Combustion of HTPB-based solid fuels loaded with coated nanoaluminum

A. Sossi, E. Duranti, M. Manzoni, C. Paravan, L. T. Deluca, A. B. Vorozhtsov, Marat Izrailevich Lerner, N. G. Rodkevich, A. A. Gromov, N. Savin

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Nanoaluminum powder (nAl, nominal size of particles 50 nm and 100 nm), obtained by electrical explosion of wires, was passivated by air and coated by several different protective organic reagents to assess the effects on ballistics of nAl-loaded hydroxyl-terminated polybutadiene (HTPB)-based solid fuel with respect to pure HTPB baseline. The nAl samples were characterized by transmission electron microscopy (TEM), Brunauer-Emmett-Teller (BET), and chemical analysis on active aluminum content (Al°) content and added to HTPB-based solid fuels for hybrid propulsion. Combustion tests were carried out burning central-perforated single-port cylindrical samples in a 2D radial burner. Data analysis was performed to obtain a continuous time-resolved regression rate. Coated nAl particles may significantly improve the ballistics of HTPB + nAl formulations burning in gaseous oxygen, with respect to pure HTPB. All investigated formulations with nAl exhibit increase of instantaneous regression rate (up to 89% maximum), depending on coatings and oxidizer mass flux G ox . Fluoroelastomer and fluorine-containing chemicals used for coating show a good compromise between increase in regression rate and low sensitivity to G ox variation under the implemented operating conditions.

Original languageEnglish
Pages (from-to)17-36
Number of pages20
JournalCombustion Science and Technology
Volume185
Issue number1
DOIs
Publication statusPublished - 2 Jan 2013

Fingerprint

polybutadiene
Polybutadienes
Hydroxyl Radical
regression analysis
Ballistics
ballistics
hybrid propulsion
coatings
formulations
Coatings
oxidizers
Fluorine
burners
Aluminum
chemical analysis
Fuel burners
Powders
Propulsion
Explosions
reagents

Keywords

  • ALEX
  • Fluoroelastomer coating
  • HTPB
  • Hybrid propulsion
  • Nanoaluminum
  • Nanoaluminum powder
  • Organic coating
  • Regression rate enhancement

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Chemical Engineering(all)
  • Energy Engineering and Power Technology
  • Fuel Technology
  • Chemistry(all)

Cite this

Sossi, A., Duranti, E., Manzoni, M., Paravan, C., Deluca, L. T., Vorozhtsov, A. B., ... Savin, N. (2013). Combustion of HTPB-based solid fuels loaded with coated nanoaluminum. Combustion Science and Technology, 185(1), 17-36. https://doi.org/10.1080/00102202.2012.707261

Combustion of HTPB-based solid fuels loaded with coated nanoaluminum. / Sossi, A.; Duranti, E.; Manzoni, M.; Paravan, C.; Deluca, L. T.; Vorozhtsov, A. B.; Lerner, Marat Izrailevich; Rodkevich, N. G.; Gromov, A. A.; Savin, N.

In: Combustion Science and Technology, Vol. 185, No. 1, 02.01.2013, p. 17-36.

Research output: Contribution to journalArticle

Sossi, A, Duranti, E, Manzoni, M, Paravan, C, Deluca, LT, Vorozhtsov, AB, Lerner, MI, Rodkevich, NG, Gromov, AA & Savin, N 2013, 'Combustion of HTPB-based solid fuels loaded with coated nanoaluminum', Combustion Science and Technology, vol. 185, no. 1, pp. 17-36. https://doi.org/10.1080/00102202.2012.707261
Sossi A, Duranti E, Manzoni M, Paravan C, Deluca LT, Vorozhtsov AB et al. Combustion of HTPB-based solid fuels loaded with coated nanoaluminum. Combustion Science and Technology. 2013 Jan 2;185(1):17-36. https://doi.org/10.1080/00102202.2012.707261
Sossi, A. ; Duranti, E. ; Manzoni, M. ; Paravan, C. ; Deluca, L. T. ; Vorozhtsov, A. B. ; Lerner, Marat Izrailevich ; Rodkevich, N. G. ; Gromov, A. A. ; Savin, N. / Combustion of HTPB-based solid fuels loaded with coated nanoaluminum. In: Combustion Science and Technology. 2013 ; Vol. 185, No. 1. pp. 17-36.
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