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https://hdl.handle.net/20.500.11851/7349
Title: | Radiation Damage Studies on the First Wall of a Hylife-Ii Type Fusion Breeder | Authors: | Şahin, Sümer Übeyli, Mustafa |
Keywords: | radiation damage low activation material fissile fuel breeding |
Publisher: | Pergamon-Elsevier Science Ltd | Abstract: | The radiation damage on the first wall [made of (1) a ferritic steel (9Cr-2WVTa), (2) a vanadium alloy (V-4Cr-4Ti) and (3) SiCf/SiC composite] of an inertial fusion energy (IFE) reactor of HYLIFE-II type is investigated. A protective liquid wall with variable thickness, containing Flibe + heavy metal salt (UF4 or ThF4) is used for first wall protection. The content of heavy metal salt is chosen as 4 and 12 mol%. Neutron transport calculations are performed with the aid of the SCALE4.3 System by solving the Boltzmann transport equation with the XSDRNPM code in 238 energy groups and S8-P3 approximation. A flowing wall with a thickness of similar to 60 cm can extend the lifetime of the solid first wall structure to a plant lifetime of 30 years for 9Cr-2WVTa and V-4Cr-4Ti, whereas the SiCf/SiC composite as first wall needs a flowing wall with a thickness of similar to 85 cm to maintain the radiation damage limit. Substantial extra revenue can be gained through the insertion of a heavy metal salt constituent into Flibe, which allows breeding fissile fuel for external reactors and increasing energy multiplication (U-233 with a value of up to 1,000,000,000 $/year or Pu-239 for few 100,000,000 $/year). (c) 2005 Elsevier Ltd. All rights reserved. | URI: | https://doi.org/10.1016/j.enconman.2005.03.007 https://hdl.handle.net/20.500.11851/7349 |
ISSN: | 0196-8904 1879-2227 |
Appears in Collections: | Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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