[AR] Re: Erosive burning rule of thumb?
- From: "David W. Schultz" <david.schultz@xxxxxxxxxxxxx>
- To: arocket@xxxxxxxxxxxxx
- Date: Wed, 12 Apr 2017 17:24:56 -0500
On 04/12/2017 03:53 PM, William Claybaugh wrote:
Is there any experience-based rule for erosive burning in
cylinderical-type grains (Bates, Finocyl, etc.)?
Digging out "Rocket Propulsion Elements" I see that the metric there is
a ratio of port (core) area to nozzle area of 4 to 1.
It cites this:
https://ntrs.nasa.gov/search.jsp?R=19890059529
As providing a better analysis.
--
David W. Schultz
http://home.earthlink.net/~david.schultz
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