Leak Detection : Technology and Implementation.

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Ageing infrastructure and declining water resources are major concerns with a growing global population. Controlling water loss has therefore become a priority for water utilities around the world. In order to improve efficiencies, water utilities need to apply good practices in leak detection. Leak...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Hamilton, Stuart
Otros Autores: Charalambous, Bambos
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Ashland : IWA Publishing, 2020.
Edición:2nd ed.
Temas:
Water leakage > Management.
Leak detectors.
Water-supply engineering.
Détecteurs de fuites.
Eau > Approvisionnement > Technique.
Leak detectors
Water leakage > Management
Water-supply engineering
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Cover
  • Copyright
  • Contents
  • About the Author
  • Chapter 1: Introduction
  • Chapter 2: The technology matrices
  • 2.1 Main Pipelines Only
  • High Pressure
  • 2.2 Main Pipelines Only
  • Low Pressure
  • 2.3 Domestic and Mains Fittings
  • High Pressure
  • 2.4 Domestic & Mains Fittings
  • Low Pressure
  • Chapter 3: Acoustic principles
  • 3.1 History of Acoustics
  • 3.2 Propagation
  • 3.3 Resonance
  • 3.4 Attenuation
  • 3.5 Acoustic Impedance
  • Chapter 4: Leak detection technologies
  • 4.1 Method A: Gas Injection Method
  • 4.2 Method B: Manual Listening Stick
  • 4.3 Methods C and D: Leak Location Using Acoustic Noise Correlation Theory
  • 4.4 Method C: Non-intrusive Correlation with Accelerometer Sensors
  • 4.5 Method D: Correlation Using Hydrophones
  • 4.6 Technologies for Leak Noise Correlation
  • 4.6.1 Correlating loggers with remote communications via radio or cellular networks
  • 4.6.2 Correlating loggers for on-site leak location
  • manual download
  • 4.6.3 Radio-based correlator (for on-site leak location)
  • 4.6.4 Potential sources of error in correlation leak location
  • Chapter 5: Method E: In-line leak detection techniques
  • 5.1 Tethered Systems
  • 5.2 Free Swimming Systems
  • Chapter 6: Method F: Noise loggers
  • non-correlating
  • 6.1 Direct Download
  • 6.2 Drive by Patrol
  • 6.2.1 Fixed
  • 6.2.2 Survey
  • 6.3 Lift and Shift
  • 6.4 Permanent Installation
  • 6.5 Noise Logger Principal of Use
  • Chapter 7: Method G: Electronic amplified listening devices
  • 7.1 Operational Practice
  • 7.2 Survey by Listening at Fittings
  • Electronic Listening "Stick" Accessory
  • 7.3 Survey/Pinpointing by Surface Sounding "Elephants Foot"
  • Hard Ground
  • 7.4 Operational Efficiency
  • Survey vs. Confirmation
  • 7.5 Advanced Features
  • 7.5.1 Filters
  • 7.5.2 Memory comparison
  • 7.6 Amplification
  • 7.7 Remote Communication
  • 7.8 Advantages and Disadvantages
  • 7.9 Conclusions
  • Chapter 8: Method H: Acoustic correlation using accelerometers on large diameter pipe or non-metallic pipes
  • 8.1 Theory of Operation
  • 8.2 The Technology
  • Chapter 9: Method I: Acoustic correlation using hydrophones on large diameter pipes and on non-metallic pipes
  • 9.1 Permanent Correlation Monitoring Using Hydrophone Sensors
  • Chapter 10: Other techniques
  • 10.1 Thermal Imaging
  • 10.1.1 Low level surveys
  • 10.1.2 Higher level surveys
  • 10.2 Pipeline Inspection with Thermal Diagnostics
  • 10.3 Inspection of Pipelines Using Infra-red or Thermal Imaging Cameras
  • 10.4 Drones for Leak Detection Activities
  • 10.5 Dogs Used for Leak Location
  • 10.5.1 A dog's nose
  • 10.5.2 How does a dog complete leak detection?
  • 10.5.3 Dogs vs conventional methods
  • 10.6 Ground Penetrating Radar
  • Chapter 11: Optimization tools for leak location
  • Hydraulic model
  • 11.1 Optimization Principle
  • 11.2 System Evaluation
  • 11.2.1 Field data process
  • 11.2.2 Optimization analysis
  • 11.2.3 Post-optimization analysis
  • Chapter 12: Step testing

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