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Title: Development of a Validation Approach for an Integrated Waste Glass Melter Model

Abstract

Integrated models are being developed to represent the physics occurring within the high-level and low-activity waste melters that will be used to vitrify legacy tank waste at the Hanford site. These models couple the melt pool, cold cap, and plenum region within a single computational domain. Validation of the models is essential to ensure the reliability of the numerical predictions of the operational melters. Experimental data from laboratory- and pilot-scale tests are thus being used to inform and validate various aspects of the melter model. This study presents a tiered approach to model validation consisting of a series of progressively more complex test cases designed to model the physics occurring in the full-scale system. A hierarchical methodology has been developed to segregate and simplify the physical phenomena affecting the multiphase flow and heat transfer within a waste glass melter. Finally, four hierarchical levels are defined in a validation pyramid and built up in levels of increasing complexity from unit problems to subsystem cases, to pilot-scale systems, and then to the full-scale system.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [2];  [3]; ORCiD logo [3]; ORCiD logo [4]; ORCiD logo [5]
  1. Idaho National Lab. (INL), Idaho Falls, ID (United States)
  2. Univ. of Chemistry and Technology, Prague (Czech Republic)
  3. Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
  4. Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL)
  5. USDOE Office of River Protection, Richland, WA (United States)
Publication Date:
Research Org.:
Idaho National Lab. (INL), Idaho Falls, ID (United States)
Sponsoring Org.:
USDOE Office of Environmental Management (EM)
OSTI Identifier:
1473923
Report Number(s):
INL/JOU-17-41580-Rev000
Journal ID: ISSN 0029-5450
Grant/Contract Number:  
AC07-05ID14517
Resource Type:
Accepted Manuscript
Journal Name:
Nuclear Technology
Additional Journal Information:
Journal Volume: 203; Journal Issue: 3; Journal ID: ISSN 0029-5450
Publisher:
Taylor & Francis - formerly American Nuclear Society (ANS)
Country of Publication:
United States
Language:
English
Subject:
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; computational fluid dynamics; joule-heated melter; validation; vitrification

Citation Formats

Guillen, Donna Post, Abboud, Alexander W., Pokorny, Richard, Eaton, William C., Dixon, Derek, Fox, Kevin, and Kruger, Albert A. Development of a Validation Approach for an Integrated Waste Glass Melter Model. United States: N. p., 2018. Web. doi:10.1080/00295450.2018.1458559.
Guillen, Donna Post, Abboud, Alexander W., Pokorny, Richard, Eaton, William C., Dixon, Derek, Fox, Kevin, & Kruger, Albert A. Development of a Validation Approach for an Integrated Waste Glass Melter Model. United States. doi:10.1080/00295450.2018.1458559.
Guillen, Donna Post, Abboud, Alexander W., Pokorny, Richard, Eaton, William C., Dixon, Derek, Fox, Kevin, and Kruger, Albert A. Thu . "Development of a Validation Approach for an Integrated Waste Glass Melter Model". United States. doi:10.1080/00295450.2018.1458559. https://www.osti.gov/servlets/purl/1473923.
@article{osti_1473923,
title = {Development of a Validation Approach for an Integrated Waste Glass Melter Model},
author = {Guillen, Donna Post and Abboud, Alexander W. and Pokorny, Richard and Eaton, William C. and Dixon, Derek and Fox, Kevin and Kruger, Albert A.},
abstractNote = {Integrated models are being developed to represent the physics occurring within the high-level and low-activity waste melters that will be used to vitrify legacy tank waste at the Hanford site. These models couple the melt pool, cold cap, and plenum region within a single computational domain. Validation of the models is essential to ensure the reliability of the numerical predictions of the operational melters. Experimental data from laboratory- and pilot-scale tests are thus being used to inform and validate various aspects of the melter model. This study presents a tiered approach to model validation consisting of a series of progressively more complex test cases designed to model the physics occurring in the full-scale system. A hierarchical methodology has been developed to segregate and simplify the physical phenomena affecting the multiphase flow and heat transfer within a waste glass melter. Finally, four hierarchical levels are defined in a validation pyramid and built up in levels of increasing complexity from unit problems to subsystem cases, to pilot-scale systems, and then to the full-scale system.},
doi = {10.1080/00295450.2018.1458559},
journal = {Nuclear Technology},
number = 3,
volume = 203,
place = {United States},
year = {2018},
month = {6}
}

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