Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/30000
Title: Magnetostrictive/piezoelectric drum magnetoelectric transducer for H 2 detection
Authors: Jia, Y
Xue, A
Zhou, Z
Wu, Z
Chen, J
Ma, K
Zhang, Y
Zhou, J
Wang, Y 
Chan, HLW 
Keywords: Drum transducer
H2 detection
Magnetoelectric
Piezoelectric
Issue Date: 2013
Publisher: Pergamon Press
Source: International journal of hydrogen energy, 2013, v. 38, no. 34, p. 14915-14919 How to cite?
Journal: International journal of hydrogen energy 
Abstract: A magnetostrictive/piezoelectric drum magnetoelectric transducer has been fabricated for H2 detection. Due to the difference in the acoustic wave velocity for H2 (1284 m/s) and air (331 m/s), the resonance frequency of the magnetoelectric coupling effect will shift when H2 gas enters the drum cavity filled with air. A good linear relationship between the resonance frequency shift (Δf) and the volume fraction of H 2 (n%) is observed. The resolution on the H2 volume fraction of our magnetoelectric drum detector was experimentally observed as ∼0.25%. The detection coefficient (Δf/n) for H2 volume fraction of our ME drum transducer is approximately equal to ∼0.48 kHz. The magnetoelectric drum is hopeful for H2 physical detection.
URI: http://hdl.handle.net/10397/30000
ISSN: 0360-3199
EISSN: 1879-3487
DOI: 10.1016/j.ijhydene.2013.09.035
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