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Rostocki A.J.♦, Malanowski A.♦, Tarakowski R.♦, Szlachta K.♦, Kiełczyński P., Szalewski M., Balcerzak A., Ptasznik S.♦, The sound velocity measurement in diacylglycerol oil under high pressure,
HIGH PRESSURE RESEARCH, ISSN: 0895-7959, DOI: 10.1080/08957959.2013.769975, Vol.33, No.1, pp.172-177, 2013 Abstract:
In this article, the influence of high pressure on sound velocity at 293 K has been presented. The investigated diacylglycerol oil (DAG – [D82T18]AG) was composed of 82% DAGs and 18% triacylglycerols. The variation of sound velocity with hydrostatic pressure for DAG was evaluated up to 400 MPa. The phase transformation in DAG has been observed as a discontinuity of the dependence of sound velocity on pressure. The sound velocity during the phase transition has shown distinct increment. Also the volume changes have been measured. It has shown the rapid drop of the volume at the phase transformation pressure due to the possible crystallization of DAG oil. Keywords:
high pressure, velocity, DAG Affiliations:
| Rostocki A.J. | - | Warsaw University of Technology (PL) | | Malanowski A. | - | other affiliation | | Tarakowski R. | - | other affiliation | | Szlachta K. | - | other affiliation | | Kiełczyński P. | - | IPPT PAN | | Szalewski M. | - | IPPT PAN | | Balcerzak A. | - | IPPT PAN | | Ptasznik S. | - | Air Force Institute of Technology (PL) |
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