Combustion of aluminum particles with steam and liquid water

Grant A. Risha, Ying Huang, Richard A. Yetter, Vigor Yang, Steven F. Son, Bryce C. Tappan

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

26 Scopus citations

Abstract

Experiments were conducted to study the effect of liquid and gas phases of water as the oxidizer combusting with both micron- and nano-sized aluminum particles. Combustion of aluminum with steam was achieved using a Bunsen-type dust cloud apparatus. During the experiment, the aluminum particles, ∼5-8 microns in diameter, were entrained in a high-velocity steam flow while the aerosol velocity is regulated by an ejector system to maintain a stable flame at the end of the contoured nozzle. AI/steam/N2 flames were obtained for various equivalence ratios at atmospheric pressure. The flame luminosity was less than that of aluminum/air mixtures due to the reduction in flame temperature. Linear and massburning rates of mixtures of nanoaluminum (38 nm) and liquid water as a function of pressure and mixture composition at room temperature were measured using a constant volume optical pressure vessel. At the highest pressure studied (4.3 M Pa), the linear burning rate was found to be 8.6β0.4 cm/s corresponding to a mass-burning rate of 6.1 g/cm 2-s. The pressure exponent at room temperature was 0.47, which was independent of the overall mixture equivalence ratio for the cases considered.

Original languageEnglish (US)
Title of host publicationCollection of Technical Papers - 44th AIAA Aerospace Sciences Meeting
Pages14007-14014
Number of pages8
StatePublished - Dec 1 2006
Event44th AIAA Aerospace Sciences Meeting 2006 - Reno, NV, United States
Duration: Jan 9 2006Jan 12 2006

Publication series

NameCollection of Technical Papers - 44th AIAA Aerospace Sciences Meeting
Volume19

Other

Other44th AIAA Aerospace Sciences Meeting 2006
CountryUnited States
CityReno, NV
Period1/9/061/12/06

All Science Journal Classification (ASJC) codes

  • Space and Planetary Science
  • Aerospace Engineering

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    Risha, G. A., Huang, Y., Yetter, R. A., Yang, V., Son, S. F., & Tappan, B. C. (2006). Combustion of aluminum particles with steam and liquid water. In Collection of Technical Papers - 44th AIAA Aerospace Sciences Meeting (pp. 14007-14014). (Collection of Technical Papers - 44th AIAA Aerospace Sciences Meeting; Vol. 19).