Energy Studies, Volume 7, Number 2, November/December 1981 Page: Back Cover
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CLNihH FCR ENERGhY STUDE
The University of Texas at Austin
Engineering Science Building 143
Austin, Texas 78712NTSV LIBRARY
Hybrid fission-fusion reactors
are being studied today because
they hold promise as a cost-
effective approach to the first
commercial use of fusion power,
said Dr. Wiley Davidson, Nuclear
Division researcher. He is working
on the project with mechanical en-
gineering graduate student Ann
Patterson.
In the hybrid design a blanket
zone of molten salt would sur-
round the fusion plasma. If the
blanket also contained fertile ma-
terial, it could be used to breed nu-
clear fuel, the fusion plasma pro-
viding the necessary neutron
source (see diagram). In the breed-
ing process, however, undesirablefission products would build up
along with the nuclear fuel. The
fission products tend to absorb
neutrons and would hamper the
breeding process, Dr. Davidson
said.
Both the nuclear fuel and the
fission products would be ex-
tracted from the blanket by chemi-
cal processing. The focus of the
current study is on comparing the
various fission products, their
rates of accumulation, their capac-
ities to absorb neutrons, and the
overall efficiencies of different
methods of chemical processing.
The research is supported by a
grant from the Texas Atomic En-
ergy Research Foundation.Salt inlets* Helium inlet
Magnet coils
400mm X900 mm (6in.X3ft))
Shield
1 m (3.3 ft) thick -
Blanket region
(36 segments) (
First-wall
4.25 m (14 ft) diam
0Outlets at bottom G1 C
*O"~~' . o
not shown. -
4-m long section
" : in maintenance
position
In this artist's concept of a hybrid fission-fusion reactor, the fission blanket region is
contained between the first-wall and the shield layers. The innermost layer is the
plasma zone. The complete vessel, of which four modules are here displayed, is a
hybrid tandem-mirror reactor. (Source: Lawrence Livermore Lab)
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University of Texas at Austin. Center for Energy Studies. Energy Studies, Volume 7, Number 2, November/December 1981, periodical, November 1981; Austin, Texas. (https://texashistory.unt.edu/ark:/67531/metapth1032255/m1/4/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.