摘要
通过分析管道燃气泄漏所产生的超声波信号的声压、泄漏流速与雷诺数之间的关系,利用嵌入式DSP技术和降频原理,可以及时、准确地判断管道燃气有无泄漏、泄漏点的具体位置以及泄漏量的大小,从而实现了对燃气管道的实时监控,对于节约能源、人力资源和减少环境污染具有重要的意义。
By analyzing the relations between the sonic pressure of ultrasonic signal produced by ducted-gas leaking, the leakage flow and the Re, utilized the embed type DSP technology and frequency-lowing theory to accurately and timely locate if any, the leakage point, and measures the amount of leakage, Consequently, real-time monitoring of the ducted-gas was realized, It is of great significance to economization of energy human resources and less environmental pollution,
出处
《管道技术与设备》
CAS
2006年第4期26-27,共2页
Pipeline Technique and Equipment
关键词
燃气泄漏
超声检测
嵌入技术
系统设计
gas leakage
ultrasonic testing
embedding technology
system design
