Please use this identifier to cite or link to this item: 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
Issue Date: 2005
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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