Mechanical engineering associate professor Travis Sippel smiles for the camera. He's wearing a grey suite coat and a blue collared shirt.

Travis R Sippel


Associate Professor
Mechanical Engineering


2090 Black Engr.
2529 Union Dr.
Ames, IA 500112030



  • PhD, Mechanical Engineering, Purdue University, 2013
  • MS, Mechanical Engineering, Purdue University, 2009
  • ME, Mechanical Engineering, Purdue University, 2009
  • BS, Mechanical Engineering, University of Kansas, 2006

Interest Areas

  • Detonation
  • Solid rocket propulsion
  • Pyrotechnics
  • Nanoscale materials, nanoscale energetic materials
  • Electromagnetic field interaction with flames
  • Metal combustion
  • Spectroscopy, high-speed imaging techniques


  • Barkley SJ, Zhu K, Lynch JE, Michael JB, Sippel TR. Microwave plasma enhancement of multiphase flames: On-demand control of solid propellant burning rate. Combustion and Flame. 2019 Jan 1;199:14-23.
  • Barkley SJ, Zhu K, Michael JB, Sippel TR. Microwave Control of Composite Solid Propellant Flame Spread Through Eddy Current Heating of Wired/Foiled Propellant. InAIAA Scitech 2019 Forum 2019 (p. 1239).
  • Lawrence AR, Laktas JM, Place GJ, Jelliss PA, Buckner SW, Sippel TR. Organically-Capped, Nanoscale Alkali Metal Hydride and Aluminum Particles as Solid Propellant Additives. Journal of Propulsion and Power. 2019 Jul;35(4):736-46.
  • Huston MR, Sippel TR. Confined flame propagation of Al/PTFE mechanically activated composites. Combustion and Flame. 2019 May 1;203:83-91.
  • T.R. Sippel, S. Zhang, E.L. Dreizin, S.F. Son, L.J. Groven, “Exploring Mechanisms for Agglomerate Reduction in Composite Solid Propellants with Polyethylene Inclusion Modified Aluminum,” Combustion and Flame, 2014.
  • T.R. Sippel, S.F. Son, L.J. Groven, “Aluminum Agglomeration Reduction in a Composite Propellant Using Tailored Al/PTFE Particles,” Combustion and Flame, 161, 311-321, 2014.
  • T.R. Sippel, S.F. Son, L.J. Groven, “Modification of Micrometer Aluminum with Poly(carbon monofluoride) via Mechanical Activation,” Propellants, Explosives, and Pyrotechnics, 38, 321-326, 2013.
  • T.R. Sippel, T.L. Pourpoint, S.F. Son, “Combustion of Nanoaluminum and Water Propellants: Effect of Equivalence Ratio and Safety/Aging Characterization,” Propellants, Explosives, Pyrotechnics, 38, 56-66, 2013.
  • T.R. Sippel, S.F. Son, L.J. Groven, “Altering Reactivity of Aluminum with Selective Inclusion of Polytetrafluoroethylene through Mechanical Activation,” Propellants, Explosives, Pyrotechnics, 38, 286-295, 2012.