Calculation of gas-flow in plasma reactor for carbon partial oxidation

Evgeny Bespala, Vyacheslav Myshkin, Ivan Novoselov, Alexander Pavliuk, Semen Makarevich, Yuliya Bespala

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The paper discusses isotopic effects at carbon oxidation in low temperature non-equilibrium plasma at constant magnetic field. There is described routine of experiment and defined optimal parameters ensuring maximum enrichment factor at given electrophysical, gas-dynamic, and thermodymanical parameters. It has been demonstrated that at high-frequency generator capacity of 4 kW, supply frequency of 27 MHz and field density of 44 mT the concentration of paramagnetic heavy nuclei 13C in gaseous phase increases up to 1.78 % compared to 1.11 % for natural concentration. Authors explain isotopic effect decrease during plasmachemical separation induced by mixing gas flows enriched in different isotopes at the lack of product quench. With the help of modeling the motion of gas flows inside the plasma-chemical reactor based on numerical calculation of Navier-Stokes equation authors determine zones of gas mixing and cooling speed. To increase isotopic effects and proportion of 13C in gaseous phase it has been proposed to use quench in the form of Laval nozzle of refractory steel. The article represents results on calculation of optimal Laval Nozzle parameters for plasma-chemical reactor of chosen geometry of. There are also given dependences of quench time of products on pressure at the diffuser output and on critical section diameter. Authors determine the location of quench inside the plasma-chemical reactor in the paper.

Original languageEnglish
Title of host publicationIV International Conference for Young Scientists, Post-Graduate Students and Students - Isotopes
Subtitle of host publicationTechnologies, Materials and Application, ITMA 2017
EditorsLiudmyla Rieznichenko, Li Hongda, Anna Godymchuk
PublisherAmerican Institute of Physics Inc.
Volume1938
ISBN (Electronic)9780735416307
DOIs
Publication statusPublished - 14 Mar 2018
Event4th International Conference for Young Scientists, Post-Graduate Students and Students - Isotopes: Technologies, Materials and Application, ITMA 2017 - Tomsk, Russian Federation
Duration: 30 Oct 20173 Nov 2017

Conference

Conference4th International Conference for Young Scientists, Post-Graduate Students and Students - Isotopes: Technologies, Materials and Application, ITMA 2017
CountryRussian Federation
CityTomsk
Period30.10.173.11.17

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Bespala, E., Myshkin, V., Novoselov, I., Pavliuk, A., Makarevich, S., & Bespala, Y. (2018). Calculation of gas-flow in plasma reactor for carbon partial oxidation. In L. Rieznichenko, L. Hongda, & A. Godymchuk (Eds.), IV International Conference for Young Scientists, Post-Graduate Students and Students - Isotopes: Technologies, Materials and Application, ITMA 2017 (Vol. 1938). [020004] American Institute of Physics Inc.. https://doi.org/10.1063/1.5027211