Assessment of detection limits of fiber-optic distributed temperature sensing for detection of illicit connections Jaap Nienhuis and Cornelis de Haan Royal HaskoningDHV Jeroen Langeveld and Francois Clemens TU Delft Martijn Klootwijk Municipality of Breda City of Breda
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Assessment of detection limits of fiber-optic distributed temperature sensing for detection of illicit connections
Jaap Nienhuis and Cornelis de Haan Royal HaskoningDHV Jeroen Langeveld and Francois Clemens TU Delft Martijn Klootwijk Municipality of Breda
City of Breda
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Introduction
Separate sewer systems => Main issue: illicit connections
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Introduction
Separate sewer systems => Main issue: illicit connections
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Introduction
Separate sewer systems ⇒Main issue: illicit connections DTS powerful tool for detection How powerful?
• Spill conditions – temperature and volume • House connection – length, geometry, soil
temperature
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Detection limits: site specific parameters
• Spill conditions – temperature and volume • House connection – length, geometry, soil temperature • Sewer conditions – water level, flow, temperature