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Approaches for Safety Analysis of Gas-Pipeline Functionality in Terms of Failure Occurrence: A Case Study

机译:基于故障发生的气体管道功能安全性分析方法:一个案例研究

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摘要

The development of appropriate assessment methods of gas-pipeline functionality contributes to the reduction of failure consequences and helps engineers to make the right decisions as to the optimal solution choice for technical facilities, as well as provides procedures to protect their users and the surrounding environment. This paper presents methods for the assessment of gas network operation. Pipe failure data were collected from a gas distribution network. A statistical analysis of the failure of gas networks was made. An attempt was made to isolate seasonal and accidental fluctuations in the tested failure stream. The Poisson distribution was proposed as a model of failure distribution of gas networks. The conducted analysis allowed us to propose the forecasting method of acceptable failure consequences using the homogeneous Markov chain. The obtained results are valuable for supporting the management of urban gas networks, mainly in terms of the strategic modernization plans and the rehabilitation techniques.
机译:适当的天然气管道功能评估方法的开发有助于减少故障后果,并帮助工程师针对技术设施的最佳解决方案选择做出正确的决定,并提供保护其用户和周围环境的程序。本文提出了评估燃气管网运行的方法。管道故障数据是从气体分配网络收集的。对燃气网络的故障进行了统计分析。试图隔离测试失败流中的季节性和意外波动。泊松分布被提出作为天然气网络故障分布的模型。进行的分析使我们能够提出使用齐次马尔可夫链的可接受的失效后果的预测方法。获得的结果对于支持城市燃气网络的管理具有重要价值,主要是在战略现代化计划和修复技术方面。

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