Work

Study on Underground Sewage Pipeline Temperature Based on OFDR Technology and Numerical Simulation Methods

Year: 2026

Type: article

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.

Source: Sensors

DOI: 10.3390/s26041316

Authors: Lei Gao, Xinyu Wu, Zhuodi Zheng, Mengran Guo

Institution: Hohai University

Language: English

Topic: Advanced Fiber Optic Sensors

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

SDGs: Clean water and sanitation, Industry, innovation and infrastructure

Open Access status: gold

Estimated APC paid: $3,137