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CFD modeling of natural convection heat transfer of TIO2-water nanofluid in a cylindrical container

Mirabedin, S. M ; Sharif University of Technology

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  1. Type of Document: Article
  2. DOI: 10.5098/hmt.7.17
  3. Publisher: Global Digital Central
  4. Abstract:
  5. This work focuses on numerical validation of natural convection heat transfer of TiO2-water nanofluids in a cylindrical container using COMSOL. The main aim of this study is to examine different available approaches to calculate effective thermal conductivity and compare them with experimental data available in the literature. Simulation results show that for considered mixture, average Nusselt number decreases by increasing Rayleigh number and particle volume fraction. It has been found that only one model was able to represent similar trends for given particle volume fractions, compared to experimental results
  6. Keywords:
  7. Nanofluids ; Numerical simulation ; Rayleigh-Bénard problem ; Computational fluid dynamics ; Computer simulation ; Containers ; Heat convection ; Natural convection ; Thermal conductivity ; Titanium dioxide ; Volume fraction ; Cylindrical containers ; Effective thermal conductivity ; Nanofluids ; Numerical validations ; Particle volume fractions ; Rayleigh ; Rayleigh number ; Water nanofluids ; Heat transfer
  8. Source: Frontiers in Heat and Mass Transfer ; Volume 7, Issue 1 , 2016 ; 21518629 (ISSN)
  9. URL: https://www.civilica.com/EnPaper-JR_IJP-ICOAC01_308.html