, May 19-22 

  • D.R. Greatrix  “Axial Motor Vibration and Associated Internal Ballistics“ AIAA Paper #97-3337 1997 

  • D.R. Greatrix  “Transverse Vibration and Rocket Combustor Internal Ballistics“AIAA Paper #97-3338 1997