Investigation of neutronic effects in structural material of a hybrid reactor by using the MCNPX Monte Carlo transport code
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M. Günay
Abstract
In this study, 98–90% Li2BeF4-2–10% ThF4, 98–90% Li2BeF4-2–10% UF4, 98–90% Li2BeF4-2–10% UO2 and 100% Li2BeF4 molten salt-heavy metal was used as fluid. The fluids were used in the liquid first wall, liquid second wall and shield zones of the designed hybrid reactor system. A steel wall of 4 cm thickness is used as structural material. Proton, deuterium, tritium, He-3 and He-4 gas production rates are the parameters of radiation damage. In the study, the effect of liquid second wall thicknesses (20 cm, 30 cm, 40 cm, 50 cm) on the neutron flux distribution and the parameters of radiation damage according to neutron energy spectrum in the structural material were investigated for the selected fluids. A three-dimensional analysis was done by using the most recent version of the MCNPX-2.7.0 Monte Carlo code and the nuclear data library ENDF/B-VII.
Kurzfassung
In dieser Untersuchung wurde 98–90% Li2BeF4-2–10% ThF4, 98–90% Li2BeF4-2–10% UF4, 98–90% Li2BeF4-2–10% UO2 und 100% Li2BeF4 Flüssigsalz-Schwermetall verwendet. Die Flüssigkeiten wurden bei der ersten und zweiten flüssigen Wand und bei der Abschirmzone des konzipierten Hybrid-Reaktors verwendet. Als Strukturmaterial wurde eine 4 cm dicke Stahlwand verwendet. Parameter für Strahlungsschäden sind die Produktionsraten von Protonen, Deuterium, Tritium, He-3 und He-4. In der Studie wurde die Wirkung der Wanddicke (20 cm, 30 cm, 40 cm, 50 cm) der zweiten flüssigen Wand auf die Verteilung des Neutronenflusses und die Parameter der Strahlungsschäden entsprechend dem Neutronenenergiespektrum für die gewählten Flüssigkeiten untersucht. Für die dreidimensionale Analyse wurde die neueste Version des Monte-Carlo-Codes MCNPX-2.7.0 und die Kerndatenbibliothek ENDF/B-VII verwendet.
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© 2013, Carl Hanser Verlag, München
Articles in the same Issue
- Contents/Inhalt
- Contents
- Summaries/Kurzfassungen
- Summaries
- Technical Contributions/Fachbeiträge
- Chemistry aspects of the source term formation for a severe accident in a CANDU type reactor
- Analytical study on degraded core quenching
- Experimental investigations on control of flow instability in single-phase natural circulation loop
- Burnup calculations using serpent code in accelerator driven thorium reactors
- Investigation of neutronic effects in structural material of a hybrid reactor by using the MCNPX Monte Carlo transport code
- Nuclear aspects and cyclotron production of the positron emitter 55Co
- Calculation of age-dependent effective doses for external exposure using the MCNP code
- Effect of Cu2+/Al3+ mole ratio on structure of Cu – Al bimetallic nanoparticles prepared by radiation induced method
- A numerical method for resonance integral calculations
- Computational modeling of monoenergetic neutral particle inverse transport problems in slab geometry
- Effects on criticality of selected scattering phase functions in neutron transport equation using the Chebyshev approximation
- U1 and P1 approximations to neutron transport equation for diffusion length calculation
- Technical Notes/Technische Mitteilungen
- TN approximation for the critical size of one-speed neutrons in a slab with anisotropic scattering
- Albedo and constant source problems for extremely anisotropic scattering
Articles in the same Issue
- Contents/Inhalt
- Contents
- Summaries/Kurzfassungen
- Summaries
- Technical Contributions/Fachbeiträge
- Chemistry aspects of the source term formation for a severe accident in a CANDU type reactor
- Analytical study on degraded core quenching
- Experimental investigations on control of flow instability in single-phase natural circulation loop
- Burnup calculations using serpent code in accelerator driven thorium reactors
- Investigation of neutronic effects in structural material of a hybrid reactor by using the MCNPX Monte Carlo transport code
- Nuclear aspects and cyclotron production of the positron emitter 55Co
- Calculation of age-dependent effective doses for external exposure using the MCNP code
- Effect of Cu2+/Al3+ mole ratio on structure of Cu – Al bimetallic nanoparticles prepared by radiation induced method
- A numerical method for resonance integral calculations
- Computational modeling of monoenergetic neutral particle inverse transport problems in slab geometry
- Effects on criticality of selected scattering phase functions in neutron transport equation using the Chebyshev approximation
- U1 and P1 approximations to neutron transport equation for diffusion length calculation
- Technical Notes/Technische Mitteilungen
- TN approximation for the critical size of one-speed neutrons in a slab with anisotropic scattering
- Albedo and constant source problems for extremely anisotropic scattering