Numerical Study of Ferrofluid Forced Convection Heat Transfer in Tube with Magnetic Field
This research study presents a numerical study on forced convection heat transfer of an aqueous ferrofluid passing through a circular copper tube in the presence of an alternating magnetic field. The flow passes through the tube under a uniform heat flux and laminar flow conditions. The primary obje...
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| Format: | Article |
| Language: | fas |
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Isfahan University of Technology
2015-07-01
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| Series: | Ravish/hā-yi ̒adadī dar Muhandisī |
| Subjects: | |
| Online Access: | http://jcme.iut.ac.ir/browse.php?a_code=A-10-24-110&slc_lang=en&sid=1 |
| _version_ | 1818551621090541568 |
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| author | M. Falsafi H. Kargarsharifabad |
| author_facet | M. Falsafi H. Kargarsharifabad |
| author_sort | M. Falsafi |
| collection | DOAJ |
| description | This research study presents a numerical study on forced convection heat transfer of an aqueous ferrofluid passing through a circular copper tube in the presence of an alternating magnetic field. The flow passes through the tube under a uniform heat flux and laminar flow conditions. The primary objective was to intensify the particle migration and disturbance of the boundary layer by utilizing the magnetic field effect on the nanoparticles for more heat transfer enhancement. Complicated convection regimes caused by interactions between magnetic nanoparticles under various conditions were studied. The process of heat transfer was examined with different volume concentrations and under different frequencies of the applied magnetic field in detail. The convective heat transfer coefficient for distilled water and ferrofluid was measured and compared under various conditions. The results showed that applying an alternating magnetic field can enhance the convective heat transfer rate. The effects of magnetic field, volume concentration and Reynolds Number on the convective heat transfer coefficient were widely investigated, and the optimum conditions were obtained. Increasing the alternating magnetic field frequency and the volume fraction led to better heat transfer enhancement. The effect of the magnetic field in low Reynolds numbers was higher. The results showed that the modeling data were in a very good agreement with experimental data. The maximum error was around 10%. |
| first_indexed | 2024-12-12T09:02:19Z |
| format | Article |
| id | doaj.art-dc64bca073fb41909ec96272ad0e05a7 |
| institution | Directory Open Access Journal |
| issn | 2228-7698 2423-5741 |
| language | fas |
| last_indexed | 2024-12-12T09:02:19Z |
| publishDate | 2015-07-01 |
| publisher | Isfahan University of Technology |
| record_format | Article |
| series | Ravish/hā-yi ̒adadī dar Muhandisī |
| spelling | doaj.art-dc64bca073fb41909ec96272ad0e05a72022-12-22T00:29:48ZfasIsfahan University of TechnologyRavish/hā-yi ̒adadī dar Muhandisī2228-76982423-57412015-07-013411125Numerical Study of Ferrofluid Forced Convection Heat Transfer in Tube with Magnetic FieldM. Falsafi0H. Kargarsharifabad1 This research study presents a numerical study on forced convection heat transfer of an aqueous ferrofluid passing through a circular copper tube in the presence of an alternating magnetic field. The flow passes through the tube under a uniform heat flux and laminar flow conditions. The primary objective was to intensify the particle migration and disturbance of the boundary layer by utilizing the magnetic field effect on the nanoparticles for more heat transfer enhancement. Complicated convection regimes caused by interactions between magnetic nanoparticles under various conditions were studied. The process of heat transfer was examined with different volume concentrations and under different frequencies of the applied magnetic field in detail. The convective heat transfer coefficient for distilled water and ferrofluid was measured and compared under various conditions. The results showed that applying an alternating magnetic field can enhance the convective heat transfer rate. The effects of magnetic field, volume concentration and Reynolds Number on the convective heat transfer coefficient were widely investigated, and the optimum conditions were obtained. Increasing the alternating magnetic field frequency and the volume fraction led to better heat transfer enhancement. The effect of the magnetic field in low Reynolds numbers was higher. The results showed that the modeling data were in a very good agreement with experimental data. The maximum error was around 10%.http://jcme.iut.ac.ir/browse.php?a_code=A-10-24-110&slc_lang=en&sid=1Ferrofluid nanoparticles convective heat transfer alternating magnetic field. |
| spellingShingle | M. Falsafi H. Kargarsharifabad Numerical Study of Ferrofluid Forced Convection Heat Transfer in Tube with Magnetic Field Ravish/hā-yi ̒adadī dar Muhandisī Ferrofluid nanoparticles convective heat transfer alternating magnetic field. |
| title | Numerical Study of Ferrofluid Forced Convection Heat Transfer in Tube with Magnetic Field |
| title_full | Numerical Study of Ferrofluid Forced Convection Heat Transfer in Tube with Magnetic Field |
| title_fullStr | Numerical Study of Ferrofluid Forced Convection Heat Transfer in Tube with Magnetic Field |
| title_full_unstemmed | Numerical Study of Ferrofluid Forced Convection Heat Transfer in Tube with Magnetic Field |
| title_short | Numerical Study of Ferrofluid Forced Convection Heat Transfer in Tube with Magnetic Field |
| title_sort | numerical study of ferrofluid forced convection heat transfer in tube with magnetic field |
| topic | Ferrofluid nanoparticles convective heat transfer alternating magnetic field. |
| url | http://jcme.iut.ac.ir/browse.php?a_code=A-10-24-110&slc_lang=en&sid=1 |
| work_keys_str_mv | AT mfalsafi numericalstudyofferrofluidforcedconvectionheattransferintubewithmagneticfield AT hkargarsharifabad numericalstudyofferrofluidforcedconvectionheattransferintubewithmagneticfield |