-----Original Message-----
From: Jones Beene
Turns out the abstract is online:
http://adsabs.harvard.edu/abs/1978nasa.reptV....L
<><><><><><>
It's also been tested in an engine dear to you:
"Keystone structures were observed for all mixtures. Mixtures with
argon dilution showed much more regular structure than mixtures diluted
with nitrogen. Shock and detonation polar analysis was used in the
vicinity of the triple point to determine that the keystones are
bounded by the reaction zones behind the incident wave and Mach stem
and by the shear layer. A particularly clear example of a keystone in a
hydrogen-oxygen-argon mixture at high dilution is shown. The
combination of very regular detonation structure and persistent
experimentation resulted in obtaining this image."
http://www.galcit.caltech.edu/EDL/projects/pde/pde.html
Terry
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