Ignition dynamics of boron particles in a shock tube

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

doi:10.2514/2.5282

Ignition dynamics of boron particles in a shock tube

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

Mechanical Science and Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

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 language	English (US)
Pages (from-to)	166-172
Number of pages	7
Journal	Journal of Propulsion and Power
Volume	14
Issue number	2
DOIs	https://doi.org/10.2514/2.5282
State	Published - 1998

ASJC Scopus subject areas

Aerospace Engineering
Fuel Technology
Mechanical Engineering
Space and Planetary Science

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10.2514/2.5282

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Ignition dynamics of boron particles in a shock tube

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