Lambda value/ AFR correlation

[Gregory R. Travis]

On Tue, 13 May 1997, Tom Cloud wrote:

> >  This leads to another question. Is the stoich AFR something that varies
> >according to location? An archived post refered to 14.57:1 being an
> >Australian
> 
> stoichiometric is a chemical term meaning that there's
> exactly enough of each component to complete the reaction.
> Since the 14.x:1 is about mass, it's got to be fixed, right ??

The exact ratio will vary by the type of fuel, its oxygen content, the
temperature, etc.

A better term is "Equivalence Ratio" where an ER of 1 indicates
stoichiometric and is independent of environmental variables.

greg

greg		greg at indiana.edu	http://gtravis.ucs.indiana.edu/