Analysis of Conditions for Determining the Thermophysical Characteristics of Energetic Materials by the Laser Pulse Method

被引：0

作者：

Kuznetsov, G. V. ^{[1
]}

Katz, M. D. ^{[1
]}

机构：

[1] Natl Res Tomsk Polytech Univ, Tomsk 634050, Russia

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY B | 2016年 / 10卷 / 06期

关键词：

thermophysical characteristics; energetic materials; laser pulse method; numerical solution; sample thickness; pulse duration; DETERMINING THERMAL-CHARACTERISTICS; FLASH METHOD; HIGH-TEMPERATURES; IGNITION; SAMPLE; ERRORS;

D O I：

10.1134/S1990793116060051

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

An analysis of conditions for determining the thermophysical characteristics of energetic materials by the laser pulse method is performed. Based on the results of numerical solution of the heat conduction problems for a sample of a material irradiated with a short heating laser pulse corresponding to actual experimental conditions, the time dependences on the sample surface temperature are determined. The heat pulse duration required to determine the thermophysical properties of materials and the ignition delay time are compared. It is shown that the determination of the thermophysical characteristics of a typical energetic material by the laser pulse method is possible at pulse durations of no longer than 0.24 s.

引用

页码：978 / 982

页数：5

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