Expected brine movement at potential nuclear waste repository salt sites

McCauley, V.S.; Raines, G.E.

doi:10.2172/5999416

Cited by 4 publications

(6 citation statements)

References 8 publications

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“…is that the temperature gradient at late times is not zero even out to 300 meters. This characteristic contrasts with vertical emplacement where the gradient is zero at a distance midway between the package (30 meters or less) (McCauley and Raines, 1986). migration for horizontal emplacement may continue for longer periods of time than for vertical emplacement.…”

Section: Figure B-1 Is a Plot Of The Data In Table 8-3 The Temperatumentioning

confidence: 87%

Conceptual designs for waste packages for horizontal or vertical emplacement in a repository in salt for reference in the site characterization plan

1987

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0 I SCLA IHER T h i s report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, makes any warranty, expressed or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness o f any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific comnercial product , process , or service by trade name, trade mark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recomnendation, or favoring by the United States Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof. TECHNICAL STATUS This technical report is being archived in advance of DOE technical review because of Congressional shutdown of the Salt Repository Project. Because of project termination, DOE has expedited the report clearance process to ensure availability o f project data. A sumnary of the review status o f this report is attached.

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Section: Figure B-1 Is a Plot Of The Data In Table 8-3 The Temperatumentioning

confidence: 87%

Conceptual designs for waste packages for horizontal or vertical emplacement in a repository in salt for reference in the site characterization plan

1987

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“…MIGRAIN only considered brine inclusion migration (Claiborne et al, 1980); 3. BRINEMIG only considered brine inclusion migration (McCauley and Raines, 1987); 4. VAPMIG combined brine inclusion migration and evaporation front movement (vapor transport) by Knudsen and bulk diffusion through a porous medium (Olander, 1982);…”

Section: Historic Brine Flow Models Without Mechanical Effectsmentioning

confidence: 99%

Brine flow in heated geologic salt.

Kuhlman¹,

Malama²

2013

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This report is a summary of the physical processes, primary governing equations, solution approaches, and historic testing related to brine migration in geologic salt. Although most information presented in this report is not new, we synthesize a large amount of material scattered across dozens of laboratory reports, journal papers, conference proceedings, and textbooks.We present a mathematical description of the governing brine flow mechanisms in geologic salt. We outline the general coupled thermal, multi-phase hydrologic, and mechanical processes. We derive these processes' governing equations, which can be used to predict brine flow. These equations are valid under a wide variety of conditions applicable to radioactive waste disposal in rooms and boreholes excavated into geologic salt. 3We focus on the development of the governing equations with the intent to solve them analytically or in a simplified numerical manner, although we briefly summarize some available fully coupled three-dimensional numerical models and some historic modeling results. We non-dimensionalize the governing equations, and make some statements about importance of terms in the governing equations for physically plausible ranges of material property values.We summarize both in situ and laboratory brine migration testing in intact geologic salt, primarily focusing on tests performed under heated conditions relevant to high-level waste disposal. Supporting material is presented in appendices on relevant aspects of laboratory water content determination for bedded salt, the nature and evolution of the disturbed rock zone, and geologic salt permeability testing.In the final summary chapter, we provide a narrative description of the processes controlling both isothermal and heated brine inflow to excavations in geologic salt. Based upon our review, we recommend several potential in situ and laboratory tests, which could be conducted to increase understanding, parametrize numerical models, and confirm the importance of competing physical processes.4

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“…where V is the velocity of brine migration ln em/yr. G is the thermal gradient in °C/cm, and Tis the temperature in °C, McCauley and Raines (1987) used BRII\"EMIG to model brine migration at seven sites. Ratigan (1987) developed a finite element model that simulates the migration of inclusions both within grains and at intergranular boundaries.…”

Section: -28mentioning

confidence: 99%

Methods of calculating the post-closure performance of high-level waste repositories

Ross¹

1989

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Expected brine movement at potential nuclear waste repository salt sites

Cited by 4 publications

References 8 publications

Conceptual designs for waste packages for horizontal or vertical emplacement in a repository in salt for reference in the site characterization plan

Conceptual designs for waste packages for horizontal or vertical emplacement in a repository in salt for reference in the site characterization plan

Brine flow in heated geologic salt.

Methods of calculating the post-closure performance of high-level waste repositories

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