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Neutronic analysis ...
Neutronic analysis of JET external neutron monitor response
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- Snoj, Luka (author)
- Jozef Stefan Inst, Reactor Phys Div, Jamova Cesta 39, SI-1000 Ljubljana, Slovenia.
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- Bergsåker, Henric (author)
- KTH,Fusionsplasmafysik
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- Bykov, Igor (author)
- KTH,Fusionsplasmafysik
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- Elevant, Thomas (author)
- KTH,Fusionsplasmafysik
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- Frassinetti, Lorenzo (author)
- KTH,Fusionsplasmafysik
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- Garcia Carrasco, Alvaro, 1989- (author)
- KTH,Fusionsplasmafysik
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- Hellsten, Torbjörn (author)
- KTH,Fusionsplasmafysik
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- Ivanova, Darya (author)
- KTH,Fusionsplasmafysik
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- Jonsson, Thomas, 1974- (author)
- KTH,Fusionsplasmafysik
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- Menmuir, Sheena (author)
- KTH,Fusionsplasmafysik
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- Petersson, Per (author)
- KTH,Fusionsplasmafysik
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- Rachlew, Elisabeth, 1944- (author)
- KTH,Atom- och molekylfysik
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- Rubel, Marek (author)
- KTH,Fusionsplasmafysik
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- Ström, Petter (author)
- KTH,Fusionsplasmafysik
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- Tholerus, Simon, 1986- (author)
- KTH,Fusionsplasmafysik
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- Weckmann, Armin (author)
- KTH,Fusionsplasmafysik
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- Zychor, I. (author)
- Inst Plasma Phys & Laser Microfus, PL-01497 Warsaw, Poland.
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- Lengar, Igor (author)
- Jozef Stefan Inst, Reactor Phys Div, Jamova Cesta 39, SI-1000 Ljubljana, Slovenia.
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- Cufar, Aljaz (author)
- Jozef Stefan Inst, Reactor Phys Div, Jamova Cesta 39, SI-1000 Ljubljana, Slovenia.
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- Syme, Brian (author)
- Culham Sci Ctr, Culham Ctr Fus Energy, Abingdon OX14 3DB, Oxon, England.
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- Popovichev, Sergey (author)
- Culham Sci Ctr, Culham Ctr Fus Energy, Abingdon OX14 3DB, Oxon, England.
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- Batistoni, Paola (author)
- ENEA CR Frascati, Via E Fermi 45, I-00044 Rome, Italy.
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- Conroy, Sean (author)
- Uppsala universitet,Tillämpad kärnfysik
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Jozef Stefan Inst, Reactor Phys Div, Jamova Cesta 39, SI-1000 Ljubljana, Slovenia Fusionsplasmafysik (creator_code:org_t)
- ELSEVIER SCIENCE SA, 2016
- 2016
- English.
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In: Fusion engineering and design. - : ELSEVIER SCIENCE SA. - 0920-3796 .- 1873-7196. ; 109, s. 99-103
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Subject headings
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- The power output of fusion devices is measured in terms of the neutron yield which relates directly to the fusion yield. JET made a transition from Carbon wall to ITER-Like Wall (Beryllium/Tungsten/Carbon) during 2010-11. Absolutely calibrated measurement of the neutron yield by JET neutron monitors was ensured by direct measurements using a calibrated Cf-252 neutron source (NS) deployed by the in-vessel remote handling system (RHS) inside the JET vacuum vessel. Neutronic calculations were required in order to understand the neutron transport from the source in the vacuum vessel to the fission chamber detectors mounted outside the vessel on the transformer limbs of the tokamak. We developed a simplified computational model of JET and the JET RHS in Monte Carlo neutron transport code MCNP and analyzed the paths and structures through which neutrons reach the detectors and the effect of the JET RHS on the neutron monitor response. In addition we performed several sensitivity studies of the effect of substantial massive structures blocking the ports on the external neutron monitor response. As the simplified model provided a qualitative picture of the process only, some calculations were repeated using a more detailed full 3D model of the JET tokamak. (C) 2016 EURATOM. Published by Elsevier B.V. All rights reserved.
Subject headings
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Keyword
- JET
- MCNP
- Neutron yield
- Calibration
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Snoj, Luka
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Bergsåker, Henri ...
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Bykov, Igor
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Elevant, Thomas
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Frassinetti, Lor ...
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Garcia Carrasco, ...
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show more...
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Hellsten, Torbjö ...
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Ivanova, Darya
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Jonsson, Thomas, ...
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Menmuir, Sheena
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Petersson, Per
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Rachlew, Elisabe ...
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Rubel, Marek
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Ström, Petter
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Tholerus, Simon, ...
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Weckmann, Armin
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Zychor, I.
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Lengar, Igor
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Cufar, Aljaz
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Syme, Brian
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Popovichev, Serg ...
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Batistoni, Paola
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Conroy, Sean
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Fusion Plasma an ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Atom and Molecul ...
- Articles in the publication
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Fusion engineeri ...
- By the university
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Royal Institute of Technology
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Uppsala University