13 Chemical NonEquilibrium

Seitzman all rights reserved school of aerospace

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: eaction Mechanism • Example - “simple” NO mechanism (5 species) – add up rate due to each reaction in mechanism source of initial O or N Self-replicating event. Every time I make what I want, a nother reaction gives me them back. like a catylist O2 N2 1 M M N O2 O N2 OOM 2 3 4 N N M dO O NO N NOM NO 5 Note: rx 3 + rx 4 = N2+O2 2NO Zeldovich dt Mechanism NO M can often neglect, “slow” d NO dt k3 f N O2 k3b O NO k 4 f O N 2 k 4b N NO k5 f N O M k5b NO M 2k1 f O2 M Only need the 3 last reactions to find NO rates 2 2k1b O M Rxn 1,3,4,5 makes O k3 f N O2 k3b O NO k 4 f O N 2 k 4b N NO k5 f N O M k5b NO M How many of these rate expressions are independent? . . for each species in . mechanism Chemical Nonequilibrium -8 Copyright © 2010 by Jerry M. Seitzman. All rights reserved. We can write 5 rate equations for each species. 3 are indep. if we assume...
View Full Document

This note was uploaded on 02/27/2014 for the course AE 6050 taught by Professor Staff during the Summer '08 term at Georgia Tech.

Ask a homework question - tutors are online