CO2 laser-induced combustion of ammonium dinitramide (ADN)

被引：33

作者：

Fetherolf, BL

Litzinger, TA ^{[1
]}

机构：

[1] Penn State Univ, Dept Mech Engn, University Pk, PA 16802 USA

[2] Gen Dynam Corp, Pittsfield, MA USA

来源：

COMBUSTION AND FLAME | 1998年 / 114卷 / 3-4期

关键词：

D O I：

10.1016/S0010-2180(97)00325-8

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Experimental studies of CO2 laser-induced combustion of ammonium dinitramide (ADN) were performed to determine the key physical and chemical processes involved. Experimental conditions covered the range of 0.1-5.0 atmospheres in argon and incident laser heat fluxes of 20 to 300 W/cm(2). Quantitative gaseous species measurements obtained by microprobe sampling and mass spectrometer analysis are presented in the form of spatial and temporal profiles. Both gas-phase temperature profiles and surface temperatures measured with fine-wire thermocouples are given. Observations made with a high-magnification video recording system and Schlieren photography of the physical phenomena involved are also discussed. Three distinct regimes of behavior were identified during testing: laser-induced pyrolysis, laser-induced regression, and laser-assisted combustion. The physical, thermal, and chemical characteristics of these three regimes are described. (C) 1998 by The Combustion Institute.

引用

页码：515 / 530

页数：16

共 19 条

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