Numerical study of heat transfer in rectangular channels with single pin fin and pin fin-dimple
Evaluation of the heat transfer and hydraulic performance of a new pin fin-dimple cooling system in a rectangular channel shows its advantage. The performance are compared with the pin fin system ones with 3-D Reynolds averaged Navier-Stokes (RANS) equations. The fluid flow and heat transfer analysi...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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EDP Sciences
2019-01-01
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| Series: | E3S Web of Conferences |
| Online Access: | https://www.e3s-conferences.org/articles/e3sconf/pdf/2019/50/e3sconf_ses18_01010.pdf |
| _version_ | 1819161496155848704 |
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| author | Rogalev A. N. Rogalev N. D. Kindra V. O. Osipov S. K. Zonov A. S. |
| author_facet | Rogalev A. N. Rogalev N. D. Kindra V. O. Osipov S. K. Zonov A. S. |
| author_sort | Rogalev A. N. |
| collection | DOAJ |
| description | Evaluation of the heat transfer and hydraulic performance of a new pin fin-dimple cooling system in a rectangular channel shows its advantage. The performance are compared with the pin fin system ones with 3-D Reynolds averaged Navier-Stokes (RANS) equations. The fluid flow and heat transfer analysis for the Reynolds numbers from 8000 to 70000 involved the shear stress transport turbulence model. The new system forms a high-intensity vortex around the pin fin-dimple that increases the near-wall turbulent mixing level that intensifies the heat transfer. The calculation results indicate increases of the averaged Nusselt number and the averaged friction factor of 7–13% and 7–12% respectively against the pin fin. |
| first_indexed | 2024-12-22T17:13:16Z |
| format | Article |
| id | doaj.art-f9c57073a3ed427f8994887b33117d74 |
| institution | Directory Open Access Journal |
| issn | 2267-1242 |
| language | English |
| last_indexed | 2024-12-22T17:13:16Z |
| publishDate | 2019-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | E3S Web of Conferences |
| spelling | doaj.art-f9c57073a3ed427f8994887b33117d742022-12-21T18:19:00ZengEDP SciencesE3S Web of Conferences2267-12422019-01-011240101010.1051/e3sconf/201912401010e3sconf_ses18_01010Numerical study of heat transfer in rectangular channels with single pin fin and pin fin-dimpleRogalev A. N.0Rogalev N. D.1Kindra V. O.2Osipov S. K.3Zonov A. S.4National Research University “Moscow Power Engineering Institute”National Research University “Moscow Power Engineering Institute”National Research University “Moscow Power Engineering Institute”National Research University “Moscow Power Engineering Institute”National Research University “Moscow Power Engineering Institute”Evaluation of the heat transfer and hydraulic performance of a new pin fin-dimple cooling system in a rectangular channel shows its advantage. The performance are compared with the pin fin system ones with 3-D Reynolds averaged Navier-Stokes (RANS) equations. The fluid flow and heat transfer analysis for the Reynolds numbers from 8000 to 70000 involved the shear stress transport turbulence model. The new system forms a high-intensity vortex around the pin fin-dimple that increases the near-wall turbulent mixing level that intensifies the heat transfer. The calculation results indicate increases of the averaged Nusselt number and the averaged friction factor of 7–13% and 7–12% respectively against the pin fin.https://www.e3s-conferences.org/articles/e3sconf/pdf/2019/50/e3sconf_ses18_01010.pdf |
| spellingShingle | Rogalev A. N. Rogalev N. D. Kindra V. O. Osipov S. K. Zonov A. S. Numerical study of heat transfer in rectangular channels with single pin fin and pin fin-dimple E3S Web of Conferences |
| title | Numerical study of heat transfer in rectangular channels with single pin fin and pin fin-dimple |
| title_full | Numerical study of heat transfer in rectangular channels with single pin fin and pin fin-dimple |
| title_fullStr | Numerical study of heat transfer in rectangular channels with single pin fin and pin fin-dimple |
| title_full_unstemmed | Numerical study of heat transfer in rectangular channels with single pin fin and pin fin-dimple |
| title_short | Numerical study of heat transfer in rectangular channels with single pin fin and pin fin-dimple |
| title_sort | numerical study of heat transfer in rectangular channels with single pin fin and pin fin dimple |
| url | https://www.e3s-conferences.org/articles/e3sconf/pdf/2019/50/e3sconf_ses18_01010.pdf |
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