Re: "The Chernobyl disaster very probably a sabotage" ["no, just same procedure as last year"]
- From: rolf.martens@xxxxxxxxx (Rolf Martens)
- Date: Tue, 18 Sep 2007 04:30:32 GMT
In article <0MFHi.6148$A72.3702@trnddc08>, notmyname@xxxxxxxxxxxx says...
....
Bill Ward wrote:
On Mon, 17 Sep 2007 18:45:57 -0400, daestrom wrote:
"Rolf Martens" <rolf.martens@xxxxxxxxx> wrote in message<snip>
news:2UmHi.8954$ZA.4705@xxxxxxxxxxxxxxxxxx
What you're saying here is, that what took place at Chernobyl on
26.04.1986 was just "the same procedure as last year". "Such tests, with
disabling of several safety systems, was the rule in the Soviet Union at
that time."
No, very clearly it was not "just the same procedure" - which would have
been a pretty risky thing too, even considering the well-known sloppy
procedures in that social-imperialist state at the time.
Thanks, daestrom, for another incredibly interesting and informative post.
When do you think was the last point of safe return? It seems like once
the rods were pulled outside the design limits, there was no way out.
Was there any way to shut down the reactor other than suddenly reinserting
the control rods? Could a slower insertion rate (before the final power
transient) have recovered from the situation?
The point of no return was probably when they tripped the second turbine
for the test (the unit had two turbine generators). At that point the
steam pressure started rising and the water flow started decreasing
(because half of the water pumps operated off of the turbine that just
tripped). The displacement of water in the reactor by steam caused a
rapid rise in reactivity due to the positive void coefficient (steam
absorbs fewer neutrons than liquid water). The power increased from 200
Mw to 530 Mw in less than three seconds. The operator responded by
scramming the reactor, but that just initiated a greater excursion for
the reasons explained by daestrom.
I on my part am pretty certain that the point of no return was not
one reached on account of any technical matter but on account of a
political one, on account of some crooks' - and I've indicated as
main suspects approximately the same as the French-language very
well-informed blogger I quoted did too: The Gorbachov group and/or
some of its US imperialist friends - deciding: "Let's pull it!".
See that "UNITE! Info #258en" of mine about the political context,
and also the French-language blog "le petrole abiotique", article
of 11.09.2007.
Rolf M.
www.rolf-martens.com
.
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