|本期目录/Table of Contents|

[1]张丽娜,白珊.基于元胞自动机数学模型的瓦斯抽采管道漏点定位研究[J].中国安全生产科学技术,2019,15(5):99-104.[doi:10.11731/j.issn.1673-193x.2019.05.016]
 ZHANG Lina,BAI Shan.Research on leakage point positioning of gas drainage pipeline based on cellular automata mathematical model[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2019,15(5):99-104.[doi:10.11731/j.issn.1673-193x.2019.05.016]
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基于元胞自动机数学模型的瓦斯抽采管道漏点定位研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
15
期数:
2019年5期
页码:
99-104
栏目:
职业安全卫生管理与技术
出版日期:
2019-05-31

文章信息/Info

Title:
Research on leakage point positioning of gas drainage pipeline based on cellular automata mathematical model
文章编号:
1673-193X(2019)-05-0099-06
作者:
张丽娜白珊
(唐山科技职业技术学院,河北 唐山 063000)
Author(s):
ZHANG Lina BAI Shan
(Tangshan Vocational College of Science and Technology, Tangshan Hebei 063000, China)
关键词:
瓦斯抽采元胞自动机数学模型漏点定位沿程压力
Keywords:
gas extraction cellular automata mathematical model leakage point positioning pressure along the path
分类号:
X936;TD75
DOI:
10.11731/j.issn.1673-193x.2019.05.016
文献标志码:
A
摘要:
为了解决普通数学模型难以准确描述瓦斯抽采管道内流体的流动状态问题,提出了以元胞自动机模型为基础的瓦斯抽采管道漏点定位模型。根据元胞自动机在空间和时间上离散化的特性来演化管道流体在时空上的连续变化,将管径变化、管壁粗糙度、管构异件种类和数量以及温度等参数沿管道进行离散化,利用元胞自动机理论以及管道两端的信号对管道沿线压力和流量等参数变化进行预测,以判断泄漏的发生和漏点定位。通过实验验证,该方法能提高漏点定位精度。
Abstract:
In order to solve the problem that the ordinary mathematical model is difficult to accurately describe the flow state of fluid in the gas extraction pipeline, a model of leakage point positioning for the gas drainage pipeline based on the cellular automata model was presented. According to the discretization characteristics of cellular automata in space and time, the continuous change of pipeline fluid in space and time was evolved, and the parameters such as pipeline diameter change, pipeline wall roughness, types and quantities of pipeline structure irregular parts and temperature were discretized along the pipeline. Based on the cellular automata theory and the signals at both ends of the pipeline, the change of pressure and flow rate along the pipeline were predicted to determine the occurrence of leakage and the leakage point positioning. The experimental results showed that this method greatly improved the accuracy of leakage point positioning.

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备注/Memo

备注/Memo:
收稿日期: 2019-01-22
基金项目: 国家自然科学基金项目(51404263)
作者简介: 张丽娜,本科,讲师,主要研究方向为数学与应用数学。
更新日期/Last Update: 2019-06-11