13 Chemical NonEquilibrium

01e12 05 153396 n e n e e 25e33 00 334213 nono

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Unformatted text preview: N = O+ + N2 3.41e13 1.08 25434. O + O = O2+ + E 1.1E13 0.0 160152. NO+ + N = N2+ + O 7.23E13 0.0 70539. N + N = N2+ + E 2.0E13 0.0 134123. N2+ + N = N2 + N+ 7.83E10 0.5 0. NO/20/ O/20/ N/20/ Modified version of Dunn mechanism, used only for illustrative purposes Chemical Nonequilibrium -12 Copyright © 2010 by Jerry M. Seitzman. All rights reserved. AE6050 6 School of Aerospace Engineering Example Result • 5% air/95% Ar at 0.1 atm suddenly heated to 6000K O in Equilibrium N2 1.E-02 Make O from O2 then make NO Mole Fraction O N2 and O2 will begin making NO at any significant level Amount of N2 doest cahnge much, N2 bonds a re much stronger than O2. electrons in equilibrium O2 NO N 1.E-04 e 1.E-06 + N2 + N + O + NO + O2 1.E-08 1.E-05 1.E-04 1.E-03 1.E-02 1.E-01 Time (s) Chemical Nonequilibrium -13 Copyright © 2010 by Jerry M. Seitzman. All rights reserved. AE6050 NO trends: Intermediate process. A way to start a ttacking N2. NO can fall apart and makes Os and N's. A system can take many interesting weird paths Takes forever to reach equilibrium 7...
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