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A comprehensive review of acoustic based leak localization method in pressurized pipelines

机译：基于声学管道的声学泄漏定位方法综述

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摘要

Pipelines are widely used in the transportation of water, oil, gas, etc. Leakage in pipelines leads to a great waste of natural resources and sometimes constitutes a public health risk. Due to its wave-like nature, acoustics is one of the most studied technology for leak detection and localization in pipelines. Over the past decades, numerous articles have been published to address leak localization problems with acoustic-based methods. However, a review of the research development on acoustic-based leak localization technology is lacking. Therefore, this paper utilizes bibliometric analysis to systematically examine the published research articles in this field. Analyses showe that investigations on acoustic-based leak localization technology became popular in the last decade. Most existing researches focus on or exploited the cross-correlation based methods. Furthermore, the most frequently investigated research objective is the development of a signal processing algorithm for denoising and extracting leak signals. Other efforts include altering the number of sensors, developing wireless detection systems, etc. Potential future directions are presented based on a summary of the limitations of the existing research. This paper provides an in-depth understanding of the state-of-the-art in this field to researchers and engineers. Additionally, it identifies prospective research areas based on the findings and limitations of the previous studies.
机译：管道广泛用于运输水，石油，天然气等管道中的泄漏导致自然资源的巨大浪费，有时造成公共卫生风险。由于其波浪状的性质，声学是在管道中泄漏检测和定位的最多技术之一。在过去的几十年中，已经发布了许多文章，以解决基于声学的方法泄露泄漏定位问题。然而，缺乏对基于声学的泄漏定位技术的研究开发的审查。因此，本文利用生物毛管计量分析来系统地检查该领域的已发表的研究文章。分析显示，在过去十年中，基于声学的泄漏定位技术的调查变得流行。大多数现有的研究专注于或利用基于互相关的方法。此外，最常见的研究目标是开发用于去噪和提取泄漏信号的信号处理算法。其他努力包括改变传感器的数量，开发无线检测系统等。基于现有研究的局限性介绍了潜在的未来方向。本文对研究人员和工程师提供了对本领域的最先进的深入了解。此外，它还根据先前研究的发现和局限来识别前瞻性研究领域。

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