Radioisotope power system dose estimation tool

Michael B.R. Smith

Radioisotope power system dose estimation tool

Michael B.R. Smith

Systems Analysis and Optimization

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

The Radioisotope Power System Dose Estimation Tool (RPS-DET) is used to create, perform, and analyze particle-transport simulations of radioisotope power systems (RPSs). RPS-DET consists of a Matlab graphical user interface (GUI) to generate and analyze Monte Carlo N-Particle 6 (MCNP6) input and output files. Simulation geometries are created using a library-based method of combining multiple RPS units and environmental scenarios, while source terms are produced from databases of time-dependent photon and neutron spectra generated by the software packages IsoChain and ORIGEN. Simulation results are saved in a three-dimensional format for neutron and photon flux and dose in tissue or silicon and may be interactively inspected via the GUI. RPS-DET allows flexibility in the simulation-space by providing the ability to mix and match RPS units with relevant environments. RPS-DET also captures the effects of fuel-aging for the particle-energy-spectra and intensity. This work has been benchmarked against measurements of existing RPS units and found to comparably predict neutron and gamma flux, absorbed dose, and dose equivalent in humans and electronics (silicon).

Original language	English
Title of host publication	Nuclear and Emerging Technologies for Space, NETS 2018
Publisher	American Nuclear Society
Pages	219-222
Number of pages	4
ISBN (Print)	9781510859609
State	Published - 2016
Event	Nuclear and Emerging Technologies for Space, NETS 2018 - Las Vegas, United States Duration: Feb 26 2018 → Mar 1 2018

Publication series

Name	Nuclear and Emerging Technologies for Space, NETS 2018

Conference

Conference	Nuclear and Emerging Technologies for Space, NETS 2018
Country/Territory	United States
City	Las Vegas
Period	02/26/18 → 03/1/18

Funding

This work was funded by the NASA RPS Program Office, and much appreciation is given to them and Glenn Research Center for their guidance and support, specifically June Zakrajsek and Paul Schmitz. Field measurements, fueling details, and detailed information regarding MMRTG and GPHS-RTG were provided by Dr. Steve Johnson and Kelly Lively at Idaho National Laboratory (INL). Information regarding the materials and dimensions of MMRTG were provided by Bill Otting of Aerojet Rocketdyne. This work was initiated while the author was attending the University of Tennessee, and many technical contributions were made by Dr. Lawrence Heilbronn from the Nuclear Engineering Department. Special thanks to Dr. Lou Qualls at ORNL for his mentorship and instruction during this project. This work was funded by the NASA RPS Program Office, and much appreciation is given to them and Glenn Research Center for their guidance and support, specifically June Zakrajsek and Paul Schmitz. Field measurements, fueling details, and detailed information

Funders	Funder number
National Aeronautics and Space Administration
Glenn Research Center
Idaho National Laboratory

Cite this

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title = "Radioisotope power system dose estimation tool",

abstract = "The Radioisotope Power System Dose Estimation Tool (RPS-DET) is used to create, perform, and analyze particle-transport simulations of radioisotope power systems (RPSs). RPS-DET consists of a Matlab graphical user interface (GUI) to generate and analyze Monte Carlo N-Particle 6 (MCNP6) input and output files. Simulation geometries are created using a library-based method of combining multiple RPS units and environmental scenarios, while source terms are produced from databases of time-dependent photon and neutron spectra generated by the software packages IsoChain and ORIGEN. Simulation results are saved in a three-dimensional format for neutron and photon flux and dose in tissue or silicon and may be interactively inspected via the GUI. RPS-DET allows flexibility in the simulation-space by providing the ability to mix and match RPS units with relevant environments. RPS-DET also captures the effects of fuel-aging for the particle-energy-spectra and intensity. This work has been benchmarked against measurements of existing RPS units and found to comparably predict neutron and gamma flux, absorbed dose, and dose equivalent in humans and electronics (silicon).",

author = "Smith, {Michael B.R.}",

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year = "2016",

language = "English",

isbn = "9781510859609",

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PY - 2016

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N2 - The Radioisotope Power System Dose Estimation Tool (RPS-DET) is used to create, perform, and analyze particle-transport simulations of radioisotope power systems (RPSs). RPS-DET consists of a Matlab graphical user interface (GUI) to generate and analyze Monte Carlo N-Particle 6 (MCNP6) input and output files. Simulation geometries are created using a library-based method of combining multiple RPS units and environmental scenarios, while source terms are produced from databases of time-dependent photon and neutron spectra generated by the software packages IsoChain and ORIGEN. Simulation results are saved in a three-dimensional format for neutron and photon flux and dose in tissue or silicon and may be interactively inspected via the GUI. RPS-DET allows flexibility in the simulation-space by providing the ability to mix and match RPS units with relevant environments. RPS-DET also captures the effects of fuel-aging for the particle-energy-spectra and intensity. This work has been benchmarked against measurements of existing RPS units and found to comparably predict neutron and gamma flux, absorbed dose, and dose equivalent in humans and electronics (silicon).

AB - The Radioisotope Power System Dose Estimation Tool (RPS-DET) is used to create, perform, and analyze particle-transport simulations of radioisotope power systems (RPSs). RPS-DET consists of a Matlab graphical user interface (GUI) to generate and analyze Monte Carlo N-Particle 6 (MCNP6) input and output files. Simulation geometries are created using a library-based method of combining multiple RPS units and environmental scenarios, while source terms are produced from databases of time-dependent photon and neutron spectra generated by the software packages IsoChain and ORIGEN. Simulation results are saved in a three-dimensional format for neutron and photon flux and dose in tissue or silicon and may be interactively inspected via the GUI. RPS-DET allows flexibility in the simulation-space by providing the ability to mix and match RPS units with relevant environments. RPS-DET also captures the effects of fuel-aging for the particle-energy-spectra and intensity. This work has been benchmarked against measurements of existing RPS units and found to comparably predict neutron and gamma flux, absorbed dose, and dose equivalent in humans and electronics (silicon).

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M3 - Conference contribution

AN - SCOPUS:85051964864

SN - 9781510859609

T3 - Nuclear and Emerging Technologies for Space, NETS 2018

SP - 219

EP - 222

BT - Nuclear and Emerging Technologies for Space, NETS 2018

PB - American Nuclear Society

T2 - Nuclear and Emerging Technologies for Space, NETS 2018

Y2 - 26 February 2018 through 1 March 2018

ER -

Radioisotope power system dose estimation tool

Abstract

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