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High Pressure Boiling Water Reactor: HP-BWR
KTH, School of Engineering Sciences (SCI), Physics, Nuclear Power Safety.
2010 (English)In: ATW. Internationale Zeitschrift für Kernenergie, ISSN 1431-5254, Vol. 55, no 2, 107-+ p.Article in journal (Refereed) Published
Abstract [en]

Some 400 Boiling Water Reactors (BWR) and Pressurized Water Reactors (PWR) have been in operation for several decades. The presented concept, the High Pressure Boiling Water Reactor (HP-BWR) makes use of the operating experiences. HP-BWR combines the advantages and leaves out the disadvantages of the traditional BWRs and PWRs by taking in consideration the experiences gained during their operation. The best parts of the two traditional reactor types are used and the troublesome components are left out. HP-BWR major benefits are;

1. Safety is improved; -Gravity operated control rods -Large space for the cross formed control rods between fuel boxes -Bottom of the reactor vessel is smooth and is without penetrations -All the pipe connections to the reactor vessel are well above the top of the reactor core -Core spray is not needed -Internal circulation pumps are used

2. Environment friendly; -Improved thermal efficiency, feeding the turbine with similar to 340 degrees C (15 MPa) steam instead of similar to 285 degrees C (7MPa) -Less warm water release to the recipient and less uranium consumption per produced kWh and consequently less waste is produced

3. Cost effective, simple; -Direct cycle, no need for complicated steam generators -Moisture separators and steam dryers are inside the reactor vessel and additional separators and dryers can be installed inside or outside the containment Well proved simple dry containment or wet containment can be used.

Place, publisher, year, edition, pages
2010. Vol. 55, no 2, 107-+ p.
National Category
Subatomic Physics
URN: urn:nbn:se:kth:diva-101043ISI: 000293770800007ScopusID: 2-s2.0-77950267996OAI: diva2:546788

QC 20120824

Available from: 2012-08-24 Created: 2012-08-22 Last updated: 2012-08-24Bibliographically approved

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