Investigation of the mechanism of chemical ionization accompanying high-temperature oxidation of methane in shock waves
The ionization of methane--oxygen mixture behind reflected shock waves was studied experimentally and its kinetic parameters were determined: the rate of ionization, electron concentration, and electron yield per consumed methane molecule. The results of a numerical kinetic calculation of the electr...
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| Veröffentlicht in: | Combust., Explos. Shock Waves (Engl. Transl.); (United States) Explos. Shock Waves (Engl. Transl.); (United States), 1982-01, Vol.18 (1), p.39-45 |
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| container_title | Combust., Explos. Shock Waves (Engl. Transl.); (United States) |
| container_volume | 18 |
| creator | Aravin, G. S. Vlasov, P. A. Karasevich, Yu. K. Makolkin, E. V. Neigauz, M. G. |
| description | The ionization of methane--oxygen mixture behind reflected shock waves was studied experimentally and its kinetic parameters were determined: the rate of ionization, electron concentration, and electron yield per consumed methane molecule. The results of a numerical kinetic calculation of the electron concentration profile as a function of time, as well as the electron yield, describe satisfactorily the experimental data obtained with the help of a uhf interferometer with high spatial resolution. It was established that the rate of chemical ionization of a methane--oxygen mixture exceeds by many orders of magnitude the rate of ionization of the trace sodium impurities. This makes it possible to study it in hydrocarbon systems in the presence of unavoidable alkali contaminants under experimental conditions. |
| doi_str_mv | 10.1007/BF00783929 |
| format | Article |
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G.</creatorcontrib><title>Investigation of the mechanism of chemical ionization accompanying high-temperature oxidation of methane in shock waves</title><title>Combust., Explos. Shock Waves (Engl. Transl.); (United States)</title><description>The ionization of methane--oxygen mixture behind reflected shock waves was studied experimentally and its kinetic parameters were determined: the rate of ionization, electron concentration, and electron yield per consumed methane molecule. The results of a numerical kinetic calculation of the electron concentration profile as a function of time, as well as the electron yield, describe satisfactorily the experimental data obtained with the help of a uhf interferometer with high spatial resolution. It was established that the rate of chemical ionization of a methane--oxygen mixture exceeds by many orders of magnitude the rate of ionization of the trace sodium impurities. 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S.</creatorcontrib><creatorcontrib>Vlasov, P. A.</creatorcontrib><creatorcontrib>Karasevich, Yu. K.</creatorcontrib><creatorcontrib>Makolkin, E. V.</creatorcontrib><creatorcontrib>Neigauz, M. G.</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Combust., Explos. Shock Waves (Engl. Transl.); (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Aravin, G. S.</au><au>Vlasov, P. A.</au><au>Karasevich, Yu. K.</au><au>Makolkin, E. V.</au><au>Neigauz, M. G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigation of the mechanism of chemical ionization accompanying high-temperature oxidation of methane in shock waves</atitle><jtitle>Combust., Explos. Shock Waves (Engl. Transl.); (United States)</jtitle><date>1982-01-01</date><risdate>1982</risdate><volume>18</volume><issue>1</issue><spage>39</spage><epage>45</epage><pages>39-45</pages><issn>0010-5082</issn><eissn>1573-8345</eissn><abstract>The ionization of methane--oxygen mixture behind reflected shock waves was studied experimentally and its kinetic parameters were determined: the rate of ionization, electron concentration, and electron yield per consumed methane molecule. The results of a numerical kinetic calculation of the electron concentration profile as a function of time, as well as the electron yield, describe satisfactorily the experimental data obtained with the help of a uhf interferometer with high spatial resolution. It was established that the rate of chemical ionization of a methane--oxygen mixture exceeds by many orders of magnitude the rate of ionization of the trace sodium impurities. This makes it possible to study it in hydrocarbon systems in the presence of unavoidable alkali contaminants under experimental conditions.</abstract><cop>United States</cop><doi>10.1007/BF00783929</doi><tpages>7</tpages></addata></record> |
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| identifier | ISSN: 0010-5082 |
| ispartof | Combust., Explos. Shock Waves (Engl. Transl.); (United States), 1982-01, Vol.18 (1), p.39-45 |
| issn | 0010-5082 1573-8345 |
| language | eng |
| recordid | cdi_crossref_primary_10_1007_BF00783929 |
| source | SpringerLink Journals - AutoHoldings |
| subjects | 090110 - Hydrocarbon Fuels- Properties- (1979-1989) 10 SYNTHETIC FUELS 400800 - Combustion, Pyrolysis, & High-Temperature Chemistry ALKALI METALS ALKANES CHARGED PARTICLES CHEMICAL REACTION KINETICS CHEMICAL REACTIONS CONCENTRATION RATIO ELECTRON LOSS ELECTRONIC STRUCTURE ELEMENTS HYDROCARBONS HYDROGEN COMPOUNDS HYDROXIDES IMPURITIES INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY INTERFEROMETERS IONIZATION IONS KINETICS MEASURING INSTRUMENTS METALS METHANE MOLECULAR IONS NONMETALS ORGANIC COMPOUNDS OXIDATION OXYGEN OXYGEN COMPOUNDS REACTION KINETICS RESOLUTION SHOCK WAVES SODIUM SPATIAL RESOLUTION TRACE AMOUNTS |
| title | Investigation of the mechanism of chemical ionization accompanying high-temperature oxidation of methane in shock waves |
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