Organisation: GKSS Forschungszentrum
Installation:
FRG2
Type:
MTR - pool reactor, 5 MW, HEU, compact, Øth= 1.3·1014
n/cm²s
Address:
GKSS, Postfach 1160,
21495 Geesthacht, Germany
Home
page
http://www.gkss.de/
Contact:
Dr. Wolfgang Knop
Phone
/ fax:
+49 41 52 87-1234
fax: -1338
e-mail:
knop@gkss.de
CNS:
one, operating since 1988
moderator:
H2
temperature:
25 - 35 K
volume:
0.8 L
phase:
super-critical
pressure
1.3 - 1.7 MPa
power:
1355 W
material:
chamber:
AlMg3
vacuum thimble:
AlMg3
heat
removal: forced
(cold circulator), can work with natural convection
refrigerator
AL,
1 turbine, 1 screw compressor
160 kW(el.)
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remarks:
reactor does not need to shut down in case of CNS failure (room
temperature cooling loop).
In
2007: Installation of a new moderator chamber (hemispherical instead of
lenticular).
60 % increase of CN output is expected, new cooling power demand should be 1625
W.
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recent publications:
"New Moderator Chamber of the FRG-1 Cold Neutron Source
for the Increase of Cold Neutron Flux" by
P. Schreiner, W. Knop at IGORR2007 (Lyon 2007)
Same authors at ECNS4 in Lund (SE) 2007