THERMODYNAMIC PROPERTIES OF PARTIALLY IONIZED HYDROGEN PLASMA

Maratbek Gabdullin (), Tlekkabul Ramazanov (), Tomiris Ismagambetova () and Ainur Karimova ()
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Maratbek Gabdullin: NNLOT, al-Farabi Kazakh National University, Almaty
Tlekkabul Ramazanov: Doctor of Physical and Mathematical Sciences, ITEP, al-Farabi Kazakh National University, Almaty,
Tomiris Ismagambetova: ITEP, al-Farabi Kazakh National University, Almaty
Ainur Karimova: al-Farabi Kazakh National University, Almaty

CBU International Conference Proceedings, 2016, vol. 4, issue 0, 826-831

Abstract: This paper considers dense partially ionized hydrogen plasma. The model of interaction between particles was used to study properties of plasma. Interaction potentials were obtained through the dielectric response function method. Effective potentials, taking into account the screening effects at large distances and the quantum-mechanical diffraction effect at small distances, were used to model the interaction between particles. Another effective screening potential was chosen to describe the charge interaction with neutral atoms. This potential takes into account the interaction between free charge and atomic nucleus with centrally symmetric distribution of the electron density. The degree of ionization was calculated through solving the system of Saha equations. Pair correlation functions were studied in the exponential approximation. Thermodynamic properties for hydrogen plasma were calculated using the effective potentials and obtained on their base pair correlation functions. Internal energy and equation of state of partially ionized hydrogen plasma were compared with the results from previous research. The results indicated that the difference observed with high values of parameters was due to increase in the concentration of atoms.

Keywords: plasmapotential; structural; thermodynamic (search for similar items in EconPapers)
Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:aad:iseicj:v:4:y:2016:i:0:p:826-831

DOI: 10.12955/cbup.v4.860

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