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Paladino D, Kapulla R, Paranjape S, Suter S, Hug C, Chae MS, Andreani M. PANDA experimental database and further needs for containment analyses. NUCLEAR ENGINEERING AND DESIGN 2023. [DOI: 10.1016/j.nucengdes.2023.112173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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2
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Abe S, Sibamoto Y. Large-eddy simulation on gas mixing induced by the high-buoyancy flow in the CIGMA facility. NUCLEAR ENGINEERING AND TECHNOLOGY 2023. [DOI: 10.1016/j.net.2023.01.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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3
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Raman RK, Iyer KN, Rao R, Gaikwad A, Sharma SK. CFD studies of hydrogen distribution in 220 MWe PHWR containment. NUCLEAR ENGINEERING AND DESIGN 2022. [DOI: 10.1016/j.nucengdes.2022.111898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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4
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CFD analysis of water vapor condensation in large containments: Numerical model, verification and validation. NUCLEAR ENGINEERING AND DESIGN 2022. [DOI: 10.1016/j.nucengdes.2022.111861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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5
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Estimation of Flow Field in Natural Convection with Density Stratification by Local Ensemble Transform Kalman Filter. FLUIDS 2022. [DOI: 10.3390/fluids7070237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
For estimating thermal flow in a nuclear reactor during an accident accurately, it is important to improve the accuracy of computational fluid dynamics simulations. The temperature and flow velocity are not homogeneous and have large variations in a reactor containment vessel because of its very large volume. In addition, Kelm’s work pointed out that the influence of variations of initial and boundary conditions was important. Therefore, it is necessary to set the initial and boundary conditions taking into account the variations of these physical quantities. However, it is a difficult subject to set such complicated initial and boundary conditions. Then, we can obtain realistic initial and boundary conditions and an accurate flow field by data assimilation, and we can improve the accuracy of the simulation result. In this study, we applied data assimilation by a local ensemble transform Kalman filter to a simulation of natural convection behavior in density stratification, and we performed a twin model experiment. We succeeded in estimating the flow fields and improving the simulation accuracy by the data assimilation, even if we applied the boundary condition with error for the true condition.
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Dehbi A, King S, Mitrakos D. Erosion of a helium-rich layer by a steam jet in the presence of an inclined grid: Comparison of the predictions by URANS, STRUC-URANS and LES. NUCLEAR ENGINEERING AND DESIGN 2022. [DOI: 10.1016/j.nucengdes.2022.111740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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7
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Experimental investigation of natural convection and gas mixing behaviors driven by outer surface cooling with and without density stratification consisting of an air-helium gas mixture in a large-scale enclosed vessel. ANN NUCL ENERGY 2022. [DOI: 10.1016/j.anucene.2021.108791] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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8
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Simulations of PANDA and SPARC experiments on containment atmosphere mixing caused by vertical gas injection. NUCLEAR ENGINEERING AND DESIGN 2021. [DOI: 10.1016/j.nucengdes.2021.111464] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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9
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Tong L, Guo D, Wang D, Cao X. Improvements of turbulence model for analysis of hydrogen stratification erosion by turbulent buoyant jet. ANN NUCL ENERGY 2021. [DOI: 10.1016/j.anucene.2020.107797] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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10
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Abe S, Studer E, Ishigaki M, Sibamoto Y, Yonomoto T. Density stratification breakup by a vertical jet: Experimental and numerical investigation on the effect of dynamic change of turbulent schmidt number. NUCLEAR ENGINEERING AND DESIGN 2020. [DOI: 10.1016/j.nucengdes.2020.110785] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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11
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Experimental investigation of density stratification behavior during outer surface cooling of a containment vessel with the CIGMA facility. NUCLEAR ENGINEERING AND DESIGN 2020. [DOI: 10.1016/j.nucengdes.2020.110790] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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12
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Liu H, Tong L, Cao X. Experimental study on hydrogen behavior and possible risk with different injection conditions in local compartment. NUCLEAR ENGINEERING AND TECHNOLOGY 2020. [DOI: 10.1016/j.net.2020.01.030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Andreani M, Kapulla R, Kelm S, Paladino D, Paranjape S. Analyses of Gas Stratification Erosion by a Vertical Jet in Presence of an Obstacle Using the GOTHIC Code. JOURNAL OF NUCLEAR ENGINEERING AND RADIATION SCIENCE 2020. [DOI: 10.1115/1.4046296] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Abstract
The GOTHIC code was validated using three experiments carried out in the PANDA facility in the framework of the OECD/NEA HYMERES project. These tests addressed the mixing of an initially stratified atmosphere by means of a vertical jet in the presence of on obstacle (circular plate). This paper reports on the simulations of three experiments, and complementary, quasi-steady-state tests without stratification, where the flow structure above the impingement plate could be observed by means of particle image velocimetry (PIV) velocity measurements in a region larger than that considered in the transient experiments. Moreover, simulations of similar tests without obstacle conducted during the OECD/SETH-2 project are also discussed. The reference, best-estimate model used for the analyses of the three experiments with different flowrates and initial and pressure boundary conditions was built on the base of a multistep approach. This was based on mesh and modeling sensitivity studies mostly performed for the complementary tests, to assess the capability to represent the flow structure produced by the jet–plate interaction with different meshes around the plate. Generally, the results show that the use of a coarse mesh and the standard k–ε turbulence model permits a reasonable representation of the erosion process, but with a systematic over prediction of the mixing time. The results with the reference model were more accurate for two experiments with two flowrates and same initial conditions and all complementary tests. For the third test with different initial and boundary conditions, however, poor results were obtained with the reference model, which could only be improved by further refining the mesh. These results indicate that a model “qualified” for certain conditions could be inadequate for other cases, and sensitivity studies are necessary for the specific conditions considered in the analyses.
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Affiliation(s)
- Michele Andreani
- Nuclear Energy and Safety Division, Paul Scherrer Institut (PSI), Villigen PSI 5232, Switzerland
| | - Ralf Kapulla
- Nuclear Energy and Safety Division, Paul Scherrer Institut (PSI), Villigen PSI 5232, Switzerland
| | - Stephan Kelm
- Forschungszentrum Jülich GmbH, Institute of Energy and Climate Research (IEK), Nuclear Waste Management and Reactor Safety (IEK-6), Jülich 52425, Germany
| | - Domenico Paladino
- Nuclear Energy and Safety Division, Paul Scherrer Institut (PSI), Villigen PSI 5232, Switzerland
| | - Sidharth Paranjape
- Nuclear Energy and Safety Division, Paul Scherrer Institut (PSI), Villigen PSI 5232, Switzerland
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Andreani M, Gaikwad AJ, Ganju S, Gera B, Grigoryev S, Herranz LE, Huhtanen R, Kale V, Kanaev A, Kapulla R, Kelm S, Kim J, Nishimura T, Paladino D, Paranjape S, Schramm B, Sharabi M, Shen F, Wei B, Yan D, Zhang R. Synthesis of a CFD benchmark exercise based on a test in the PANDA facility addressing the stratification erosion by a vertical jet in presence of a flow obstruction. NUCLEAR ENGINEERING AND DESIGN 2019. [DOI: 10.1016/j.nucengdes.2019.110177] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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16
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Zhang H, Li Y, Xiao J, Travis JR, Jordan T. Numerical study of the stratification erosion benchmark for NPPs containment using CFD code GASFLOW-MPI. ANN NUCL ENERGY 2019. [DOI: 10.1016/j.anucene.2019.04.033] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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17
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Na YS, Lee W, Song S. Behavior of the Density Interface of Helium Stratification by an Impinging Jet. NUCL TECHNOL 2019. [DOI: 10.1080/00295450.2019.1657328] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Y. S. Na
- Korea Atomic Energy Research Institute, 989-111 Daedeok-daero, Daejeon 34057, Korea
| | - W. Lee
- Hanyang University, 222 Wangsimni-ro, Seoul 04763, Korea
| | - S. Song
- Hanyang University, 222 Wangsimni-ro, Seoul 04763, Korea
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Kelm S, Müller H, Allelein HJ. A Review of the CFD Modeling Progress Triggered by ISP-47 on Containment Thermal Hydraulics. NUCL SCI ENG 2018. [DOI: 10.1080/00295639.2018.1503858] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- S. Kelm
- Forschungszentrum Juelich GmbH, Juelich 52425, Germany
| | - H. Müller
- RWTH Aachen University, Aachen 52080, Germany
| | - H.-J. Allelein
- Forschungszentrum Juelich GmbH, Juelich 52425, Germany
- RWTH Aachen University, Aachen 52080, Germany
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Abe S, Studer E, Ishigaki M, Sibamoto Y, Yonomoto T. Stratification breakup by a diffuse buoyant jet: The MISTRA HM1-1 and 1-1bis experiments and their CFD analysis. NUCLEAR ENGINEERING AND DESIGN 2018. [DOI: 10.1016/j.nucengdes.2018.01.050] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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20
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Wang S, Wang Y, Zhuo W, Niu F, Yu Y, Guo Z, Shen Y, Chen W, Jiang X. Experimental analysis of steam mixing and thermal stratification phenomena related to small steel containment studies. ANN NUCL ENERGY 2017. [DOI: 10.1016/j.anucene.2017.05.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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21
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Ishay L, Bieder U, Ziskind G, Rashkovan A. Nozzle Geometry Effect on Stratified Layer Erosion by Vertical Turbulent Jet. JOURNAL OF NUCLEAR ENGINEERING AND RADIATION SCIENCE 2017. [DOI: 10.1115/1.4035693] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Knowledge of the nuclear power plants (NPPs) containment atmosphere composition in the course of a severe accident is crucial for the effective design and positioning of the hydrogen explosion countermeasures. This composition strongly depends on containment flows which may include turbulent jet mixing in the presence of buoyancy, jet impingement onto the stratified layer, stable stratification layer erosion, steam condensation on the walls of the containment, condensation by emergency spray systems and other processes. Thus, in modeling of containment flows, it is essential to correctly predict these effects. In particular, a proper prediction of the turbulent jet behavior before it reaches the stably stratified layer is critical for the correct prediction of its mixing and impingement. Accordingly, validation study is presented for free neutral and buoyancy-affected turbulent jets, based on well-known experimental results from the literature. This study allows for the choice of a proper turbulence model to be applied for containment flow simulations. Furthermore, the jet behavior strongly depends on the issuing geometry. A comparative study of erosion process for the conditions similar to the ones of international benchmark exercise (IBE-3) is presented for different jet nozzle shapes.
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Affiliation(s)
- L. Ishay
- Heat Transfer Laboratory, Department of Mechanical Engineering, Ben-Gurion University of the Negev, P.O.B. 653, Beer-Sheva 84105, Israel
| | - U. Bieder
- CEA, DEN/SAC/DANS/DM2S/STMF/LMSF, Gif sur Yvette 91191, France
| | - G. Ziskind
- Heat Transfer Laboratory, Department of Mechanical Engineering, Ben-Gurion University of the Negev, P.O.B. 653, Beer-Sheva 84105, Israel
| | - A. Rashkovan
- Physics Department, NRCN, P.O.B. 9001, Beer-Sheva 84190, Israel e-mail:
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Erosion of a confined stratified layer by a vertical jet – Detailed assessment of a CFD approach against the OECD/NEA PSI benchmark. NUCLEAR ENGINEERING AND DESIGN 2017. [DOI: 10.1016/j.nucengdes.2016.09.014] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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23
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Hoyes J, Ivings M. CFD modelling of hydrogen stratification in enclosures: Model validation and application to PAR performance. NUCLEAR ENGINEERING AND DESIGN 2016. [DOI: 10.1016/j.nucengdes.2016.08.036] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Paladino D, Andreani M, Guentay S, Mignot G, Kapulla R, Paranjape S, Sharabi M, Kisselev A, Yudina T, Filippov A, Kamnev M, Khizbullin A, Tyurikov O, Liang Z(R, Abdo D, Brinster J, Dabbene F, Kelm S, Klauck M, Götz L, Gehr R, Malet J, Bentaib A, Bleyer A, Lemaitre P, Porcheron E, Benz S, Jordan T, Xu Z, Boyd C, Siccama A, Visser D. Outcomes from the EURATOM–ROSATOM ERCOSAM SAMARA projects on containment thermal-hydraulics for severe accident management. NUCLEAR ENGINEERING AND DESIGN 2016. [DOI: 10.1016/j.nucengdes.2016.08.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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25
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Experimental and numerical study on density stratification erosion phenomena with a vertical buoyant jet in a small vessel. NUCLEAR ENGINEERING AND DESIGN 2016. [DOI: 10.1016/j.nucengdes.2016.03.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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26
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Application of the MiniPanda test case ‘erosion of a stratified layer by a vertical jet’ for CFD validation. NUCLEAR ENGINEERING AND DESIGN 2016. [DOI: 10.1016/j.nucengdes.2015.08.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Andreani M, Badillo A, Kapulla R. Synthesis of the OECD/NEA-PSI CFD benchmark exercise. NUCLEAR ENGINEERING AND DESIGN 2016. [DOI: 10.1016/j.nucengdes.2015.12.029] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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28
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The studies of mixing and thermal stratification in SMR containments. NUCLEAR ENGINEERING AND DESIGN 2016. [DOI: 10.1016/j.nucengdes.2015.11.018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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29
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Turbulent jet erosion of a stably stratified gas layer in a nuclear reactor test containment. NUCLEAR ENGINEERING AND DESIGN 2015. [DOI: 10.1016/j.nucengdes.2015.06.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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30
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Abe S, Ishigaki M, Sibamoto Y, Yonomoto T. RANS analyses on erosion behavior of density stratification consisted of helium–air mixture gas by a low momentum vertical buoyant jet in the PANDA test facility, the third international benchmark exercise (IBE-3). NUCLEAR ENGINEERING AND DESIGN 2015. [DOI: 10.1016/j.nucengdes.2015.04.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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31
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Application of a CFD based containment model to different large-scale hydrogen distribution experiments. NUCLEAR ENGINEERING AND DESIGN 2014. [DOI: 10.1016/j.nucengdes.2014.08.005] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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