Hello Harry,
I sent a response to your message (it is appended). I get an ACCESS
DENIED message when sending to vortex-l, [EMAIL PROTECTED],
or [EMAIL PROTECTED] Could you post this for me? Thanks.
On Jun 8, 2008, at 10:39 AM, Harry Veeder wrote:
[snip]
> For safety reasons, the reactors were designed to have a negative
> power
> coefficient reactivity value. It was expected to be 0.12 mk/MW. In
> June
> 2003, it was measured at +0.28 mk/MW.
>
[snip]
> Yet, no amount of analysis, fiddling or technological repair has
> resolved
> the deviation from original design. Tests in 2007 achieved the
> exact same
> +0.28 mk/MW measurement.
The reactor uses a D2O-reflected core. It seems unlikely, but I have
to wonder if they ignored the frequency of neutron spallation:
n + D -> n + n + p
Horace Heffner
