Abstract
The heating dynamics and thermal ignition of a condensed transparent material by a radiation pulse absorbed by optical micro-heterogeneities present in the material were studied numerically and approximately analytically over a wide range of pulse durations. For quasistationary heating conditions of micro-heterogeneities, an analytical dependence of the radiation power density critical for ignition on the formal kinetic parameters of the chemical process and the radius of the particle absorbing the radiation was obtained. The critical energy characteristics of ignition are compared with experimental data on the initiation threshold of lead azide by laser pulses of different duration.
| Original language | English |
|---|---|
| Pages (from-to) | 581-590 |
| Number of pages | 10 |
| Journal | Combustion, Explosion and Shock Waves |
| Volume | 47 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - 1 Sep 2011 |
Fingerprint
Keywords
- Absorbing optical heterogeneities limiting parameters
- Ignition energy threshold
- Laser radiation
- Reactive material
ASJC Scopus subject areas
- Physics and Astronomy(all)
- Chemical Engineering(all)
- Chemistry(all)
- Energy Engineering and Power Technology
- Fuel Technology
Cite this
Initiation of a reactive material by a radiation beam absorbed by optical heterogeneities of the material. / Burkina, R. S.; Morozova, E. Yu; Tsipilev, V. P.
In: Combustion, Explosion and Shock Waves, Vol. 47, No. 5, 01.09.2011, p. 581-590.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Initiation of a reactive material by a radiation beam absorbed by optical heterogeneities of the material
AU - Burkina, R. S.
AU - Morozova, E. Yu
AU - Tsipilev, V. P.
PY - 2011/9/1
Y1 - 2011/9/1
N2 - The heating dynamics and thermal ignition of a condensed transparent material by a radiation pulse absorbed by optical micro-heterogeneities present in the material were studied numerically and approximately analytically over a wide range of pulse durations. For quasistationary heating conditions of micro-heterogeneities, an analytical dependence of the radiation power density critical for ignition on the formal kinetic parameters of the chemical process and the radius of the particle absorbing the radiation was obtained. The critical energy characteristics of ignition are compared with experimental data on the initiation threshold of lead azide by laser pulses of different duration.
AB - The heating dynamics and thermal ignition of a condensed transparent material by a radiation pulse absorbed by optical micro-heterogeneities present in the material were studied numerically and approximately analytically over a wide range of pulse durations. For quasistationary heating conditions of micro-heterogeneities, an analytical dependence of the radiation power density critical for ignition on the formal kinetic parameters of the chemical process and the radius of the particle absorbing the radiation was obtained. The critical energy characteristics of ignition are compared with experimental data on the initiation threshold of lead azide by laser pulses of different duration.
KW - Absorbing optical heterogeneities limiting parameters
KW - Ignition energy threshold
KW - Laser radiation
KW - Reactive material
UR - http://www.scopus.com/inward/record.url?scp=84855814993&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84855814993&partnerID=8YFLogxK
U2 - 10.1134/S0010508211050121
DO - 10.1134/S0010508211050121
M3 - Article
AN - SCOPUS:84855814993
VL - 47
SP - 581
EP - 590
JO - Combustion, Explosion and Shock Waves
JF - Combustion, Explosion and Shock Waves
SN - 0010-5082
IS - 5
ER -