NDLI: The influence of frequency on the efficiency of dissociation of freons by microwave discharges

Content Provider	IEEE Xplore Digital Library
Author	Bzenic, S. A. Manola, S. S. Petrovic, Z. Lj
Copyright Year	1995
Description	Author affiliation: Institute of Physics, University of Belgrade, P O Box 57, 11001 Belgrade Yugoalavia (Bzenic, S A; Manola, S S) \|\| Institute of Physics, University of Belgrade, P O Box 57, 11001 Belgrade Yugoalavia; MTT INFIZ, Pregrevica 118, 11080 Zemun Yugoslavia (Petrovic, Z Lj)
Abstract	We have performed calculations of the efficiency of dissociation by the microwave induced discharges at low pressures. Monte Carlo simulation of electron transport under the influence of high frequency electric field and collisions with gas molecules was used to determine the dissociation efficiency in microwave discharges in freons which have been proposed as a technique for reducing the depletion of the ozone layer by freons initiated chemical reactions with ozone in the upper atmosphere. It was found that the modulation of the mean energy and the electron energy distribution function becomes smaller at very high frequencies (1 GHz) leading to significant reduction of the dissociation rate. Above 3 GHz electrons cannot follow the field changes and gain energy efficiently. Thus operation at higher electric field values or E/N is required to achieve significant dissociation in the GHz frequency range.
Starting Page	856
Ending Page	858
File Size	3684060
Page Count	3
File Format	PDF
DOI	10.1109/EUMA.1995.337084
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-09-04
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency Microwave technology Electrons Microwave devices Atmosphere Microwave theory and techniques Atmospheric modeling Plasma devices Testing Performance evaluation
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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