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Mixing process of two-phase non-Newtonian fluids in 2D using smoothed particle hydrodynamicsAbdolahzadeh, Mohsen ; Tayebi, Ali ; Omidvar, PouryaNumerical simulation of mixing process in mixers is a complicated problem due to geometries that include moving parts and sharp corners. Grid-based numerical methods have considerable accuracy in ... simulating mechanical phenomena; however, these methods encounter problems in dealing with deformable boundaries, moving interfaces and extremely large deformations. Smoothed Particle Hydrodynamics (SPH) which is a fully Lagrangian particle-based method, does not suffer from the problems related to grid regenerating. In this research, the mixing process for Newtonian and non-Newtonian fluids in circular and elliptical one-blade and two-blade blenders is simulated using the SPH method. After validating the computational code, the mixing process is simulated in different conditions. The effects of geometry of mixer, the number of blades and the rotating modes of the blades, on the mixing performance are investigated. The results show that at the end of the mixing process, the one-blade circular mixer has the best performance; however, during a certain time interval of the mixing process (this interval depends on the type of mixer), the other mixers have better performance than that of the one-blade circular mixer. Therefore, if the time of the mixing process is limited (achieving a certain degree of homogeneity in a limited time), choosing the right kind of mixer, which has the best performance at the desired time, is very crucial.Source: Computers & mathematics with applications. - ISSN 0898-1221 (Vol. 78, iss. 1, Jul. 2019, str. 110-122)Type of material - article, component partPublish date - 2019Language - englishCOBISS.SI-ID - 120154371
Author
Abdolahzadeh, Mohsen |
Tayebi, Ali |
Omidvar, Pourya
Topics
mixing process |
non-Newtonian fluid |
SPH |
micro mixers |
postopek mešanja |
ne-newtonska tekočina |
SPH |
mikro mešalniki
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source: Computers & mathematics with applications. - ISSN 0898-1221 (Vol. 78, iss. 1, Jul. 2019, str. 110-122)
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Abdolahzadeh, Mohsen | 55742 |
Tayebi, Ali | ![]() |
Omidvar, Pourya | ![]() |
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