Abstract
We revisit the extended thermodynamic (ET) theory of dense polyatomic gases developed in the paper (Arima et al. in Phys Rev Fluids 2:013401, 2017) from the viewpoint of the energy exchange between two subsystems: the subsystem with the kinetic and potential energies and the subsystem of the internal modes such as molecular rotation and vibration. We confirm that the system of balance equations derived from the viewpoint is completely the same as the previous one, but thereby we can obtain its complementary physical implications. We also point out a possible alternative procedure in the modeling method based on ET.
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Acknowledgements
The present paper is dedicated to Professor Tommaso Ruggeri, our teacher and friend, on the occasion of his 70th birthday. We have learned extended thermodynamics deeply by stimulating discussions with him. This work was partially supported by JSPS KAKENHI Grant No. JP15K21452 (T.A.).
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Arima, T., Sugiyama, M. Extended thermodynamics of dense polyatomic gases: modeling of molecular energy exchange. Ricerche mat 68, 91–101 (2019). https://doi.org/10.1007/s11587-018-0386-8
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DOI: https://doi.org/10.1007/s11587-018-0386-8