Observation of ultrasonic signal and measurement of H2 concentration from the exterior of a metal pipe

Mahjabin Taskin, Ginshiro Utsumi, Yoshimine Kato

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Concentration of H2 gas in a stainless steel (SUS) pipe is measured by using ultrasound from the exterior of a pipe without making a hole. Gas concentration is calculated by the variation of ultrasound speed detected. A sound absorbing material is put on the outer surface of the SUS pipe to reduce the ultrasonic signal noise circulating through the shell of the SUS pipe. Then it is possible to measure the gas concentration by observing the airborne signal passing through the SUS pipe. Propagation of ultrasound wave in SUS pipe is also simulated by the finite-difference-time-domain method that could explain the ultrasound propagation signals in the SUS pipe.

Original languageEnglish
Pages (from-to)23503-23512
Number of pages10
JournalInternational Journal of Hydrogen Energy
Volume44
Issue number41
DOIs
Publication statusPublished - Aug 30 2019

Fingerprint

ultrasonics
Ultrasonics
Pipe
Metals
metals
Gases
gases
Finite difference time domain method
Steel pipe
propagation
Acoustic noise
finite difference time domain method
Stainless steel
stainless steels
Acoustic waves
acoustics

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

Observation of ultrasonic signal and measurement of H2 concentration from the exterior of a metal pipe. / Taskin, Mahjabin; Utsumi, Ginshiro; Kato, Yoshimine.

In: International Journal of Hydrogen Energy, Vol. 44, No. 41, 30.08.2019, p. 23503-23512.

Research output: Contribution to journalArticle

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