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  • 1990-1994  (7)
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  • 1
    Electronic Resource
    Electronic Resource
    Flash photolysis resonance fluorescence investigation of the gas-phase reactions of hydroxyl radicals with cyclic ethers (1990)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 94 (1990), S. 1881-1883 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100368a030
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Ethylene pyrolysis and oxidation: A kinetic modeling study (1990)
    New York, NY : Wiley-Blackwell
    International Journal of Chemical Kinetics 22 (1990), S. 641-664 
    Details
    ISSN: 0538-8066
    Keywords: Chemistry ; Physical Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Ethylene oxidation and pyrolysis was modeled using a comprehensive kinetic reaction mechanism. This mechanism is an updated version of one developed earlier. It includes the most recent findings concerning the kinetics of the reactions involved in the oxidation of ethylene. The proposed mechanism was tested against ethylene oxidation experimental data (molecular species concentration profiles) obtained in jet stirred reactors (1-10 atm, 880-1253 K), ignition delay times measured in shock tubes (0.2-12 atm, 1058-2200 K) and ethylene pyrolysis data in shock tube (2-6 atm, 1700-2200 K). The general prediction of concentration profiles of minor species formed during ethylene oxidation is improved in the present model by using more accurate kinetic data for several reactions (principally: HO2 + HO2 → H2O2 + O2, C2H4 + OH → C2H3 + H2O, C2H2 + OH → Products, C2H3 → C2H2 + H).
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/kin.550220608
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    A flash photolysis investigation of the gas phase uv absorption spectrum and self-reaction kinetics of the neopentylperoxy radical (1990)
    New York, NY : Wiley-Blackwell
    International Journal of Chemical Kinetics 22 (1990), S. 1177-1187 
    Details
    ISSN: 0538-8066
    Keywords: Chemistry ; Physical Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The ultraviolet absorption spectrum of the neopentylperoxy radical, (CH3)3CCH2O2 (or C5H11O2), and the kinetics of its self-reaction have been studied in the gas phase using a flash photolysis technique. The room temperature absorption cross-section at 250 nm was determined to be \documentclass{article}\pagestyle{empty}\begin{document}$$ \sigma _{{\rm C}_{\rm 5} {\rm H}_{11} {\rm O}_{\rm 2}} (250{\rm nm}) = (5.18 \pm 0.78) \times 10^{ - 18} {\rm cm}^{\rm 2} {\rm molecule}^{ - 1} $$\end{document} and was used to normalize the radical absorption spectrum between 210 and 300 nm. Detailed modeling of the self-reaction system was used to interpret the transient absorption kinetic decay curves over the temperature range 228-380 K, at total pressures between 25 and 100 torr. The results are discussed in relation to previous measurements of alkylperoxy radical spectra and kinetics.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/kin.550221107
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Ethylene pyrolysis and oxidation: A kinetic modeling study (1990)
    New York, NY : Wiley-Blackwell
    International Journal of Chemical Kinetics 22 (1990), S. 1303-1306 
    Details
    ISSN: 0538-8066
    Keywords: Chemistry ; Physical Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/kin.550221208
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Kinetics of ethane oxidation (1991)
    New York, NY : Wiley-Blackwell
    International Journal of Chemical Kinetics 23 (1991), S. 437-455 
    Details
    ISSN: 0538-8066
    Keywords: Chemistry ; Physical Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Ethane oxidation in jet-stirred reactor has recently been investigated at high temperature (800-1200 K) in the pressure range 1-10 atm and molecular species (H2, CO, CO2, CH4, C2H2, C2H4, C2H6) concentration profiles were obtained by probe sampling and GC analysis. Ethane oxidation was modeled using a comprehensive kinetic reaction mechanism including the most recent findings concerning the kinetics of the reactions involved in the oxidation of C1—C4 hydrocarbons. The proposed mechanism is able to reproduce experimental data obtained in our high-pressure jet stirred reactor and ignition delay times measured in shock tube in the pressure range 1-13 atm, for temperatures extending from 800 to 2000 K and equivalence ratios of 0.1 to 2. It is also able to reproduce atoms concentrations (H,O) measured in shock tube at ≈2 atm. The same detailed kinetic mechanism can also be used to model the oxidation of methane, ethylene, propyne, and allene in similar conditions.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/kin.550230509
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    A flash photolysis resonance fluorescence investigation of the reactions of Oxygen O(3P) atoms with aliphatic ethers and diethers in the gas phase (1990)
    New York, NY : Wiley-Blackwell
    International Journal of Chemical Kinetics 22 (1990), S. 711-717 
    Details
    ISSN: 0538-8066
    Keywords: Chemistry ; Physical Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Rate constants for the gas phase reCedex 2, Franceactions of O(3P) atoms with a series of symmetric aliphatic ethers have been determined using the flash photolysis resonance fluorescence technique over the temperature range 240-400 K. The Arrhenius parameters derived from these data are (in units of cm3 molecule -1 s-1): \documentclass{article}\pagestyle{empty}\begin{document}$$ \begin{array}{rcl} {\rm dimethyl ether,}k &=& (5.39 \pm 1.94) \times 10^{ - 12} {\rm exp[(} - {\rm 1320} \pm 120)/T]; \\ {\rm diethyl ether,}k &=& (1.42 \pm 0.18) \times 10^{ - 11} {\rm exp[(} - {\rm 1070} \pm 40)/T]; \\ {\rm di -}n{\rm - propyle ether,}k &=& (1.41 \pm 0.21) \times 10^{ - 11} {\rm exp[(} - {\rm 960} \pm 50)/T]; \\ {\rm di -}n{\rm - butyl ether,}k &=& (1.37 \pm 0.29) \times 10^{ - 11} {\rm exp[(} - {\rm 880} \pm 70)/T]; \\ {\rm di -}n{\rm - pentyl ether,}k &=& (1.26 \pm 0.84) \times 10^{ - 11} {\rm exp[(} - {\rm 780} \pm 200)/T]; \\ \end{array} $$\end{document}The error limits are two standard deviations derived from the least-squares fit. Rate constants for several other ethers were determined only at 298 K. The values obtained were (in units of 10-14 cm3 molecule-1 s-1): tetrahydrofuran (37.5 ± 1.1); 1,4-dioxane 1(6.81 ± 0.46); diethoxymethane (40.4 ± 1.8); ethyl -t-butyl ether (37.0 ± 1.3); and methyl-t-amylether (57.3 ± 2.3).
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/kin.550220707
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Kinetic modeling of propane oxidation and pyrolysis (1992)
    New York, NY : Wiley-Blackwell
    International Journal of Chemical Kinetics 24 (1992), S. 813-837 
    Details
    ISSN: 0538-8066
    Keywords: Chemistry ; Physical Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Propane oxidation in jet-stirred reactor was modeled using a comprehensive kinetic reaction mechanism including the most recent findings concerning the kinetics of the reactions involved in the oxidation of C1—C4 hydrocarbons. The present detailed mechanism is able to reproduce experimental species concentration profiles obtained in our high-pressure jet-stirred reactor (900 ≤ T/K ≤ 1200; 1 ≤ P/atm ≤ 10; 0.15 ≤ φ ≤ 4) and in a turbulent flow reactor at 1 atm; ignition delay times measured in shock tube (1200 ≤ T/K ≤ 1700; 2 ≤ P/atm ≤ 15; 0.125 ≤ φ ≤ 2); H-atoms concentrations measured in shock tube during the pyrolysis of propane and burning velocities of freely propagating premixed propane-air laminar flames. The computed results are discussed in terms of pressure and equivalence ratio (φ) effects on propane oxidation. The same detailed kinetic reaction mechanism can also be used to model the oxidation of methane, ethylene, ethane, and propene in similar conditions. © John Wiley & Sons, Inc.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/kin.550240906
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