Ignition dynamics of boron particles in a shock tube

Herman Krier, R. L. Burton, M. J. Spalding, T. J. Rood

Research output: Contribution to journalArticlepeer-review


Small crystalline boron particles (1-15 μm) are ignited in pure oxygen and oxygen/fluorine atmospheres at the endwall of a high-pressure (8.5 atm) shock tube to study the effect of temperature, particle size, and fluorine additives on ignition delay time. An infrared detector is used to observe gaseous B2O3 emission, while a visible wavelength photodiode is used simultaneously to observe BO2 emission. Both infrared and visible data are presented showing particle size and temperature effects.

Original languageEnglish (US)
Pages (from-to)166-172
Number of pages7
JournalJournal of Propulsion and Power
Issue number2
StatePublished - 1998

ASJC Scopus subject areas

  • Aerospace Engineering
  • Fuel Technology
  • Mechanical Engineering
  • Space and Planetary Science


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