The effect of velocity and dimension of solid nanoparticles on heat transfer in non-Newtonian nanofluid |
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| Affiliation: | 1. Young Researchers and Elite Club, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr, Iran;2. Department of Mechanical Engineering, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr 84175-119, Iran;3. Department of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran;4. Department of Mechanical Engineering, Aligoudarz Branch, Islamic Azad University, Aligoudarz, Iran;1. Department of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran;2. Young Researchers and Elite Club, Mashhad Branch, Islamic Azad University, Mashhad, Iran;3. Department of Automotive and Marine Engineering Technology, College of Technological Studies, The Public Authority for Applied Education and Training, Kuwait;4. Department of Mechanical Engineering, Kermanshah University of Technology, Kermanshah, Iran;5. Division of Computational Physics, Institute for Computational Science, Ton Duc Thang University, Ho Chi Minh City, Vietnam;6. Faculty of Electrical and Electronics Engineering, Ton Duc Thang University, Ho Chi Minh City, Vietnam;7. CORIA-UMR 6614, CNRS-University & INSA of Rouen, Normandie University, Rouen 76000, France;1. Department of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran;2. Dipartimento di Ingegneria Astronautica, Elettrica ed Energetica, Facoltà di Ingegneria, Sapienza Università di Roma, Via Eudossiana, 18-00184 Rome, Italy;3. CORIA-UMR 6614, Normandie University, CNRS-University & INSA of Rouen, 76000 Rouen, France;1. School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China;2. School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China |
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| Abstract: | In this investigation, the behavior of non-Newtonian nanofluid hydrodynamic and heat transfer are simulated. In this study, we numerically simulated a laminar forced non-Newtonian nanofluid flow containing a 0.5 wt% carboxy methyl cellulose (CMC) solutionin water as the base fluid with alumina at volume fractions of 0.5 and 1.5 as the solid nanoparticle. Numerical solution was modelled in Cartesian coordinate system in a two-dimensional microchannel in Reynolds number range of 10≤Re≤1000. The analyzed geometrical space here was a rectangular part of whose upper and bottom walls was influenced by a constant temperature. The effect of volume fraction of the nanoparticles, Reynolds number and non-Newtonian nanofluids was studied. In this research, the changes pressure drop, the Nusselt number, dimensionless temperature and heat transfer coefficient, caused by the motion of non-Newtonian nanofluids are described. The results indicated that the increase of the volume fraction of the solid nanoparticles and a reduction in the diameter of the nanoparticles would improve heat transfer which is more significant in Reynolds number. The results of the introduced parameters in the form of graphs drawing and for different parameters are compared. |
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| Keywords: | Numerical simulation Nanofluid Carboxy methyl cellulose Microchannel |
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