Instant Gas Concentration Measurement Using Ultrasound from Exterior of a Pipe

Mahjabin Taskin, Yoshimine Kato

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Concentration of a gas flowing inside a pipe was measured by using ultrasound from the exterior of a pipe without extracting the gas from the pipe. The concentration of the gas can be measured based on speed variation of the ultrasound traveling inside the pipe. Drilling a hole in the pipe to extract the gases is not necessary for the gas concentration measurement. In this paper, the concentration of hydrogen gas in the air was measured accurately while the air was flowing inside the pipe. Various airflow speeds were examined, and it was estimated that it is possible to measure the gas concentration for more than about 60 m/s of the airflow rate. The response time for measuring gas concentration was less than 0.1 s.

Original languageEnglish
Article number8635548
Pages (from-to)4017-4024
Number of pages8
JournalIEEE Sensors Journal
Volume19
Issue number11
DOIs
Publication statusPublished - Jun 1 2019

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Ultrasonics
Pipe
Gases
gases
air
Air
drilling
Drilling
Hydrogen
hydrogen

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Electrical and Electronic Engineering

Cite this

Instant Gas Concentration Measurement Using Ultrasound from Exterior of a Pipe. / Taskin, Mahjabin; Kato, Yoshimine.

In: IEEE Sensors Journal, Vol. 19, No. 11, 8635548, 01.06.2019, p. 4017-4024.

Research output: Contribution to journalArticle

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