Analysis of aluminum dust cloud combustion using flame emission spectroscopy

Sanghyup Lee, Kwanyoung Noh, Woong-Sup Yoon

Research output: Contribution to journalArticle

Abstract

In this study, aluminum flame analysis was researched in order to develop a measurement method for high-energy-density metal aluminum dust cloud combustion, and the flame temperature and UV-VIS-IR emission spectra were precisely measured using a spectrometer. Because the micron-sized aluminum flame temperature was higher than 2 400 K, Flame temperature was measured by a non-contact optical technique, namely, a modified two-color method using 520 and 640 nm light, as well as by a polychromatic fitting method. These methods were applied experimentally after accurate calibration. The flame temperature was identified to be higher than 2 400 K using both methods. By analyzing the emission spectra, we could identify AlO radicals, which occur dominantly in aluminum combustion. This study paves the way for realization of a measurement technique for aluminum dust cloud combustion flames, and it will be applied in the aluminum combustors that are in development for military purposes.

Original languageEnglish
Pages (from-to)2431-2438
Number of pages8
JournalGuang Pu Xue Yu Guang Pu Fen Xi/Spectroscopy and Spectral Analysis
Volume35
Issue number9
DOIs
Publication statusPublished - 2015 Sep 1

Fingerprint

Emission spectroscopy
Aluminum
Dust
flames
flame temperature
dust
aluminum
spectroscopy
emission spectra
Temperature
combustion chambers
Combustors
Spectrometers
flux density
Metals
Calibration
spectrometers
Color
color
metals

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Spectroscopy

Cite this

Lee, Sanghyup ; Noh, Kwanyoung ; Yoon, Woong-Sup. / Analysis of aluminum dust cloud combustion using flame emission spectroscopy. In: Guang Pu Xue Yu Guang Pu Fen Xi/Spectroscopy and Spectral Analysis. 2015 ; Vol. 35, No. 9. pp. 2431-2438.
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Analysis of aluminum dust cloud combustion using flame emission spectroscopy. / Lee, Sanghyup; Noh, Kwanyoung; Yoon, Woong-Sup.

In: Guang Pu Xue Yu Guang Pu Fen Xi/Spectroscopy and Spectral Analysis, Vol. 35, No. 9, 01.09.2015, p. 2431-2438.

Research output: Contribution to journalArticle

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