Pool boiling of Novec-649 on minichannels filled with copper foam
The article describes the experimental investigation of pool boiling heat transfer on minichannels with filling in the form of porous structure (copper foam). The results were compared with the data for a smooth surface and the minichannels without additional fillings. Tests were carried out for the...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
EDP Sciences
2022-01-01
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| Series: | EPJ Web of Conferences |
| Online Access: | https://www.epj-conferences.org/articles/epjconf/pdf/2022/08/epjconf_efm2022_01028.pdf |
| _version_ | 1811225497527386112 |
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| author | Pastuszko Robert Dadas Norbert Kaniowski Robert |
| author_facet | Pastuszko Robert Dadas Norbert Kaniowski Robert |
| author_sort | Pastuszko Robert |
| collection | DOAJ |
| description | The article describes the experimental investigation of pool boiling heat transfer on minichannels with filling in the form of porous structure (copper foam). The results were compared with the data for a smooth surface and the minichannels without additional fillings. Tests were carried out for the boiling liquid Novec-649. Surfaces partially filled with porous structure were formed by inserting pieces of copper foam into the minichannels of 5 mm in depth and 1 mm width. Minichannels completely filled with copper foam formed the surface of MCC-F. The measurements were made with an increase in heat flux. The heat transfer coefficient obtained was four times higher than for the smooth surface. Additional foam fillings increased the heat transfer coefficient and reduced superheat for heat fluxes less than 100 kW/m2. Visualisation was made using a high-speed camera which allowed to determine the diameters of the growing bubble. |
| first_indexed | 2024-04-12T09:07:07Z |
| format | Article |
| id | doaj.art-60f27fd8cd734a4499f51c12c312e21e |
| institution | Directory Open Access Journal |
| issn | 2100-014X |
| language | English |
| last_indexed | 2024-04-12T09:07:07Z |
| publishDate | 2022-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | EPJ Web of Conferences |
| spelling | doaj.art-60f27fd8cd734a4499f51c12c312e21e2022-12-22T03:39:03ZengEDP SciencesEPJ Web of Conferences2100-014X2022-01-012640102810.1051/epjconf/202226401028epjconf_efm2022_01028Pool boiling of Novec-649 on minichannels filled with copper foamPastuszko Robert0Dadas Norbert1Kaniowski Robert2Kielce University of Technology, Faculty of Mechatronics and Mechanical EngineeringKielce University of Technology, Faculty of Mechatronics and Mechanical EngineeringKielce University of Technology, Faculty of Mechatronics and Mechanical EngineeringThe article describes the experimental investigation of pool boiling heat transfer on minichannels with filling in the form of porous structure (copper foam). The results were compared with the data for a smooth surface and the minichannels without additional fillings. Tests were carried out for the boiling liquid Novec-649. Surfaces partially filled with porous structure were formed by inserting pieces of copper foam into the minichannels of 5 mm in depth and 1 mm width. Minichannels completely filled with copper foam formed the surface of MCC-F. The measurements were made with an increase in heat flux. The heat transfer coefficient obtained was four times higher than for the smooth surface. Additional foam fillings increased the heat transfer coefficient and reduced superheat for heat fluxes less than 100 kW/m2. Visualisation was made using a high-speed camera which allowed to determine the diameters of the growing bubble.https://www.epj-conferences.org/articles/epjconf/pdf/2022/08/epjconf_efm2022_01028.pdf |
| spellingShingle | Pastuszko Robert Dadas Norbert Kaniowski Robert Pool boiling of Novec-649 on minichannels filled with copper foam EPJ Web of Conferences |
| title | Pool boiling of Novec-649 on minichannels filled with copper foam |
| title_full | Pool boiling of Novec-649 on minichannels filled with copper foam |
| title_fullStr | Pool boiling of Novec-649 on minichannels filled with copper foam |
| title_full_unstemmed | Pool boiling of Novec-649 on minichannels filled with copper foam |
| title_short | Pool boiling of Novec-649 on minichannels filled with copper foam |
| title_sort | pool boiling of novec 649 on minichannels filled with copper foam |
| url | https://www.epj-conferences.org/articles/epjconf/pdf/2022/08/epjconf_efm2022_01028.pdf |
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