Development of hydrogen monitor; Applicability investigation of acoustic technique

Hirabayashi, Masaru; Ara, Kuniaki ; Hino, Ryutaro

Since existing hydrogen monitors cannot be used with the sampling method in severe accident conditions, a new type hydrogen monitor by using acoustic technique is under development. The measurement principle that the sound velocity is changed according to the hydrogen concentration in a mixed gas is utilized for the new type monitor. In the basic performance tests, it was confirmed that the hydrogen concentration could be measured in a high accuracy. Also, influence of environment conditions was evaluated.

Language	:	English
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Meeting title	:	2nd International Conference on Maintenance Science and Technology (ICMST-Kobe 2014)
Held date	:	2014/11
Location (city)	:	Kobe
Location (country)	:	Japan
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Keywords	:	Severe accident; Hydrogen concentration; Monitor; Acoustic technique
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Cooperating Institute	:	経済産業省資源エネルギー庁

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Registration No. : BB20142031
JAEA Abstracts No. :
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