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Acoustic cavity method for sonic speed measurements in liquids and stock tank oils

Authors
Journal
Fluid Phase Equilibria
0378-3812
Publisher
Elsevier
Publication Date
Volume
79
Identifiers
DOI: 10.1016/0378-3812(92)85132-r
Keywords
  • Sonic Speed
  • Acoustic Resonator
  • Phase Boundary
  • Wax
  • Appearance
  • Dropout
  • Oil
Disciplines
  • Musicology
  • Physics

Abstract

Abstract A miniature automated spherical acoustic resonator (50 mm dia) assembly has been developed to measure sonic speeds in liquids and stock tank oils (petroleum). The resonator is being used to determine sonic speeds and equilibrium phase boundaries. Comparison of experimental sonic speeds in liquid n-heptane with earlier measurements by different methods (J.W. Boelhower (1967) and M.J.P. Muringer, et al., (1985)) show good agreement. Results on the sonic speed and the location of wax drop out in two stock tank oils (filtered and unfiltered) are also presented.

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