COEFFICIENT OF THERMAL ACCOMMODATION OF O2 MOLECULES ON PYREX IN DC DISCHARGE IN OXYGEN

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Abstract

The radial distribution of the gas temperature in a DC glow discharge in pure oxygen in a pyrex tube was measured under various discharge modes in the pressure range 1–5 torr. The analysis of the obtained results allowed us to determine the coefficient of thermal accommodation of oxygen molecules on pyrex: 0.26 ± 0.02. The coefficient of thermal accommodation determines the spatial distribution of temperature in a plasma chemical reactor, the kinetics of reactions involving heavy particles in the discharge and the rate of plasma processing of materials.

About the authors

I. I. Ziganshin

Lomonosov Moscow State University, D.V. Skobeltsyn Scientific Research Institute of Nuclear Physics; Lomonosov Moscow State University

Email: ilyaziganshin@gmail.com
Moscow, Russia

D. V. Kiselevich

Lomonosov Moscow State University

Moscow, Russia

D. V. Lopaev

Lomonosov Moscow State University, D.V. Skobeltsyn Scientific Research Institute of Nuclear Physics

Moscow, Russia

K. R. Galliulin

Lomonosov Moscow State University, D.V. Skobeltsyn Scientific Research Institute of Nuclear Physics; Lomonosov Moscow State University

Moscow, Russia

A. T. Rakhimov

Lomonosov Moscow State University, D.V. Skobeltsyn Scientific Research Institute of Nuclear Physics; Lomonosov Moscow State University

Moscow, Russia

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