Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 138, Issue 17, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4803138
Keywords
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Funding
- (U.S.) Department of Energy (DOE) [DE-NA0000970]
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Time-resolved, Raman spectroscopy measurements were used to determine temperatures in multiply shocked liquid benzene to peak pressures of similar to 19 GPa. The previously reported equation of state (EOS) for benzene provides temperatures that are lower than the experimental measurements. To achieve improved temperature calculations, key thermodynamic parameters in the existing EOS were varied to examine and understand the sensitivity of temperatures to those parameters. Using the sensitivity studies, the benzene EOS parameters were refined to provide a good agreement between the calculated temperatures and the measured temperatures in multiply shocked benzene. Use of the improved EOS also leads to an increase in the decomposition temperature from 1315 K to 1485 K, for singly shocked liquid benzene. The present work underscores the importance of temperature measurements for developing accurate EOS for shocked liquids. (C) 2013 AIP Publishing LLC.
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