Thermal analysis of disk-type transformer winding immersed in nanofluids using mixture and Eulerian–Lagrangian approach
A transformer plays a key role in the distribution network, and its overall performance is significantly affected by windings cooling. This paper presents a numerical study regarding the cooling of a disk-type winding in the presence of nanoparticles using single and mixture models to improve the th...
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| Veröffentlicht in: | Journal of the Brazilian Society of Mechanical Sciences and Engineering 2022-05, Vol.44 (5), Article 175 |
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| creator | Taheri, Ali Asghar Maboudi, Ali Khavasi, Ehsan Taghilou, Mohammad |
| description | A transformer plays a key role in the distribution network, and its overall performance is significantly affected by windings cooling. This paper presents a numerical study regarding the cooling of a disk-type winding in the presence of nanoparticles using single and mixture models to improve the thermal behavior of the transformer oil. Nanofluids are selected in two volumetric concentrations for multi-walled carbon nanotubes (MWCNT) and three volumetric concentrations of diamond nanoparticles. Results demonstrate that the nanofluids decrease the temperature of the disks so that the diamond nanoparticles with a volumetric concentration of 0.05% reduce the average disk temperature by about 2 °C. The Lagrangian particle tracking method is also used to study particle sediments, which shows that about 7% of nanoparticles are deposited. Finally, it is shown that the thermal performance of nanofluids in overload improves with increasing load. |
| doi_str_mv | 10.1007/s40430-022-03475-1 |
| format | Article |
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This paper presents a numerical study regarding the cooling of a disk-type winding in the presence of nanoparticles using single and mixture models to improve the thermal behavior of the transformer oil. Nanofluids are selected in two volumetric concentrations for multi-walled carbon nanotubes (MWCNT) and three volumetric concentrations of diamond nanoparticles. Results demonstrate that the nanofluids decrease the temperature of the disks so that the diamond nanoparticles with a volumetric concentration of 0.05% reduce the average disk temperature by about 2 °C. The Lagrangian particle tracking method is also used to study particle sediments, which shows that about 7% of nanoparticles are deposited. 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Soc. Mech. Sci. Eng</addtitle><description>A transformer plays a key role in the distribution network, and its overall performance is significantly affected by windings cooling. This paper presents a numerical study regarding the cooling of a disk-type winding in the presence of nanoparticles using single and mixture models to improve the thermal behavior of the transformer oil. Nanofluids are selected in two volumetric concentrations for multi-walled carbon nanotubes (MWCNT) and three volumetric concentrations of diamond nanoparticles. Results demonstrate that the nanofluids decrease the temperature of the disks so that the diamond nanoparticles with a volumetric concentration of 0.05% reduce the average disk temperature by about 2 °C. The Lagrangian particle tracking method is also used to study particle sediments, which shows that about 7% of nanoparticles are deposited. Finally, it is shown that the thermal performance of nanofluids in overload improves with increasing load.</description><subject>Coils (windings)</subject><subject>Cooling</subject><subject>Diamonds</subject><subject>Disks</subject><subject>Engineering</subject><subject>Mechanical Engineering</subject><subject>Mixtures</subject><subject>Multi wall carbon nanotubes</subject><subject>Nanofluids</subject><subject>Nanoparticles</subject><subject>Nanoparticles and Passive-Enhancement Methods in Energy</subject><subject>Particle tracking</subject><subject>Sediments</subject><subject>Technical Paper</subject><subject>Thermal analysis</subject><subject>Thermodynamic properties</subject><subject>Transformers</subject><subject>Winding</subject><issn>1678-5878</issn><issn>1806-3691</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp9kE1OwzAQhSMEEqVwAVaWWBv8GztLVJUfqRKbsrbc2EldEifYiSA77sANOQkuRWLHamY0732jeVl2idE1RkjcRIYYRRARAhFlgkN8lM2wRDmkeYGPU58LCbkU8jQ7i3GHECU857NsWm9taHUDtNfNFF0EXQWMiy9wmHoLhqB9rLrQ2gDenDfO18C1aYrWAOeB176rmtGZCMa4X7bufRiDTTgDlmNjg9P-6-NzpetEqtMAdN-HTpfb8-yk0k20F791nj3fLdeLB7h6un9c3K5gSXExQEMEJcKgglCMZFkyRJih2gpesY01hRSFsNhwJCU12jJBueGsqCwtDN2UFZ1nVwduOvs62jioXTeG9G1UJGeSc8KQTCpyUJWhizHYSvXBtTpMCiO1j1gdIlYpYvUTscLJRA-mmMS-tuEP_Y_rGx05ggw</recordid><startdate>20220501</startdate><enddate>20220501</enddate><creator>Taheri, Ali Asghar</creator><creator>Maboudi, Ali</creator><creator>Khavasi, Ehsan</creator><creator>Taghilou, Mohammad</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0002-8112-3090</orcidid><orcidid>https://orcid.org/0000-0001-7543-9809</orcidid></search><sort><creationdate>20220501</creationdate><title>Thermal analysis of disk-type transformer winding immersed in nanofluids using mixture and Eulerian–Lagrangian approach</title><author>Taheri, Ali Asghar ; Maboudi, Ali ; Khavasi, Ehsan ; Taghilou, Mohammad</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-d27327d0923108cc4024d3ae75f4bed98797e1d50883dae4735d549fe39d3bcf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Coils (windings)</topic><topic>Cooling</topic><topic>Diamonds</topic><topic>Disks</topic><topic>Engineering</topic><topic>Mechanical Engineering</topic><topic>Mixtures</topic><topic>Multi wall carbon nanotubes</topic><topic>Nanofluids</topic><topic>Nanoparticles</topic><topic>Nanoparticles and Passive-Enhancement Methods in Energy</topic><topic>Particle tracking</topic><topic>Sediments</topic><topic>Technical Paper</topic><topic>Thermal analysis</topic><topic>Thermodynamic properties</topic><topic>Transformers</topic><topic>Winding</topic><toplevel>online_resources</toplevel><creatorcontrib>Taheri, Ali Asghar</creatorcontrib><creatorcontrib>Maboudi, Ali</creatorcontrib><creatorcontrib>Khavasi, Ehsan</creatorcontrib><creatorcontrib>Taghilou, Mohammad</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of the Brazilian Society of Mechanical Sciences and Engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Taheri, Ali Asghar</au><au>Maboudi, Ali</au><au>Khavasi, Ehsan</au><au>Taghilou, Mohammad</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Thermal analysis of disk-type transformer winding immersed in nanofluids using mixture and Eulerian–Lagrangian approach</atitle><jtitle>Journal of the Brazilian Society of Mechanical Sciences and Engineering</jtitle><stitle>J Braz. Soc. Mech. Sci. Eng</stitle><date>2022-05-01</date><risdate>2022</risdate><volume>44</volume><issue>5</issue><artnum>175</artnum><issn>1678-5878</issn><eissn>1806-3691</eissn><abstract>A transformer plays a key role in the distribution network, and its overall performance is significantly affected by windings cooling. This paper presents a numerical study regarding the cooling of a disk-type winding in the presence of nanoparticles using single and mixture models to improve the thermal behavior of the transformer oil. Nanofluids are selected in two volumetric concentrations for multi-walled carbon nanotubes (MWCNT) and three volumetric concentrations of diamond nanoparticles. Results demonstrate that the nanofluids decrease the temperature of the disks so that the diamond nanoparticles with a volumetric concentration of 0.05% reduce the average disk temperature by about 2 °C. 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| language | eng |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Coils (windings) Cooling Diamonds Disks Engineering Mechanical Engineering Mixtures Multi wall carbon nanotubes Nanofluids Nanoparticles Nanoparticles and Passive-Enhancement Methods in Energy Particle tracking Sediments Technical Paper Thermal analysis Thermodynamic properties Transformers Winding |
| title | Thermal analysis of disk-type transformer winding immersed in nanofluids using mixture and Eulerian–Lagrangian approach |
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