Experimental Study on the Corrosion of Buried Directly Heating Supply Pipeline Based on the BOTDA (R) Technique

Sensors & Transducers

LU Xingjun¹  ZHAO Xue-Feng¹  LI Xiang-Li¹ 

[1] School of Civil Engineering, Dalian University of Technology, No.2 Linggong Road Gaoxin Distric, Dalian, 116024, China;

关键词: Prefabricated derictly heating supply pipe;    Brillouin optical time domain analysis;    Brillouin optical fiber sensing technology;    Online detection;    Sensor;    Corrosion.;   

DOI  :  

来源: DOAJ

【 摘 要 】

A novel Brillouin Optical Time Domain Analysis sensors, BOTDA(R), has been developed, which can monitor steel corrosion in concrete structures and various insulation structures. The application of distributed BOTDA(R) technology in heating supply pipe corrosion detection is discussed in this paper. According to the characteristics of derictly buried heating supply pipe, we have designed the optical fiber corrosion sensors for the prefabricated pipe, and the sensors were arranged in the junction of pipe section. Accelerated corrosion tests were used to demo the acid soil environment. Quantitative evaluation was derived formula for steel pipe corrosion.

【 授权许可】

Unknown