Condensed-phase kinetics of cyclotetramethylenetetranitramine from confined rapid thermolysis/FTIR spectroscopy

E. S. Kirn, Stefan Thynell

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations


Only a limited amount of data is available on the condensedphase decomposition rates of cyclotetramethylenetetranitramine (HMX), which is a common propellant ingredient. Such data are of utmost importance for developing complex models of the ignition and combustion behavior of this energetic material. In this study, an attempt is made to determine the condensed-phase decomposition rates by measuring the evolved gas products. A small amount of the material is rapidly placed between two isothermal surfaces to yield heating rates in excess of 1500 K/s. The temporal species concentration profiles of the gaseous decomposition products at each set temperature are obtained from FTIR spectroscopy. An inverse-based iterative fitting technique is utilized to obtain the kinetic-rate parameters of the overall global decomposition reactions using the experimental species profiles as inputs to the model. A sensitivity analysis of these parameters are also performed.

Original languageEnglish (US)
Title of host publication33rd Joint Propulsion Conference and Exhibit
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9780000000002
StatePublished - 1997
Event33rd Joint Propulsion Conference and Exhibit, 1997 - Seattle, United States
Duration: Jul 6 1997Jul 9 1997


Other33rd Joint Propulsion Conference and Exhibit, 1997
Country/TerritoryUnited States

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering
  • Mechanical Engineering
  • Control and Systems Engineering
  • Aerospace Engineering


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