UNSPECIFIED (2003) Ultrasonic propagation in various gases at elevated pressures. MEASUREMENT SCIENCE & TECHNOLOGY, 14 (6). pp. 822-830. ISSN 0957-0233

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Abstract

Ultrasonic propagation has been studied in air, helium (He) and carbon dioxide (CO2) at pressures of up to 2 bar. The experiments were carried out using an inexpensive pressure chamber, manufactured from commercially available components. Accurate measurements of ultrasonic attenuation were performed, taking into account the diffraction effects of the transducers. It is also shown that ultrasonic transmission through solid materials, such as cardboard, can be enhanced at high pressures, using capacitive transducers whose performance is enhanced under such conditions.

Item Type:	Journal Article
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Journal or Publication Title:	MEASUREMENT SCIENCE & TECHNOLOGY
Publisher:	IOP PUBLISHING LTD
ISSN:	0957-0233
Date:	June 2003
Volume:	14
Number:	6
Number of Pages:	9
Page Range:	pp. 822-830
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/9635

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