water leak noise Articles

  • Locating Leaks for Cooling Water Systems

    This article illustrates how to locate leaks on cooling water systems in loud, industrial environments like Nuclear or Coal power generating plants without digging or putting anything inside the pipeline.  Infrared-Energy Pattern Analysis (IR-EPA) works on all pipeline sizes and all pipeline materials because it identifies the water outside the pipeline instead of listening for leak noises ...


    By EnTech Engineering Company

  • Tackling Non-Revenue Water by Identifying Small Leaks

    Small leaks sink big ships – the same can be said for large-diameter pipes in utility networks. While large leaks or ruptures are seen as newsworthy stories accompanied by images of water flowing down the streets; smaller leaks can often be more devastating. Left undetected, they can add up over time, contributing significantly to ...

  • Case study - Birmingham water works board identifies 26 leaks using advanced inline leak detection

    Service: SmartBall Leak Detection Client: Birmingham Water Works Board Project Date: January 2012 - ongoing Location: Birmingham, Ala Type of Pipeline: Water Transmission Main Diameter: 42-inch (1050mm) Pipe Material: Reinforced Concrete Pipe In early 2012, the Birmingham Water Works Board (BWWB) ran a successful leak detection program on 7.7 miles (12 km) of 42-inch ...

  • Integrated sensing technologies for detection and location of leaks in water distribution networks

    Water distribution networks (WDNs) are infrastructure systems that have high socioeconomic values, for which efficient operation and management are required to ensure minimal amounts of waste which can be represented in the form of leaks. Leak detection is considered as one of the challenges faced by municipalities operating WDNs because it either involves shutting down the system or requires ...


    By IWA Publishing

  • Mancomunidad de la Comarca de Pamplona (MCP) Identifies 4 Leaks Using Inline Leak Detection

    Around the world, leaking water pipelines represent a major resource and financial loss for utilities. It is estimated that in some places, Non-Revenue Water exceeds 50 percent. In terms of financial losses, the World Bank estimates that NRW costs utilities worldwide about US$14 billion annually. By reducing these losses by half in areas with the highest NRW, it is estimated that US$2.9 billion ...

  • Amistad Dam: Identifying Critical Leaks in the Amistad Dam - Case Study

    Why was the Amistad dam emptying—and what could be done to solve the problem? In 1996, the Comision Federal de Electricidad (CFE), the national electric company of Mexico responsible for the Mexican half of the Amistad Dam, contacted AGI. The CFE heard about the capabilities of our instruments to look into the ground, and they were ...


    By Advanced Geosciences, Inc.

  • Aquascope 3 can be used by inexperienced operators to find leaks - Case study

    In 2006 the Calgary Water Authority in Canada engaged a British consultancy firm called “Hydrosave” to assist them reduce their leakage from 12% of all water supplied and ILI ratings of 4 – 8 between the different DMAs. The temperature in Calgary gets down to -40 degrees Celcius in the winter and the water board’s staff are fully occupied in winter, however in summer ...


    By Gutermann AG

  • Germany/Albstadt: How telemetry cuts the cost of leak detection significantly - Case study

    Introduction Albstadt is a town located in southwest Germany, about 80km south of Stuttgart. Albstadtwerke are the utility network distribution provider in this region supplying potable water, natural gas and electricity.  In addition to managing and maintaining the local distribution assets in Albstadt, Albstadtwerke operate and maintain two more potable water distribution networks, ...


    By Gutermann AG

  • Is your Plant as tight as you think? Leak Detector for extremely toxic Gases, a Field Test Report

    Leak detection of commodity gases in chemical plants is a day-to-day practice. The sensor technology available for this application is field proven and reliable. No question about it, existing sensors will do the job. However, in plants manufacturing or handling extremely toxic substances, the picture is different. For example, take phosgene. The existing sensor technology for leak detection ...

  • Monitoring Phenol in Water

    The Situation A plant located in the eastern United States manufactures phenolic resin for applications in plastics molding. This plant uses well water for cooling its reaction process and then discharges the water into a local creek. A leak in the reactor and associated cooling equipment would cause phenol and phenolic compounds to contaminate the cooling water. Such a leak could ...

  • Signs You Need a New Water Pump

    Motor vehicles are built upon small parts doing big jobs. Consider your engine. It is likely the most important machine within your car, truck, or SUV, but it is not made up of one or two components, but thousands. Some engines have over 14,000 different parts to keep them operational. If just one of these parts, such as the water pump, fails, then the entire engine could grind to a halt. ...


    By IndustrialZone

  • Leakage–pressure relationship and leakage detection in intermittent water distribution systems

    Field investigations were conducted to identify the relationship between leakage rate and pressure in selected areas of the water distribution system of the Holy City of Makkah, Saudi Arabia. Noise correlators were used to detect leaks in areas where the water leakage exceeded 20% of the total water supplied. The leakage rate was found to be related to pressure raised to the nth power. The value ...


    By IWA Publishing

  • Metropolitana milanese reduces water loss on critical steel pipeline

    Assessing the condition of buried water infrastructure can yield a variety of outcomes that are difficult to predict. Sometimes, they even seem random. The common belief that the age of a pipe determines its condition is rarely correct – in many cases, a newer main can be in worse condition than one twice or three times as old. Instead, operational, environmental and installation factors ...

  • Active leakage control in low pressures - It can be done!

    Leakage and PressureWater when leaving the pipe creates an ‘energy’ and it is this energy that is transferred through the water and the pipe wall by the means of acoustic sound. This acoustic sound depending on the material of the pipe work either dissipates over a long distance or is absorbed very quickly into the pipe wall. The effect being that for metallic or hard walled pipes the sound ...


  • Amistad Dam site

    Summary:At the Amistad Dam site an investigation was made with a 56 electrode STING/Swift system to determine the location of leaks which have effectively drained the giant dam of water. As it was not immediately obvious which array type would return the best data three different arrays were recorded on the same electrode layout. The resulting three 2D profiles show both similarities and ...


    By Advanced Geosciences, Inc.

  • Increasing efficiency with permanent leakage monitoring - Case study

    Abstract In this paper information from Water Authorities in the USA, Europe, Middle East and Australia that have purchased permanent monitoring leak detection equipment is reviewed and the findings are presented in a structured format that covers the following: Justification for permanent monitoring Evaluating the different product offerings Selecting the ...


    By Gutermann AG

  • Case study - Grand Forks wastewater authority - North Dakota, U.S.A.

    Service: SmartBall - Leak & Gas Pocket Detection Client: Grand Forks Wastewater Authority Project Date: 2008 Type of Pipeline: Force Main Diameter: 30- and 36-inch Pipe Material: PCCP and PVC Length: 46,464 Feet Pressure: Results: 6 Gas Pockets In late October 2008, the Grand Forks Wastewater Authority ...

  • Successful trunk main correlations in Australia, the land of long pipes - Case study

    The Aquasscan TM Successfully locates leaks at distances over 1KM in Sydney. The Gutermann Aquascan (Trunk Main) correlator provided a series of high performance correlations in trials performed in Sydney, Australia.  Sydney Water provided a 1.2 KM of 600mm OD Steel trunk main for a series of tests to be performed to evaluate the performance.  The testing was administered by ...


    By Gutermann AG

  • Pump Maintenance Know-How

    It’s no secret that a pump that runs at peak efficiency uses less fuel, experiences less downtime and costs less to operate. The time you spend maintaining your pump is actually an investment in its lifetime performance and value. In fact, there are many ways that a diligently maintained pump can reduce your costs, while increasing efficiency. For instance, by ensuring your pump investment ...


    By Gorman-Rupp Co.

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