Journal of Sensor Science and Technology (센서학회지)

The Korean Sensors Society (한국센서학회)
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Implementation of a Residual Quantity Monitoring System in a Liquefied Gas Storage Tank based on Wireless Sensor Network Technology

무선센서 네트워크 기술 기반 액화가스 저장탱크 내 잔량 모니터링 시스템 구현

  • Kim, Min-Kyu (Department of Automation System, Korea Polytechnics) ;
  • Han, Hae-Jin (Department of Smart Electronic, Korea Polytechnics) ;
  • Han, Jaehwan (Medical & Biological Engineering, Kyungpook National University)
  • 김민규 (한국폴리텍대학 자동화시스템과) ;
  • 한해진 (한국폴리텍대학 스마트전자과) ;
  • 한재환 (경북대학교 의공학과)
  • Received : 2018.07.18
  • Accepted : 2018.08.13
  • Published : 2018.09.30
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Abstract

This paper relates to a technology for monitoring a liquefied gas storage tank in the special gas field where demand is increasing owing to the continuous growth of related fields such as the semiconductor, display, and ICT convergence electronics industries. We have proposed a system for real - time monitoring using wireless sensor network technology, and implemented a system consisting of a sensor unit, transmitter module, and receiver module to be attached to a liquefied gas storage tank. The system was applied to LCO2 tanks among various liquefied gas storage tanks to verify the feasibility. The storage tanks employed in the experiments has capacities of 16,179 l and was 1,920 mm in inner diameter. Furthermore, the density was 1.03 g/l. The measured data were compared with reference data on the remaining gas level versus the $CO_2$ height of the surface, expressed using a conventional water meter, provided by an existing storage tank supplier. The experimental results show that the data is similar to the standard data provided by the tank supplier, and has a high accuracy and reliability within an error range of 0.03%.

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References

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