Size effect in laser-induced initiation of a pyrotechnical composition (ammonium perchlorate and ultrafine aluminum)

V. V. Medvedev, E. P. Ageeva, V. P. Tsipilev, A. N. Yakovlev

Результат исследований: Материалы для журналаСтатья

4 Цитирования (Scopus)

Выдержка

The energy thresholds and ignition delays of pressed samples of a stoichiometric pyrotechnical mixture of ammonium perchlorate and ultrafine aluminum are studied as functions of the diameter of the laser spot created by a millisecond laser pulse. A clearly expressed size effect is found. A characteristic size determining the boundary between the wide and narrow beams of the laser pulse applied is determined. The influence of optical properties of the examined composition on the behavior of the size dependences is discussed. The relation between the nature of the size effect and the laws of light scattering in the volume of powdered pyrotechnical mixtures is considered.

Язык оригиналаАнглийский
Страницы (с-по)685-689
Число страниц5
ЖурналCombustion, Explosion and Shock Waves
Том44
Номер выпуска6
DOI
СостояниеОпубликовано - 1 ноя 2008

Отпечаток

ammonium perchlorates
Aluminum
Laser pulses
aluminum
Lasers
Chemical analysis
Light scattering
lasers
Ignition
Optical properties
pulses
ignition
light scattering
optical properties
thresholds
ammonium perchlorate
Ultrafine
energy

ASJC Scopus subject areas

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

Цитировать

Size effect in laser-induced initiation of a pyrotechnical composition (ammonium perchlorate and ultrafine aluminum). / Medvedev, V. V.; Ageeva, E. P.; Tsipilev, V. P.; Yakovlev, A. N.

В: Combustion, Explosion and Shock Waves, Том 44, № 6, 01.11.2008, стр. 685-689.

Результат исследований: Материалы для журналаСтатья

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AU - Medvedev, V. V.

AU - Ageeva, E. P.

AU - Tsipilev, V. P.

AU - Yakovlev, A. N.

PY - 2008/11/1

Y1 - 2008/11/1

N2 - The energy thresholds and ignition delays of pressed samples of a stoichiometric pyrotechnical mixture of ammonium perchlorate and ultrafine aluminum are studied as functions of the diameter of the laser spot created by a millisecond laser pulse. A clearly expressed size effect is found. A characteristic size determining the boundary between the wide and narrow beams of the laser pulse applied is determined. The influence of optical properties of the examined composition on the behavior of the size dependences is discussed. The relation between the nature of the size effect and the laws of light scattering in the volume of powdered pyrotechnical mixtures is considered.

AB - The energy thresholds and ignition delays of pressed samples of a stoichiometric pyrotechnical mixture of ammonium perchlorate and ultrafine aluminum are studied as functions of the diameter of the laser spot created by a millisecond laser pulse. A clearly expressed size effect is found. A characteristic size determining the boundary between the wide and narrow beams of the laser pulse applied is determined. The influence of optical properties of the examined composition on the behavior of the size dependences is discussed. The relation between the nature of the size effect and the laws of light scattering in the volume of powdered pyrotechnical mixtures is considered.

KW - Ignition threshold

KW - Laser radiation

KW - Pyrotechnical mixture

KW - Size effect

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