13 Chemical NonEquilibrium

School of aerospace engineering model for k in

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: or k in Bimolecular Reactions • Compare chemical reaction rate expression to earlier equation for inelastic bimolecular collision rate ABCD z process AB 1 n A nB g kT k e 2 kT in d a dC dt kAB N Av g kT Collision model for e in d 2 reaction rate constant kT • Recall above was integrated over all orientations kcoll a – can be important for chemical reactions k kcoll Psteric Chemical Nonequilibrium -10 Copyright © 2010 by Jerry M. Seitzman. All rights reserved. AE6050 5 School of Aerospace Engineering Arrhenius Rate Law Empirical Result • Compare to simple activation energy expression z process AB n A nB k ge a Arrhenius Rate ln(k) k kT Psteric N Av g e a RT Ae RT 1 RT • Examine temperature dependence k AT 1 2e a g RT 8k Boltz T More general T dependence k AT b e a temp. exponent pre-expon. factor RT Modified Arrhenius Rate “activation”...
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 Institute of Technology.

Ask a homework question - tutors are online