Fluid Flow and Effect of Turbulence Model on Large-Sized Triple-Offset Butterfly Valve
The performance a valve has been frequently estimated with numerical methods owing to limitations such as cost and place. In this study, for the triple-offset butterfly valves, the different sizes in various disc-opening cases was numerically conducted using different turbulence models of the two-eq...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Isfahan University of Technology
2023-10-01
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| Series: | Journal of Applied Fluid Mechanics |
| Subjects: | |
| Online Access: | https://www.jafmonline.net/article_2308_8eeff7aa9b611efb0b36545be90ab78e.pdf |
| _version_ | 1797663441744297984 |
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| author | M. S. Kim H. S. Seong J. H. Yang S. W. Lee S. W. Choi |
| author_facet | M. S. Kim H. S. Seong J. H. Yang S. W. Lee S. W. Choi |
| author_sort | M. S. Kim |
| collection | DOAJ |
| description | The performance a valve has been frequently estimated with numerical methods owing to limitations such as cost and place. In this study, for the triple-offset butterfly valves, the different sizes in various disc-opening cases was numerically conducted using different turbulence models of the two-equation turbulence models of k–ε, k-ω, and Reynolds stress model. The numerical calculations were validated against experimentally obtained valve flow test results. The numerical effect with the different turbulence models were analyzed with respect to the disc-opening cases. From the numerical analysis, the Reynolds stress model exhibits the most pronounced turbulence effects among the various turbulence models showing higher value of Reynolds normal stress near the valve disc region. The sensitivity of the turbulence model constants was examined using the 300 mm valve to observe the sensitivity of the turbulence model parameters in the two-equation turbulence models. |
| first_indexed | 2024-03-11T19:14:41Z |
| format | Article |
| id | doaj.art-ee44911fa69b4044acbada823903614c |
| institution | Directory Open Access Journal |
| issn | 1735-3572 1735-3645 |
| language | English |
| last_indexed | 2024-03-11T19:14:41Z |
| publishDate | 2023-10-01 |
| publisher | Isfahan University of Technology |
| record_format | Article |
| series | Journal of Applied Fluid Mechanics |
| spelling | doaj.art-ee44911fa69b4044acbada823903614c2023-10-09T09:02:49ZengIsfahan University of TechnologyJournal of Applied Fluid Mechanics1735-35721735-36452023-10-0116122364238010.47176/jafm.16.12.20282308Fluid Flow and Effect of Turbulence Model on Large-Sized Triple-Offset Butterfly ValveM. S. Kim0H. S. Seong1J. H. Yang2S. W. Lee3S. W. Choi4Korea Railroad Research Institute, Metropolitan Transportation Research Center, Uiwang-si, Gyeonggi-do, Republic of KoreaDH Controls Co., Ltd., Research Institute, Gangseo-gu, Busan, Republic of KoreaGyeongsang National University, Department of Mechanical System Engineering, Tongyeong-si, Gyeongsangnam-do, Republic of KoreaGyeongsang National University, Department of Mechanical System Engineering, Tongyeong-si, Gyeongsangnam-do, Republic of KoreaGyeongsang National University, Department of Mechanical System Engineering, Tongyeong-si, Gyeongsangnam-do, Republic of KoreaThe performance a valve has been frequently estimated with numerical methods owing to limitations such as cost and place. In this study, for the triple-offset butterfly valves, the different sizes in various disc-opening cases was numerically conducted using different turbulence models of the two-equation turbulence models of k–ε, k-ω, and Reynolds stress model. The numerical calculations were validated against experimentally obtained valve flow test results. The numerical effect with the different turbulence models were analyzed with respect to the disc-opening cases. From the numerical analysis, the Reynolds stress model exhibits the most pronounced turbulence effects among the various turbulence models showing higher value of Reynolds normal stress near the valve disc region. The sensitivity of the turbulence model constants was examined using the 300 mm valve to observe the sensitivity of the turbulence model parameters in the two-equation turbulence models.https://www.jafmonline.net/article_2308_8eeff7aa9b611efb0b36545be90ab78e.pdftriple-offset butterfly valvetwo-equation turbulence modelvalve flowreynolds stressturbulence constant |
| spellingShingle | M. S. Kim H. S. Seong J. H. Yang S. W. Lee S. W. Choi Fluid Flow and Effect of Turbulence Model on Large-Sized Triple-Offset Butterfly Valve Journal of Applied Fluid Mechanics triple-offset butterfly valve two-equation turbulence model valve flow reynolds stress turbulence constant |
| title | Fluid Flow and Effect of Turbulence Model on Large-Sized Triple-Offset Butterfly Valve |
| title_full | Fluid Flow and Effect of Turbulence Model on Large-Sized Triple-Offset Butterfly Valve |
| title_fullStr | Fluid Flow and Effect of Turbulence Model on Large-Sized Triple-Offset Butterfly Valve |
| title_full_unstemmed | Fluid Flow and Effect of Turbulence Model on Large-Sized Triple-Offset Butterfly Valve |
| title_short | Fluid Flow and Effect of Turbulence Model on Large-Sized Triple-Offset Butterfly Valve |
| title_sort | fluid flow and effect of turbulence model on large sized triple offset butterfly valve |
| topic | triple-offset butterfly valve two-equation turbulence model valve flow reynolds stress turbulence constant |
| url | https://www.jafmonline.net/article_2308_8eeff7aa9b611efb0b36545be90ab78e.pdf |
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