二维码(扫一下试试看!) | 云爆弹固体燃料云雾浓度快速检测系统设计 | Design of the FAE Solid Fuel Cloud Concentration Fast Measurement System | 投稿时间:2018-11-20 | DOI:10.15918/j.tbit1001-0645.2018.s2.031 | 中文关键词:云爆弹浓度检测超声衰减 | English Keywords:fuel air explosive (FAE)concentration measurementultrasonic attenuation | 基金项目:国家部委预研基金资助项目(20160229150) | | 摘要点击次数:394 | 全文下载次数:141 | 中文摘要: | 燃料云雾浓度测量技术是云爆弹实现最佳引战配合、充分发挥作战威力的关键因素,但是现有多相物浓度检测方法难以满足实时性要求.采用数值模拟方法,对超声在气固混合混合物中衰减的一般模型进行了分析和简化,建立了金属颗粒-空气混合物的浓度快速反演算法.采用信号采集功能和浓度解算功能分离执行方法,完成双核流水作业式浓度检测系统设计.采用高精度浓度标定装置开展浓度检测系统功能验证试验.结果表明文中设计的检测系统同时具备良好的测量范围、测量精度和测量速度,可以用于云爆弹燃料云雾浓度快速检测. | English Summary: | The solid fuel cloud concentration measurement technology is the key factor for the FAE to realize the best fuse-warhead coordination and enhance the damage power, but the existing multiphase concentration testing methods cannot meet the demand of in-situ measurements. The general model of ultrasonic attenuation in solid-gas mixture is investigated and simplified by numerical analyses,and the fast calculating algorithm of mixture concentration of air and metal particles is established. Assembly method with dual core is adopted to design the concentration measurement system, in which the signal sampling function and concentration calculating function can be achieved independently. An experiment is conducted with a high-precision concentration measurement device to testify the characters of the concentration measurement system. The results show that the concentration measurement system performs very well in both accuracy and speed,so it can be used to test the concentration of FAE fuel cloud. | 查看全文查看/发表评论下载PDF阅读器 | |
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