UNSPECIFIED (1999) Gas-coupled ultrasonic capacitance transducers at high pressure. INSIGHT, 41 (2). pp. 80-86. ISSN 1354-2575

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Abstract

Capacitance transducers have been investigated for ultrasonic generation and detection in gases at elevated pressures; these could be employed as an inspection system to test gas pipelines non-destructively. It is shown that sensitivity and bandwidth are both affected by pressure. Tests in through-transmission indicate that improved coupling at high gas pressures leads to improved ultrasonic signals in plates of Perspex and aluminium.

Item Type:	Journal Article
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Journal or Publication Title:	INSIGHT
Publisher:	BRITISH INST NON-DESTRUCTIVE TESTING
ISSN:	1354-2575
Date:	February 1999
Volume:	41
Number:	2
Number of Pages:	7
Page Range:	pp. 80-86
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/14870

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