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Title: Thermal–hydraulic–mechanical modeling of a large-scale heater test to investigate rock salt and crushed salt behavior under repository conditions for heat-generating nuclear waste

Abstract

The Thermal Simulation for Drift Emplacement heater test is modeled with two simulators for coupled thermal-hydraulic-mechanical processes. Results from the two simulators are in very good agreement. The comparison between measurements and numerical results is also very satisfactory, regarding temperature, drift closure and rock deformation. Concerning backfill compaction, a parameter calibration through inverse modeling was performed due to insufficient data on crushed salt reconsolidation, particularly at high temperatures. We conclude that the two simulators investigated have the capabilities to reproduce the data available, which increases confidence in their use to reliably investigate disposal of heat-generating nuclear waste in saliferous geosystems.

Authors:
 [1];  [2];  [1];  [2];  [1]
+ Show Author Affiliations
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  2. Clausthal Univ. of Technology (Germany)
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Nuclear Energy (NE)
OSTI Identifier:
1379415
Alternate Identifier(s):
OSTI ID: 1341118
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Computers and Geotechnics
Additional Journal Information:
Journal Volume: 77; Journal Issue: C; Journal ID: ISSN 0266-352X
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES; Heater test; Coupled processes modeling; Benchmark; Heat-generating nuclear waste; Rock salt; Crushed salt

Citation Formats

Blanco-Martín, Laura, Wolters, Ralf, Rutqvist, Jonny, Lux, Karl-Heinz, and Birkholzer, Jens T. Thermal–hydraulic–mechanical modeling of a large-scale heater test to investigate rock salt and crushed salt behavior under repository conditions for heat-generating nuclear waste. United States: N. p., 2016. Web. doi:10.1016/j.compgeo.2016.04.008.
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Blanco-Martín, Laura, Wolters, Ralf, Rutqvist, Jonny, Lux, Karl-Heinz, & Birkholzer, Jens T. Thermal–hydraulic–mechanical modeling of a large-scale heater test to investigate rock salt and crushed salt behavior under repository conditions for heat-generating nuclear waste. United States. https://doi.org/10.1016/j.compgeo.2016.04.008
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Blanco-Martín, Laura, Wolters, Ralf, Rutqvist, Jonny, Lux, Karl-Heinz, and Birkholzer, Jens T. Thu . "Thermal–hydraulic–mechanical modeling of a large-scale heater test to investigate rock salt and crushed salt behavior under repository conditions for heat-generating nuclear waste". United States. https://doi.org/10.1016/j.compgeo.2016.04.008. https://www.osti.gov/servlets/purl/1379415.
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@article{osti_1379415,
title = {Thermal–hydraulic–mechanical modeling of a large-scale heater test to investigate rock salt and crushed salt behavior under repository conditions for heat-generating nuclear waste},
author = {Blanco-Martín, Laura and Wolters, Ralf and Rutqvist, Jonny and Lux, Karl-Heinz and Birkholzer, Jens T.},
abstractNote = {The Thermal Simulation for Drift Emplacement heater test is modeled with two simulators for coupled thermal-hydraulic-mechanical processes. Results from the two simulators are in very good agreement. The comparison between measurements and numerical results is also very satisfactory, regarding temperature, drift closure and rock deformation. Concerning backfill compaction, a parameter calibration through inverse modeling was performed due to insufficient data on crushed salt reconsolidation, particularly at high temperatures. We conclude that the two simulators investigated have the capabilities to reproduce the data available, which increases confidence in their use to reliably investigate disposal of heat-generating nuclear waste in saliferous geosystems.},
doi = {10.1016/j.compgeo.2016.04.008},
journal = {Computers and Geotechnics},
number = C,
volume = 77,
place = {United States},
year = {Thu Apr 28 00:00:00 EDT 2016},
month = {Thu Apr 28 00:00:00 EDT 2016}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1016/j.compgeo.2016.04.008
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Cited by: 13 works
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    Works referencing / citing this record:

    Coupled Processes Modeling in Rock Salt and Crushed Salt Including Halite Solubility Constraints: Application to Disposal of Heat-Generating Nuclear Waste
    journal, April 2018

    • Blanco-Martín, Laura; Rutqvist, Jonny; Battistelli, Alfredo
    • Transport in Porous Media, Vol. 124, Issue 1
    • DOI: 10.1007/s11242-018-1057-7
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