ArticleSensors (Basel, Switzerland)2026
Study on Underground Sewage Pipeline Temperature Based on OFDR Technology and Numerical Simulation Methods.
Article in Sensors (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The underground sewage pipeline is one of the lifeline projects of the city. The pipeline temperature is one of the important influencing factors for the safe operation of the underground sewage pipeline. This study is based on the sewage pipeline project on Jianning Road in Nanjing; the sewage pipeline temperature monitoring experiment was conducted first. The optical frequency domain reflectometer (OFDR) technology was used to monitor the sewage pipeline temperature. The numerical simulation method was also incorporated to study the variations in sewage pipeline temperature. The optical fiber monitoring data for the underground sewage pipeline temperature were collected, and the spatiotemporal distribution of the underground sewage pipeline temperature was explored. The results show that the underground sewage pipeline temperature is continuously rising, and the rate of increase is slow. The maximum temperature change is 0.55 °C. The numerical simulation results are consistent with the trend of the measured results. The findings will provide a valuable reference for further research on sewage pipeline temperature.
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