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Review of Thermophysical Property Data of Octadecane for Phase-Change Studies

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Chair of Engineering Thermodynamics and Transport Processes (LTTT), Center of Energy Technology (ZET), University of Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany
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Chair of Empirical Economics, University of Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany
*
Author to whom correspondence should be addressed.
Materials 2019, 12(18), 2974; https://doi.org/10.3390/ma12182974
Received: 19 August 2019 / Revised: 6 September 2019 / Accepted: 10 September 2019 / Published: 14 September 2019
(This article belongs to the Special Issue Phase Change Materials for Thermal Energy Storage)
In this work we derive temperature-dependent functions for the most important material properties needed for phase change studies with octadecane. Over 80 references are reviewed in which at least one thermophysical property of octadecane is measured. The functions are valid ±40 K around the melting temperature and are surrounded by their confidence interval. It turns out that the values for the solid phase have much broader confidence intervals than the ones of the liquid phase. Hence, more accurate measurements are particularly desirable for the solid state material properties. View Full-Text
Keywords: PCM; melting point; latent heat of fusion; density; thermal conductivity; heat capacity; viscosity PCM; melting point; latent heat of fusion; density; thermal conductivity; heat capacity; viscosity
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Faden, M.; Höhlein, S.; Wanner, J.; König-Haagen, A.; Brüggemann, D. Review of Thermophysical Property Data of Octadecane for Phase-Change Studies. Materials 2019, 12, 2974.

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