Evaluation of phenylnaphthalenes as heat transfer fluids for high temperature energy applications

J. McFarlane, H. Luo, M. Garland, W. V. Steele

Research output: Contribution to journalArticlepeer-review

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Abstract

The thermodynamic properties of 1- and 2-phenyl substituted polyaromatic hydrocarbons have been measured and estimated under conditions relevant to heat transport applications almost to the critical point. Densities, vapor pressures, and heat capacity measurements were used to derive critical temperature, pressure, and density for the phenylnaphthalenes. The thermal and radiolytic stability of 1-phenylnaphthalene was examined using thermogravimetric analysis, differential scanning calorimetery, and gamma irradiation. Low melting point, low vapor pressure, high critical temperature, and resistance to thermal decomposition may make phenylnaphthalenes suitable for heat transfer applications up to 800K, including power generation and separations processes.

Original languageEnglish
Pages (from-to)1908-1920
Number of pages13
JournalSeparation Science and Technology (Philadelphia)
Volume45
Issue number12
DOIs
StatePublished - 2010

Funding

This research was sponsored by the Laboratory Directed Research and Development Program of Oak Ridge National Laboratory (ORNL), managed by UT-Battelle, LLC for the U.S. Department of Energy under contract DE-AC05-00OR22725.

FundersFunder number
U.S. Department of EnergyDE-AC05-00OR22725
Oak Ridge National Laboratory
UT-Battelle

    Keywords

    • Concentrating solar power energy storage
    • High temperature heat transfer fluids
    • Substituted naphthalenes
    • Thermodynamic properties

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