Thermal behavior of silica aerogel-paraffin nanocomposites in a nanochannel under varying magnetic fields: A molecular dynamics study
The demand for efficient energy conservation methods is growing amid rising fuel costs and greenhouse gas emissions. Phase change materials are essential for thermal energy storage, and silica aerogels, when combined with these materials, are particularly effective for insulation. This study present...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-02-01
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| Series: | Case Studies in Thermal Engineering |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2214157X25000383 |
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| author | Yi Ru Ali B.M. Ali Shahram Babadoust Rasha Abed Hussein Mohammed Al-Bahrani Barno Abdullaeva Soheil Salahshour S. Mohammad Sajadi Sh Esmaeili |
| author_facet | Yi Ru Ali B.M. Ali Shahram Babadoust Rasha Abed Hussein Mohammed Al-Bahrani Barno Abdullaeva Soheil Salahshour S. Mohammad Sajadi Sh Esmaeili |
| author_sort | Yi Ru |
| collection | DOAJ |
| description | The demand for efficient energy conservation methods is growing amid rising fuel costs and greenhouse gas emissions. Phase change materials are essential for thermal energy storage, and silica aerogels, when combined with these materials, are particularly effective for insulation. This study presented a novel analysis of how various magnetic field strengths (ranging from 0 to 0.5 T) affected the thermal behavior of a nanostructure composed of silica aerogel, paraffin, and CuO nanoparticles in a cylindrical tube. Using molecular dynamics simulations, we examined the magnetic field's effect on key thermal properties, including density, temperature, heat flux, thermal conductivity, and the charging and discharging times. Results indicate that increasing the magnetic field strength to 0.5 T led to a decrease in maximum density from 0.1385 to 0.1372 atoms/ų. Additionally, the maximum velocity increased to 0.0142 Å/fs, while the maximum temperature and heat flux rose to 646 K and 72.13 W/m2, respectively. The observed charging and discharging times were 5.91 ns and 8.52 ns, with stronger magnetic fields expediting the charging phase. These findings offer valuable insights into optimizing thermal energy storage systems through magnetic field modulation. |
| format | Article |
| id | doaj-art-ae77e99c5a1d40d8b252fe6bcc979297 |
| institution | Kabale University |
| issn | 2214-157X |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Case Studies in Thermal Engineering |
| spelling | doaj-art-ae77e99c5a1d40d8b252fe6bcc9792972025-02-02T05:27:26ZengElsevierCase Studies in Thermal Engineering2214-157X2025-02-0166105778Thermal behavior of silica aerogel-paraffin nanocomposites in a nanochannel under varying magnetic fields: A molecular dynamics studyYi Ru0Ali B.M. Ali1Shahram Babadoust2Rasha Abed Hussein3Mohammed Al-Bahrani4Barno Abdullaeva5Soheil Salahshour6S. Mohammad Sajadi7Sh Esmaeili8Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, Ontario, Canada. M5S 3G8, Canada; Corresponding author.Air Conditioning Engineering Department, College of Engineering, University of Warith Al-Anbiyaa, Karbala, IraqDepartment of Medical Biochemical Analysis, Cihan University-Erbil, Erbil, Kurdistan Region, IraqDepartment of Dentistry, Al-Manara College for Medical Sciences, Amarah, Maysan, IraqChemical Engineering and Petroleum Industries Department, Al-Mustaqbal University, Babylon, 51001, IraqDepartment of Mathematics and Information Technologies, Vice-Rector for Scientific Affairs, Tashkent State Pedagogical University, Tashkent, UzbekistanFaculty of Engineering and Natural Sciences, Istanbul Okan University, Istanbul, Turkey; Faculty of Engineering and Natural Sciences, Bahcesehir University, Istanbul, Turkey; Faculty of Science and Letters, Piri Reis University, Tuzla, Istanbul, TurkeyDepartment of Chemistry, Payam e Noor University, Saqqez Branch, Saqqez, Kurdistan, IranFaculty of Physics, Semnan University, P.O. Box: 35195-363, Semnan, IranThe demand for efficient energy conservation methods is growing amid rising fuel costs and greenhouse gas emissions. Phase change materials are essential for thermal energy storage, and silica aerogels, when combined with these materials, are particularly effective for insulation. This study presented a novel analysis of how various magnetic field strengths (ranging from 0 to 0.5 T) affected the thermal behavior of a nanostructure composed of silica aerogel, paraffin, and CuO nanoparticles in a cylindrical tube. Using molecular dynamics simulations, we examined the magnetic field's effect on key thermal properties, including density, temperature, heat flux, thermal conductivity, and the charging and discharging times. Results indicate that increasing the magnetic field strength to 0.5 T led to a decrease in maximum density from 0.1385 to 0.1372 atoms/ų. Additionally, the maximum velocity increased to 0.0142 Å/fs, while the maximum temperature and heat flux rose to 646 K and 72.13 W/m2, respectively. The observed charging and discharging times were 5.91 ns and 8.52 ns, with stronger magnetic fields expediting the charging phase. These findings offer valuable insights into optimizing thermal energy storage systems through magnetic field modulation.http://www.sciencedirect.com/science/article/pii/S2214157X25000383Phase change materialsSilica aerogelParaffinNanoparticlesMolecular dynamics simulationMagnetic field |
| spellingShingle | Yi Ru Ali B.M. Ali Shahram Babadoust Rasha Abed Hussein Mohammed Al-Bahrani Barno Abdullaeva Soheil Salahshour S. Mohammad Sajadi Sh Esmaeili Thermal behavior of silica aerogel-paraffin nanocomposites in a nanochannel under varying magnetic fields: A molecular dynamics study Case Studies in Thermal Engineering Phase change materials Silica aerogel Paraffin Nanoparticles Molecular dynamics simulation Magnetic field |
| title | Thermal behavior of silica aerogel-paraffin nanocomposites in a nanochannel under varying magnetic fields: A molecular dynamics study |
| title_full | Thermal behavior of silica aerogel-paraffin nanocomposites in a nanochannel under varying magnetic fields: A molecular dynamics study |
| title_fullStr | Thermal behavior of silica aerogel-paraffin nanocomposites in a nanochannel under varying magnetic fields: A molecular dynamics study |
| title_full_unstemmed | Thermal behavior of silica aerogel-paraffin nanocomposites in a nanochannel under varying magnetic fields: A molecular dynamics study |
| title_short | Thermal behavior of silica aerogel-paraffin nanocomposites in a nanochannel under varying magnetic fields: A molecular dynamics study |
| title_sort | thermal behavior of silica aerogel paraffin nanocomposites in a nanochannel under varying magnetic fields a molecular dynamics study |
| topic | Phase change materials Silica aerogel Paraffin Nanoparticles Molecular dynamics simulation Magnetic field |
| url | http://www.sciencedirect.com/science/article/pii/S2214157X25000383 |
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