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中文摘要：
通过实验观察了痕量梯恩梯的爆燃现象及其规律,并在此基础上设计了一种集成有加热元件和检测元件的高灵敏度硅梁结构.有限元仿真结果表明,该硅梁升温迅速且温度分布均匀,能实现对纳克量级梯恩梯的检测.该项工作为下一步采用MEMS技术制作该硅梁敏感结构,进而研制新型便携式爆炸物探测器奠定了良好的基础.
英文摘要：
Explosive detecting technology can be used in usual explosive and mine detection, available in both military and civilian affairs. Different explosives have different deflagration temperatures and exothermic phenomena and these characteristics can be used as criterions of explosive detecting. The deflagration phenomena and rule of the trace TNT were experimentally studied. By the experimental results, a highly sensitive silicon beam integrated of heating and detecting elements was designed. The finite element simulation results of the silicon beam indicate that the silicon beam can be rapidly heated to deflagration temperature of the explosives and the temperature is uniformly distributed. So, it can detect 1 ng of TNT. This work lays a foundation for the silicon beam fabrication using MEMS technology and development of a new Portable explosive detector.
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