Characterization of Fiber Bragg Grating as optical temperature sensor for pipeline water leakage inspection

Ghazali, S. N. M.; Yahya, Nor Akmar Mohd; Sulaiman, Shamsuddin

doi:10.1109/icsengt.2013.6650165

2013 IEEE 3rd International Conference on System Engineering and Technology 2013

DOI: 10.1109/icsengt.2013.6650165

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Characterization of Fiber Bragg Grating as optical temperature sensor for pipeline water leakage inspection

S. N. M. Ghazali¹,

Nor Akmar Mohd Yahya²,

Shamsuddin Sulaiman³

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Cited by 3 publications

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Pipeline leakage monitoring experiments based on evaporation‐enhanced FBG temperature sensing technology

Sun

Shi

Zhang

et al. 2021

Struct Control Health Monit

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Summary The water distribution systems in utility tunnel are considered as the lifeline projects. The leakage monitoring of water supply and drainage pipelines is closely related to the overall operation and safety of the utility tunnel. However, conventional pipeline leakage monitoring methods are difficult to realize the monitoring of ordinary temperature liquid and small leakage. Moreover, they also have problems with noise interference, high false alarm rate, and high cost. In order to overcome the shortcomings of the conventional methods, the evaporation‐enhanced Fiber Bragg Grating (FBG) temperature sensing (EETS‐FBG) method was proposed as a new type of leakage monitoring solution according to the principle of the psychrometer. This method utilizes the evaporative cooling characteristics of water‐absorbing porous materials and the FBG temperature sensors to realize leakage monitoring. On the basis of experiments, the feasibility of this method is explored, and the effects of wind speed, liquid temperature, and leakage volume on monitoring results are analyzed. The experimental results show that the EETS‐FBG method can monitor the temperature difference of 0.97–8.55°C in the humidity of 51.0–90.8%RH, and the measured values are in good agreement with the theoretical values, which shows that the method has good feasibility. In addition, the measured temperature difference increases with the ambient wind speed, while the leakage volume and water temperature have no obvious effect on the temperature difference, which shows that the method has good reliability and universal applicability. This method has outstanding advantages for normal temperature liquid and small leakage monitoring and is worthy of application and promotion.

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Pipeline leakage monitoring experiments based on evaporation‐enhanced FBG temperature sensing technology

Sun

Shi

Zhang

et al. 2021

Struct Control Health Monit

View full text Add to dashboard Cite

show abstract

Application of a Packaged Fiber Bragg Grating Sensor to Outdoor Optical Fiber Cabinets for Environmental Monitoring

et al. 2015

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R-DTS With Heat Transfer Functional Model for Perceiving the Surrounding Temperature

Zhang

et al. 2020

IEEE Sensors J.

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Characterization of Fiber Bragg Grating as optical temperature sensor for pipeline water leakage inspection

Cited by 3 publications

References 8 publications

Pipeline leakage monitoring experiments based on evaporation‐enhanced FBG temperature sensing technology

Pipeline leakage monitoring experiments based on evaporation‐enhanced FBG temperature sensing technology

Application of a Packaged Fiber Bragg Grating Sensor to Outdoor Optical Fiber Cabinets for Environmental Monitoring

R-DTS With Heat Transfer Functional Model for Perceiving the Surrounding Temperature

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