Thermophysical Properties of 1,1,1,3,3,3-hexafluoro-2-methoxypropane (HFE-356mmz) in the Vapor Phase Measured by Using an Acoustic-Microwave Resonance Technique
Open accessAbstract
Thermophysical properties of HFE-356mmz in the vapor phase were measured by means of an acoustic-microwave resonance method. HFE-356mmz, which is 1,1,1,3,3,3-hexafluoro-2-methoxypropane in chemical name, is expected to be used as a working fluid with low global warming potential for the Organic Rankine cycle (ORC). The sound velocity and dielectric permittivity were simultaneously measured by using a cylindrical acoustic-microwave resonator. The sound velocity data were analyzed to obtain the ideal-gas heat capacity at constant pressure. The integral of the ideal-gas heat capacity as a function of temperature derives the ideal-gas enthalpy, which is a fundamental and important energy property to simulate the thermodynamic cycle. Similarly, the analysis of the dielectric permittivity data leads to information on the ideal-gas molar polarizability, dipole moment, and density. The acquired thermophysical properties of HFE-356mmz were compared to those of R-245fa and n-pentane, which are the existing working fluids for the ORC system, to prospect a feasibility of HFE-356mmz as their alternative.
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References 14 · Cited by 5
- Authors
- Kano, Y.
- Affiliations
- National Institute of Advanced Industrial Science and Technology (JP)
- Corresponding author
- Kano, Yuya
- ORCID
- Kano, Yuya
- Venue
- Energies
- Publisher
- MDPI AG
- Published
- 2020-10-21
- Volume
- 13
- Issue
- 20
- Pages
- 5525
- ISSN
- 1996-1073 (ISSN-L)
- OpenAlex
- W3094277107
- Cited by
- 5
- References
- 14
- Citations by year
- 2023: 4 · 2021: 1
- FWCI
- 0.39
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Energies (publishedVersion, cc-by)
- RePEc: Research Papers in Economics (submittedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- Japan Society for the Promotion of Science (JP17H04908)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Phase Equilibria and Thermodynamics
- Physical Sciences › Chemical Engineering › Fluid Flow and Transfer Processes › Thermodynamic properties of mixtures
- Physical Sciences › Engineering › Mechanical Engineering › Refrigeration and Air Conditioning Technologies
- Keywords
- thermophysical properties, gas phase, sound velocity, dielectric constant, ideal gas heat capacity, molar polarizability, dipole moment, working fluid, organic Rankine cycle, low global warming potential, R245fa, n-pentane
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