Measurements of the speed of sound for mixtures of methane + butane with a particular focus on the critical state

Frederic Plantier, Ali Danesh, Mehran Sohrabi Sedeh, Jean L. Daridon, Fatosh Gozalpour, Adrian C. Todd

Research output: Contribution to journalArticle

Abstract

The speed of sound in binary mixtures of methane + butane has been measured in the subcritical, nearcritical, and supercritical regions as a function of pressure at 711 K. The measurements were based on an acoustic pulse technique using a high-pressure vessel equipped with two 1-MHz transducers to generate and receive the ultrasonic wave. The results showed that the speed of sound decreased with decreasing pressure for mixtures in the subcritical region, whereas it passed through a minimum in the supercritical region. © 2005 American Chemical Society.

Original languageEnglish
Pages (from-to)673-676
Number of pages4
JournalJournal of Chemical and Engineering Data
Volume50
Issue number2
DOIs
Publication statusPublished - Mar 2005

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butanes
methane
acoustics
pressure vessels
ultrasonic radiation
binary mixtures
transducers
pulses

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Plantier, Frederic ; Danesh, Ali ; Sohrabi Sedeh, Mehran ; Daridon, Jean L. ; Gozalpour, Fatosh ; Todd, Adrian C. / Measurements of the speed of sound for mixtures of methane + butane with a particular focus on the critical state. In: Journal of Chemical and Engineering Data. 2005 ; Vol. 50, No. 2. pp. 673-676.
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Measurements of the speed of sound for mixtures of methane + butane with a particular focus on the critical state. / Plantier, Frederic; Danesh, Ali; Sohrabi Sedeh, Mehran; Daridon, Jean L.; Gozalpour, Fatosh; Todd, Adrian C.

In: Journal of Chemical and Engineering Data, Vol. 50, No. 2, 03.2005, p. 673-676.

Research output: Contribution to journalArticle

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