压力容器2016，Vol.33Issue(8)：60-64,74,6.DOI:10.3969/j.issn.1001-4837.2016.08.010
泄漏位置对激光检测天然气管道泄漏影响分析
Investigation of Leakage Location Effect on Laser Detection in Natural Gas Pipeline Leaking
摘要
Abstract
The leakage of natural gas pipeline has great threat,and laser technology is an important meth-od of detecting natural gas pipeline leakage,but natural gas diffusion process has an obvious influence on laser detection.Overhead natural gas pipeline leakage and diffusion model was established,and natural gas pipeline leakage and diffusion process was analyzed numerically with different leakage locations.Then leakage locations influence on laser detection was discussed.The results show that the diffusion concentra-tion of natural gas on the ground between -50 m and 50 m in the horizontal distance is high when the leaking location of natural gas pipeline is on the bottom,and the intensity of laser detection is weak.How-ever,the diffusion concentration of natural gas diffussion is between -30 m and 30 m in the horizontal distance when the leaking location of natural gas pipeline is on the top,and the intensity of laser detection is strong.This results can provide reference for reasonable and effective laser detection.关键词
天然气管道/激光检测/泄漏位置/数值模拟Key words
natural gas pipeline/laser detection/leakage location/numerical simulation分类
机械制造引用本文复制引用
王莉莉,王梦珠,吕妍,齐晗兵,李栋..泄漏位置对激光检测天然气管道泄漏影响分析[J].压力容器,2016,33(8):60-64,74,6.基金项目
中国石油科技创新基金研究项目（2015D －5006－0605）；中国博士后科学基金资助项目 （）
