Design description and performance analyses of the European HCPB test blanket system in ITER feat

Boccaccini, Lorenzo Virgilio; Bekris, N.; Chen, Y; Fischer, U.; Gordeev, S.; Hermsmeyer, S.; Hutter, E.; Kleefeldt, K.; Malang, S.; Schleisiek, K.; Schmuck, I.; Schnauder, H.; Tsige‐Tamirat, H.

doi:10.1016/s0920-3796(02)00168-0

Cited by 16 publications

(6 citation statements)

References 2 publications

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“…For the HCPB-TBM [7] a lay-out similar to the HCLL has been assumed, except for BZ. In fact, the typical breeder unit has been modelled as composed of toroidal-radial slabs of beryllium or lithium orthosilicate (Li 4 SiO 4 -90% Li 6 enriched) alternated along the poloidal direction and separated by CPs.…”

Section: The Modelsmentioning

confidence: 99%

On the effects of the supporting frame on the radiation-induced damage of HCLL-TBM structural material

Chiovaro

Maio

Oliveri

et al. 2007

Journal of Nuclear Materials

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Section: The Modelsmentioning

confidence: 99%

On the effects of the supporting frame on the radiation-induced damage of HCLL-TBM structural material

Chiovaro

Maio

Oliveri

et al. 2007

Journal of Nuclear Materials

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“…The Helium Cooled Pebble Bed (HCPB) [5] and the Water Cooled Lithium Lead (WCLL) [6] concepts are the two candidate driver blanket concepts for the European DEMO [7]. 2 The HCPB line has been led by the Karlsruhe Institute of Technology (formerly known as KfK and FZK) in Germany since 1980s [8][9][10][11][12][13][14][15][16]. The HCPB blanket concept uses pressurized helium gas (at 8 MPa) as coolant, lithium ceramic as tritium breeder and beryllium-containing material as neutron multiplier material (NMM), the reduced-activation ferritic martensitic steel Eurofer97 as structural material and tungsten as armor on the first wall (FW).…”

Section: Introductionmentioning

confidence: 99%

The European DEMO HCPB Breeding Blanket: Design Status at the Conclusion of Pre-Concept Design Phase

Zhou¹,

Hernández²,

Pereslavtsev³

et al. 2023

Preprint

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Significant design efforts were undertaken during the Pre-Concept Design (PCD) phase of the European DEMO programme to optimize the Helium Cooled Pebble Bed (HCPB) breeding blanket. A gate review was conducted for the entire European DEMO programme at the conclusion of the PCD phase. This article presents a summary of the design evolution and the rationale behind the HCPB breeding blanket concept for the European DEMO. The main performance metrics, including nuclear, thermal hydraulics, thermal mechanical, and tritium permeation behaviors, are reported. These figures demonstrate that the HCPB breeding blanket is a highly effective tritium-breeding and robust driver blanket concept for the European DEMO. In addition, three alternative concepts of interest were explored. Furthermore, this article outlines the upcoming design and R&D activities for the HCPB breeding blanket during the Concept Design phase (2021-2027).

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“…), high temperature (up to 1193 K), and magnetic field (up to 7-10 T) [8,9]. Under such conditions radiation defects (RD) and radiolysis products (RP) are induced in the tritium breeder by energetic neutrons, tritium ions, and helium ions as well as other processes.…”

Section: Introductionmentioning

confidence: 99%

Luminescence of X-ray induced radiation defects in modified lithium orthosilicate pebbles with additions of titanium dioxide

Cipa¹,

Ķizāne²,

Supe³

et al. 2017

energetika

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Modified lithium orthosilicate (Li 4 SiO 4 ) pebbles with additions of titanium dioxide (TiO 2 ) are designed as a possible tritium breeder ceramic for the helium cooled pebble bed (HCPB) test blanket module. Additions of TiO 2 were chosen to enhance mechanical properties of the tritium breeder pebbles. The formation of radiation defects (RD) in the modified Li 4 SiO 4 pebbles with a different content of TiO 2 was studied by X-ray induced luminescence (XRL) technique. After XRL measurements the accumulated RD were also analyzed by thermally stimulated luminescence (TSL) and electron spin resonance (ESR) spectrometry. XRL spectra consist of several bands with maxima at around 430, 490, 690, 700 and 800 nm. The XRL band with a peak at 490 nm could be associated with intrinsic defects in Li 4 SiO 4 matrix whereas all the other maxima at lower photon energies are the result of the addition of TiO 2 .

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Design description and performance analyses of the European HCPB test blanket system in ITER feat

Cited by 16 publications

References 2 publications

On the effects of the supporting frame on the radiation-induced damage of HCLL-TBM structural material

On the effects of the supporting frame on the radiation-induced damage of HCLL-TBM structural material

The European DEMO HCPB Breeding Blanket: Design Status at the Conclusion of Pre-Concept Design Phase

Luminescence of X-ray induced radiation defects in modified lithium orthosilicate pebbles with additions of titanium dioxide

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