Fiber-optic gas detection sensors in underground mines

Abstract: The focus of his talk will be on the fibre-optic sensing research particularly on the new generation of gas sensors for underground coal mining applications. Gas sensing systems are becoming more important in many industries such as oil, gas and mining operations. Particularly in underground coal mines, accurate and reliable monitoring of toxic and combustible gases such as methane, nitrogen dioxide, carbon monoxide and hydrogen sulphide is essential. Available conventional electrochemical sensors for gas measurements in underground coalmines suffer from shortcomings such as cross-sensitivity response, limited lifetime, high calibration cost, maintenance cost and safety. Recent studies have found that fibre optic-based gas sensors have potential to eliminate these issues. These sensors can also be used for long distance and distributed sensing of various gases, both of which are important for underground gas monitoring. The present underground mining gas monitoring systems will be reviewed and the new generation of fibre optic-based sensing systems for use in underground coal mines will be introduced.

 Dr. Saiied Aminossadati
School of Mechanical & Mining Engineering | Oregon State

Dr Saiied Aminossadati (Amin) completed his BEng in 1989, MEng in 1994 and PhD in 1999 in the field of Mechanical Engineering. He is now a Teaching and Research Academic at the School of Mechanical and Mining Engineering, the University of Queensland, Australia. He has more than 28 years of academia and industry experiences. He has completed more than 15 internal and external research projects and published more than 130 high quality papers with more than 1800 citations. He has graduated more than 70 research students. He has coordinated and lectured 10 undergraduate and postgraduate courses and received 10 teaching excellence awards at the national and international levels. His research areas include Thermofluids, Mine Ventilation and Fibre-optic Sensing.

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