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Issue No.17 Summer
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ENS News |
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ENS Events |
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Member Societies & Corporate Members |
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The Assisi Symposium on Nuclear Conversion and Development NUCLEONICA: A nuclear science portal Unusual Concepts of Nuclear Power Reactors Tractebel Engineering at the ICAPP congress Periodic Safety Review NPP Borssele reduced TCDF by a factor of 4 The Bulgarian Nuclear Society reports on Kozloduy NPP |
YGN Report |
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First Announcement of IYNC 2008 Excursion of Czech Young Generation to the manufacturing facilities of ŠKODA JS A glimpse of the future as young
European nuclear professionals focus on nuclear agenda |
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ENS World News |
ENS Members |
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Societies Links to ENS Corporate Members Editorial staff ______________________ |
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| Pime
2008 10 - 14 February 2008 in Prague |
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| A. |
A heat source (nulcear core) placed in a
vertical pipe in a water pool will cause an upward flow
in the pipe. |
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B. |
If the heated water is returned to the lower end of the
pipe there is no net flow from and to the pool. |
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C. |
The heat generated can be extracted for a useful purpose.
Mixing between hot circulated and cold pool water is prevented
by stable stratification in tube bundles (density locks) |
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D. |
By placing the pool in a closed vessel and pressuring with a steam bubble above the circulation system the latter can be operated at high pressure and temperature. |
Figure. 2 The operating principles of the SECURE primary system.
Advances in Nuclear Science and Technology 1987
Figure 3. Heated Reactor Secure-H and Prestessed
Concrete Vessel. Main Features of
Nuclear Island.
400 MWth, 2 MPa, exit temperature 190 0C
The ATLE test rig
The Secure Heating Reactor
Figure 5. The ATLE test rig.
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National Heat Conference |
Fig 6. Schematic of the PLUS Reactor.
Same as Nuclear Safety article, Fig. 1, LA-UR-94-3467.
PIUS
Oak Ridge National Laboratory, September 1991
www.ornl.gov/info/reports/1991/3445603211254.pdf
September 1991
www.analys.se/lankar/bkgr/bkgr1-99.pdf
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