Ultrasonic in-situ determination of the regression rate of the melting interface in burning metal rods

Veidt, Martin and Steinberg, Theodore A. (1999) Ultrasonic in-situ determination of the regression rate of the melting interface in burning metal rods. Journal of the Acoustical Society of America, 105 3: 1638-1642. doi:10.1121/1.426741

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Author Veidt, Martin
Steinberg, Theodore A.
Title Ultrasonic in-situ determination of the regression rate of the melting interface in burning metal rods
Journal name Journal of the Acoustical Society of America   Check publisher's open access policy
ISSN 0001-4966
1520-8524
Publication date 1999-03
Year available 2009
Sub-type Article (original research)
DOI 10.1121/1.426741
Open Access Status File (Publisher version)
Volume 105
Issue 3
Start page 1638
End page 1642
Total pages 5
Place of publication Melville, NY, United States
Publisher A I P Publishing LLC
Collection year 1999
Language eng
Subject C1
299904 Engineering/Technology Instrumentation
780102 Physical sciences
Abstract Results of tests in which metallic rods are burned in oxygen enriched atmospheres often include the determination of the regression rate of the melting interface for the burning test specimen. This regression rate is used as an indication of a metallic material's relative flammability and its general ability to sustain burning under the test conditions. This paper reports on the development and first application of an ultrasonic measurement system that enables in situ measurement of the regression rate of the melting interface in burning metal rods. All other methods currently used for determining this parameter are based on posttest, visual interrogation, which is costly and often inaccurate. The transducer and associated equipment used to drive and record the transducer's output signal are described and typical results for iron rods burning in pure oxygen at different gauge pressures are given along with a comparison of these results with regression gates obtained from visual interrogation. The excellent sensitivity, accuracy and reliability of the new ultrasonic transducer are demonstrated, thus indicating the transducer's great potential. (C) 1999 Acoustical Society of America. [S0001-4966(99)00702-X].
Keyword Acoustics
Oxygen
Q-Index Code C1
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Mechanical & Mining Engineering Publications
 
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Created: Tue, 10 Jun 2008, 13:48:24 EST