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Title: Phenomena identification and ranking table study for thermal hydraulics for Advanced High Temperature Reactor

Abstract

The Advanced High Temperature Reactor (AHTR) is a conceptual design of a Fluoride salt-cooled High temperature Reactor (FHR) utilizing (LiF)-Li-7-BeF2 (66-34 mol%) as its primary coolant. To identify key phenomena that impose potential challenges on thermal hydraulics modeling and simulation of such a reactor system, a thermal hydraulics phenomena identification and ranking table (TH-PIRT) study was performed for the AHTR in a Department of Energy Nuclear Energy University Program (NEUP) integrated research project led by Georgia Institute of Technology. A panel of experts from regulators, industries, national laboratories, and academia was assembled for the study. In this paper, the TH-PIRT5 identified by the panel for two events, namely, station blackout and simultaneous withdrawal of all control rods, are summarized and discussed in detail. In addition, the key phenomena that warrant further study and research for AHTR analysis are identified to support the validation of thermal hydraulics system-level analysis codes and computational fluid dynamics simulation tools, as well as future FHR reactor licensing.

Authors:
ORCiD logo [1];  [1];  [2];  [3];  [4];  [5];  [6];  [1];  [7]; ORCiD logo [1]
  1. The Ohio State Univ., Columbus, OH (United States); Univ. of Michigan, Ann Arbor, MI (United States)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
  3. US Nuclear Regulatory Commission (NRC), Washington, DC (United States)
  4. The Ohio State Univ., Columbus, OH (United States); Univ. of Idaho, Idaho Falls, ID (United States)
  5. Canadian Nuclear Safety Commission, Ottawa, ON (Canada)
  6. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Building Technologies Research and Integration Center (BTRIC)
  7. The Ohio State Univ., Columbus, OH (United States); Argonne National Lab. (ANL), Lemont, IL (United States)
Publication Date:
Research Org.:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Nuclear Energy (NE), Nuclear Energy University Program (NEUP); Nuclear Regulatory Commission/Non-NUREG; USDOE Office of Nuclear Energy (NE), Nuclear Energy University Programs (NEUP); USDOE
OSTI Identifier:
1482327
Alternate Identifier(s):
OSTI ID: 1503845; OSTI ID: 1636410
Report Number(s):
BNL-209442-2018-JAAM
Journal ID: ISSN 0306-4549
Grant/Contract Number:  
SC0012704; AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Annals of Nuclear Energy (Oxford)
Additional Journal Information:
Journal Name: Annals of Nuclear Energy (Oxford); Journal Volume: 124; Journal Issue: C; Journal ID: ISSN 0306-4549
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; AHTR; FHR; PIRT; Thermal Hydraulics; thermal hydraulics

Citation Formats

Lin, Hsun-Chia, Zhang, Sheng, Diamond, David, Bajorek, Stephen, Christensen, Richard, Guo, Yujun, Yoder, Graydon, Shi, Shanbin, Lv, Qiuping, and Sun, Xiaodong. Phenomena identification and ranking table study for thermal hydraulics for Advanced High Temperature Reactor. United States: N. p., 2018. Web. doi:10.1016/j.anucene.2018.08.038.
Lin, Hsun-Chia, Zhang, Sheng, Diamond, David, Bajorek, Stephen, Christensen, Richard, Guo, Yujun, Yoder, Graydon, Shi, Shanbin, Lv, Qiuping, & Sun, Xiaodong. Phenomena identification and ranking table study for thermal hydraulics for Advanced High Temperature Reactor. United States. https://doi.org/10.1016/j.anucene.2018.08.038
Lin, Hsun-Chia, Zhang, Sheng, Diamond, David, Bajorek, Stephen, Christensen, Richard, Guo, Yujun, Yoder, Graydon, Shi, Shanbin, Lv, Qiuping, and Sun, Xiaodong. Thu . "Phenomena identification and ranking table study for thermal hydraulics for Advanced High Temperature Reactor". United States. https://doi.org/10.1016/j.anucene.2018.08.038. https://www.osti.gov/servlets/purl/1482327.
@article{osti_1482327,
title = {Phenomena identification and ranking table study for thermal hydraulics for Advanced High Temperature Reactor},
author = {Lin, Hsun-Chia and Zhang, Sheng and Diamond, David and Bajorek, Stephen and Christensen, Richard and Guo, Yujun and Yoder, Graydon and Shi, Shanbin and Lv, Qiuping and Sun, Xiaodong},
abstractNote = {The Advanced High Temperature Reactor (AHTR) is a conceptual design of a Fluoride salt-cooled High temperature Reactor (FHR) utilizing (LiF)-Li-7-BeF2 (66-34 mol%) as its primary coolant. To identify key phenomena that impose potential challenges on thermal hydraulics modeling and simulation of such a reactor system, a thermal hydraulics phenomena identification and ranking table (TH-PIRT) study was performed for the AHTR in a Department of Energy Nuclear Energy University Program (NEUP) integrated research project led by Georgia Institute of Technology. A panel of experts from regulators, industries, national laboratories, and academia was assembled for the study. In this paper, the TH-PIRT5 identified by the panel for two events, namely, station blackout and simultaneous withdrawal of all control rods, are summarized and discussed in detail. In addition, the key phenomena that warrant further study and research for AHTR analysis are identified to support the validation of thermal hydraulics system-level analysis codes and computational fluid dynamics simulation tools, as well as future FHR reactor licensing.},
doi = {10.1016/j.anucene.2018.08.038},
journal = {Annals of Nuclear Energy (Oxford)},
number = C,
volume = 124,
place = {United States},
year = {Thu Oct 11 00:00:00 EDT 2018},
month = {Thu Oct 11 00:00:00 EDT 2018}
}

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Cited by: 7 works
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Figures / Tables:

Table 1 Table 1: TH-PIRT study panelists

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