On the relevance of turbulent structures resolution for cross-flow in a helical-coil tube bundle
Abstract
In this report we discuss how 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.
- Authors:
-
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Nuclear Energy (NE), Nuclear Energy Advanced Modeling and Simulation (NEAMS)
- OSTI Identifier:
- 1762264
- Grant/Contract Number:
- 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: 140; Journal ID: ISSN 0306-4549
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 22 GENERAL STUDIES OF NUCLEAR REACTORS; Helical tube; LES; STRUCT; Steam generator; URANS; Wall function
Citation Formats
Feng, Jinyong, Acton, Michael, Baglietto, Emilio, Kraus, Adam R., and Merzari, Elia. On the relevance of turbulent structures resolution for cross-flow in a helical-coil tube bundle. United States: N. p., 2020.
Web. doi:10.1016/j.anucene.2019.107298.
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. United States. https://doi.org/10.1016/j.anucene.2019.107298
Feng, Jinyong, Acton, Michael, Baglietto, Emilio, Kraus, Adam R., and Merzari, Elia. Thu .
"On the relevance of turbulent structures resolution for cross-flow in a helical-coil tube bundle". United States. https://doi.org/10.1016/j.anucene.2019.107298. https://www.osti.gov/servlets/purl/1762264.
@article{osti_1762264,
title = {On the relevance of turbulent structures resolution for cross-flow in a helical-coil tube bundle},
author = {Feng, Jinyong and Acton, Michael and Baglietto, Emilio and Kraus, Adam R. and Merzari, Elia},
abstractNote = {In this report we discuss how 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.},
doi = {10.1016/j.anucene.2019.107298},
journal = {Annals of Nuclear Energy (Oxford)},
number = ,
volume = 140,
place = {United States},
year = {Thu Jan 09 00:00:00 EST 2020},
month = {Thu Jan 09 00:00:00 EST 2020}
}
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