Interpretation of energy deposition data from historical operation of the transient test facility (TREAT)
Abstract
The Transient Test Reactor (TREAT) at Idaho National Laboratory will resume operations in late 2017 after a 23 year hiatus while maintained in a cold standby state. Over that time period, computational power and simulation capabilities have increased substantially and now allow for new multiphysics modeling possibilities that were not practical or feasible for most of TREAT's operational history. Hence the return of TREAT to operational service provides a unique opportunity to apply state-of-the-art software and associated methods in the modeling and simulation of general three-dimensional steady state and kinetic behavior for reactor operation, and for coupling of the core power transient model to experiment simulations. However, measurements taken in previous operations were intended to predict power deposition in experimental samples, with little consideration of three-dimensional core power distributions. Hence, interpretation of data for the purpose of validation of modern methods can be challenging. For the research discussed herein, efforts are described for the process of proper interpretation of data from the most recent calibration experiments performed in the core, the M8 calibration series (M8-CAL). These measurements were taken between 1990 and 1993 using a set of fission wires and test fuel pins to estimate the power deposition that wouldmore »
- Authors:
-
[1]
- Idaho National Lab. (INL), Idaho Falls, ID (United States). Reactor Physics Design and Analysis Dept.
- Publication Date:
- Research Org.:
- Idaho National Lab. (INL), Idaho Falls, ID (United States)
- Sponsoring Org.:
- USDOE Office of Nuclear Energy (NE)
- OSTI Identifier:
- 1375321
- Alternate Identifier(s):
- OSTI ID: 1549630
- Report Number(s):
- INL/JOU-17-41863
Journal ID: ISSN 0029-5493; PII: S0029549317303515
- Grant/Contract Number:
- AC07-05ID14517; DEAC07-05ID14517
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nuclear Engineering and Design
- Additional Journal Information:
- Journal Volume: 322; Journal Issue: C; Journal ID: ISSN 0029-5493
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; Calibration; Instrumentation; M8-CAL; Modeling; Simulation; TREAT; Uncertainty
Citation Formats
DeHart, Mark D., Baker, Benjamin A., and Ortensi, Javier. Interpretation of energy deposition data from historical operation of the transient test facility (TREAT). United States: N. p., 2017.
Web. doi:10.1016/j.nucengdes.2017.07.019.
DeHart, Mark D., Baker, Benjamin A., & Ortensi, Javier. Interpretation of energy deposition data from historical operation of the transient test facility (TREAT). United States. https://doi.org/10.1016/j.nucengdes.2017.07.019
DeHart, Mark D., Baker, Benjamin A., and Ortensi, Javier. Thu .
"Interpretation of energy deposition data from historical operation of the transient test facility (TREAT)". United States. https://doi.org/10.1016/j.nucengdes.2017.07.019. https://www.osti.gov/servlets/purl/1375321.
@article{osti_1375321,
title = {Interpretation of energy deposition data from historical operation of the transient test facility (TREAT)},
author = {DeHart, Mark D. and Baker, Benjamin A. and Ortensi, Javier},
abstractNote = {The Transient Test Reactor (TREAT) at Idaho National Laboratory will resume operations in late 2017 after a 23 year hiatus while maintained in a cold standby state. Over that time period, computational power and simulation capabilities have increased substantially and now allow for new multiphysics modeling possibilities that were not practical or feasible for most of TREAT's operational history. Hence the return of TREAT to operational service provides a unique opportunity to apply state-of-the-art software and associated methods in the modeling and simulation of general three-dimensional steady state and kinetic behavior for reactor operation, and for coupling of the core power transient model to experiment simulations. However, measurements taken in previous operations were intended to predict power deposition in experimental samples, with little consideration of three-dimensional core power distributions. Hence, interpretation of data for the purpose of validation of modern methods can be challenging. For the research discussed herein, efforts are described for the process of proper interpretation of data from the most recent calibration experiments performed in the core, the M8 calibration series (M8-CAL). These measurements were taken between 1990 and 1993 using a set of fission wires and test fuel pins to estimate the power deposition that would be produced in fast reactor test fuel pins during the M8 experiment series. Because of the decision to place TREAT into a standby state in 1994, the M8 series of transients were never performed. However, potentially valuable information relevant for validation is available in the M8-CAL measurement data, if properly interpreted. This article describes the current state of the process of recovery of useful data from M8-CAL measurements and quantification of biases and uncertainties to potentially apply to the validation of multiphysics methods.},
doi = {10.1016/j.nucengdes.2017.07.019},
journal = {Nuclear Engineering and Design},
number = C,
volume = 322,
place = {United States},
year = {Thu Jul 27 00:00:00 EDT 2017},
month = {Thu Jul 27 00:00:00 EDT 2017}
}
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A Coupled Multiscale Approach to TREAT LEU Feedback Modeling Using a Binary-Collision Monte-Carlo–Informed Heat Source
journal, November 2018
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- Nuclear Science and Engineering, Vol. 193, Issue 4