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Research Papers

Overview on Fusion Nuclear Technology Experimental Testing

[+] Author and Article Information
Slavomir Entler

Institute of Plasma Physics of the CAS,
Za Slovankou 3, 182 00 Praha 8, Czech Republic
e-mail: entler@ipp.cas.cz

Jan Kysela

Research Centre Rez,
Husinec-Rez 130, 250 68, Husinec-Rez, Czech Republic
e-mail: jan.kysela@cvrez.cz

1Corresponding author.

Manuscript received October 9, 2014; final manuscript received October 22, 2015; published online February 29, 2016. Assoc. Editor: Yanping Huang.

ASME J of Nuclear Rad Sci 2(2), 021018 (Feb 29, 2016) (7 pages) Paper No: NERS-14-1046; doi: 10.1115/1.4031942 History: Received October 09, 2014; Accepted October 25, 2015

Research Centre Rez in the Czech Republic has carried out a number of research and development activities on the nuclear technology of the fusion reactor International Thermonuclear Experimental Reactor (ITER). These contributions have led to the development of numerous experimental facilities. The initial experimental research related to ITER was focused on the technology of the LiPb eutectic alloy, and a production unit and technological channel were constructed. At a later time, material tests were performed in the neutron field of the LVR-15 research nuclear reactor. Interactions of EUROFER 97 and the LiPb eutectic alloy were examined in in-pile and out-pile tests, and the technology of the LiPb was developed. First wall mock-ups were in-pile and out-pile tested under high heat flux (HHF) cycle loads. At present, a full-size mock-up of the ITER Test Blanket System (TBS) and an HHF testing complex are constructed. This paper provides an overview of the research activities and experimental facilities.

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Figures

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Fig. 1

Production unit of LiPb built in 1989

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Fig. 2

Experimental LiPb channel built in 1990

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Fig. 3

CHOUCA reactor rig for the irradiation of EUROFER 97 specimens

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Fig. 4

EUROFER 97 reference temperature T0 shifts after the neutron irradiation

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Fig. 5

LiPb in-pile reactor rig for the EUROFER 97 corrosion testing in LiPb under radiation

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Fig. 6

Top corrosion layer and the bottom subsurface martensitic layer of the specimen surface created under LiPb interaction and neutron irradiation

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Fig. 8

Specimen in as-delivered condition and after testing

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Fig. 9

Cold trap scheme and cross section

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Fig. 10

Deposited aerosols on walls of the cold trap and details of precipitated corrosion products

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Fig. 11

Experimental device BESTH

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Fig. 12

Vacuum vessel and installed mock-ups

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Fig. 13

Mock-up before and after testing

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Fig. 14

Ultrasonic image of Be/CuCrZr joint

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Fig. 15

TW3 reactor rig with graphite heater

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Fig. 16

TW3 reactor rig with the two first wall mock-ups

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Fig. 17

Positioning of the TW3 rig to the nuclear reactor LVR-15

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Fig. 18

TW3 rig after removal from the LVR-15 reactor (located in a hot cell)

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Fig. 19

First wall mock-up detail. No damage of the mock-ups was observed

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Fig. 20

First wall mock-up after cutting

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