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Increasing the concentration of singlet delta oxygen in discharge products by adding NO2 to oxygen

  • Plasma Investigations
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High Temperature Aims and scope

Abstract

The possibility is considered of increasing the concentration of singlet oxygen (SO), which is obtained in a discharge, by way of adding nitrogen dioxide to the starting gas. The presence of NO2 in the mixture must cause the removal of atomic oxygen formed in the discharge and, accordingly, a decrease in the loss of SO. The simulation of the kinetics of the products of dc discharge in a flow of oxygen is used for determining the values of expected increase in the concentration of SO, as well of the concentration of NO2, which are required for attaining the maximal effect. It is demonstrated that, at oxygen pressures of ∼6 torr and higher, the addition of NO2 may produce a double and higher increase in the concentration of SO in regions of post-discharge flow with transport times of ∼5–10 ms.

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Authors and Affiliations

  1. Samara Branch of Lebedev Physical Institute, Russian Academy of Sciences, Samara, Russia

    A. A. Shepelenko & E. V. Fomin

Authors
  1. A. A. Shepelenko
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  2. E. V. Fomin
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Original Russian Text © A.A. Shepelenko, E.V. Fomin, 2008, published in Teplofizika Vysokikh Temperatur, vol. 46, No. 6, 2008, pp. 831–835.

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Shepelenko, A.A., Fomin, E.V. Increasing the concentration of singlet delta oxygen in discharge products by adding NO2 to oxygen. High Temp 46, 763–767 (2008). https://doi.org/10.1134/S0018151X08060059

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  • DOI: https://doi.org/10.1134/S0018151X08060059

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