A new model with Serpent for the first criticality benchmarks of the TRIGA Mark II reactor

Christian Castagna; Davide Chiesa; Antonio Cammi; Sara Boarin; Ezio Previtali; Monica Sisti; Massimiliano Nastasi; Andrea Salvini; Giovanni Magrotti; Michele Prata

doi:10.1016/j.anucene.2017.11.011

A new model with Serpent for the first criticality benchmarks of the TRIGA Mark II reactor

Christian Castagna, Davide Chiesa, Antonio Cammi, Sara Boarin, Ezio Previtali, Monica Sisti, Massimiliano Nastasi, Andrea Salvini, Giovanni Magrotti, Michele Prata

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

We present a new model, developed with the Serpent Monte Carlo code, for neutronics simulation of the TRIGA Mark II reactor of Pavia (Italy). The complete 3D geometry of the reactor core is implemented with high accuracy and detail, exploiting all the available information about geometry and materials. The Serpent model of the reactor is validated in the fresh fuel configuration, through a benchmark analysis of the first criticality experiments and control rods calibrations. The accuracy of simulations in reproducing the reactivity difference between the low power (10 W) and full power (250 kW) reactor condition is also tested. Finally, a direct comparison between Serpent and MCNP simulations of the same reactor configurations is presented.

Original language	English
Pages (from-to)	171-176
Number of pages	6
Journal	Annals of Nuclear Energy
Volume	113
DOIs	https://doi.org/10.1016/j.anucene.2017.11.011
State	Published - 1 Mar 2018
Externally published	Yes

Keywords

Benchmark analysis
Monte Carlo simulations
Neutronics
Serpent
TRIGA Mark II reactor

ASJC Scopus subject areas

Nuclear Energy and Engineering

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10.1016/j.anucene.2017.11.011

Cite this

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title = "A new model with Serpent for the first criticality benchmarks of the TRIGA Mark II reactor",

abstract = "We present a new model, developed with the Serpent Monte Carlo code, for neutronics simulation of the TRIGA Mark II reactor of Pavia (Italy). The complete 3D geometry of the reactor core is implemented with high accuracy and detail, exploiting all the available information about geometry and materials. The Serpent model of the reactor is validated in the fresh fuel configuration, through a benchmark analysis of the first criticality experiments and control rods calibrations. The accuracy of simulations in reproducing the reactivity difference between the low power (10 W) and full power (250 kW) reactor condition is also tested. Finally, a direct comparison between Serpent and MCNP simulations of the same reactor configurations is presented.",

keywords = "Benchmark analysis, Monte Carlo simulations, Neutronics, Serpent, TRIGA Mark II reactor",

author = "Christian Castagna and Davide Chiesa and Antonio Cammi and Sara Boarin and Ezio Previtali and Monica Sisti and Massimiliano Nastasi and Andrea Salvini and Giovanni Magrotti and Michele Prata",

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T1 - A new model with Serpent for the first criticality benchmarks of the TRIGA Mark II reactor

AU - Castagna, Christian

AU - Chiesa, Davide

AU - Cammi, Antonio

AU - Boarin, Sara

AU - Previtali, Ezio

AU - Sisti, Monica

AU - Nastasi, Massimiliano

AU - Salvini, Andrea

AU - Magrotti, Giovanni

AU - Prata, Michele

PY - 2018/3/1

Y1 - 2018/3/1

N2 - We present a new model, developed with the Serpent Monte Carlo code, for neutronics simulation of the TRIGA Mark II reactor of Pavia (Italy). The complete 3D geometry of the reactor core is implemented with high accuracy and detail, exploiting all the available information about geometry and materials. The Serpent model of the reactor is validated in the fresh fuel configuration, through a benchmark analysis of the first criticality experiments and control rods calibrations. The accuracy of simulations in reproducing the reactivity difference between the low power (10 W) and full power (250 kW) reactor condition is also tested. Finally, a direct comparison between Serpent and MCNP simulations of the same reactor configurations is presented.

AB - We present a new model, developed with the Serpent Monte Carlo code, for neutronics simulation of the TRIGA Mark II reactor of Pavia (Italy). The complete 3D geometry of the reactor core is implemented with high accuracy and detail, exploiting all the available information about geometry and materials. The Serpent model of the reactor is validated in the fresh fuel configuration, through a benchmark analysis of the first criticality experiments and control rods calibrations. The accuracy of simulations in reproducing the reactivity difference between the low power (10 W) and full power (250 kW) reactor condition is also tested. Finally, a direct comparison between Serpent and MCNP simulations of the same reactor configurations is presented.

KW - Benchmark analysis

KW - Monte Carlo simulations

KW - Neutronics

KW - Serpent

KW - TRIGA Mark II reactor

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DO - 10.1016/j.anucene.2017.11.011

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VL - 113

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EP - 176

JO - Annals of Nuclear Energy

JF - Annals of Nuclear Energy

ER -

A new model with Serpent for the first criticality benchmarks of the TRIGA Mark II reactor

Abstract

Keywords

ASJC Scopus subject areas

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