On the relevance of turbulent structures resolution for cross-flow in a helical-coil tube bundle
© 2020 Elsevier Ltd Helical-coil steam generators are being adopted in a number of advanced nuclear reactor designs because of their increased heat transfer efficiency and compactness. Due to the limited operational experience and the expected high cost of dedicated experiments, it is imperative to...
| Main Authors: | , , , , |
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| Other Authors: | |
| Format: | Article |
| Language: | English |
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Elsevier BV
2021
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| Online Access: | https://hdl.handle.net/1721.1/133401 |
| _version_ | 1826201685897248768 |
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| author | Feng, Jinyong Acton, Michael Baglietto, Emilio Kraus, Adam R Merzari, Elia |
| author2 | Massachusetts Institute of Technology. Department of Nuclear Science and Engineering |
| author_facet | Massachusetts Institute of Technology. Department of Nuclear Science and Engineering Feng, Jinyong Acton, Michael Baglietto, Emilio Kraus, Adam R Merzari, Elia |
| author_sort | Feng, Jinyong |
| collection | MIT |
| description | © 2020 Elsevier Ltd Helical-coil steam generators are being adopted in a number of advanced nuclear reactor designs because of their increased heat transfer efficiency and compactness. Due to the limited operational experience and the expected high cost of dedicated experiments, it is imperative to demonstrate the modeling capability. Computational fluid dynamics is ideally suited for this problem, due to its high resolution and accuracy. However, traditional low-cost URANS turbulence models have shown limited applicability for cross-flow in helical tube bundles. On the other hand, LES methods provide high-accuracy and high-fidelity data with prohibitively high computational cost for design use. In this work, the recently proposed hybrid second-generation model STRUCT is compared to classic URANS turbulence formulations against high-fidelity LES simulations. The STRUCT model produces accurate predictions for all relevant quantities, demonstrating high potential for reproducing helical-coil tube bundle flow phenomena accurately, at an affordable computational cost. |
| first_indexed | 2024-09-23T11:55:25Z |
| format | Article |
| id | mit-1721.1/133401 |
| institution | Massachusetts Institute of Technology |
| language | English |
| last_indexed | 2024-09-23T11:55:25Z |
| publishDate | 2021 |
| publisher | Elsevier BV |
| record_format | dspace |
| spelling | mit-1721.1/1334012023-02-24T17:06:36Z On the relevance of turbulent structures resolution for cross-flow in a helical-coil tube bundle Feng, Jinyong Acton, Michael Baglietto, Emilio Kraus, Adam R Merzari, Elia Massachusetts Institute of Technology. Department of Nuclear Science and Engineering © 2020 Elsevier Ltd Helical-coil steam generators are being adopted in a number of advanced nuclear reactor designs because of their increased heat transfer efficiency and compactness. Due to the limited operational experience and the expected high cost of dedicated experiments, it is imperative to demonstrate the modeling capability. Computational fluid dynamics is ideally suited for this problem, due to its high resolution and accuracy. However, traditional low-cost URANS turbulence models have shown limited applicability for cross-flow in helical tube bundles. On the other hand, LES methods provide high-accuracy and high-fidelity data with prohibitively high computational cost for design use. In this work, the recently proposed hybrid second-generation model STRUCT is compared to classic URANS turbulence formulations against high-fidelity LES simulations. The STRUCT model produces accurate predictions for all relevant quantities, demonstrating high potential for reproducing helical-coil tube bundle flow phenomena accurately, at an affordable computational cost. 2021-10-27T19:52:38Z 2021-10-27T19:52:38Z 2020 2021-08-10T14:16:45Z Article http://purl.org/eprint/type/JournalArticle https://hdl.handle.net/1721.1/133401 en 10.1016/J.ANUCENE.2019.107298 Annals of Nuclear Energy Creative Commons Attribution-NonCommercial-NoDerivs License http://creativecommons.org/licenses/by-nc-nd/4.0/ application/pdf Elsevier BV DOE repository |
| spellingShingle | Feng, Jinyong Acton, Michael Baglietto, Emilio Kraus, Adam R Merzari, Elia On the relevance of turbulent structures resolution for cross-flow in a helical-coil tube bundle |
| title | On the relevance of turbulent structures resolution for cross-flow in a helical-coil tube bundle |
| title_full | On the relevance of turbulent structures resolution for cross-flow in a helical-coil tube bundle |
| title_fullStr | On the relevance of turbulent structures resolution for cross-flow in a helical-coil tube bundle |
| title_full_unstemmed | On the relevance of turbulent structures resolution for cross-flow in a helical-coil tube bundle |
| title_short | On the relevance of turbulent structures resolution for cross-flow in a helical-coil tube bundle |
| title_sort | on the relevance of turbulent structures resolution for cross flow in a helical coil tube bundle |
| url | https://hdl.handle.net/1721.1/133401 |
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