Effective numerical model for flow boiling of a nanofluid

Anurag Alam Shetty, Pradyumna Ghosh, S. S. Mondal, Nirupama S. Patra., R. S. Singh


Flow boiling of Al2O3-Water nanofluid has been investigated numerically using the Eulerian multiphase model in ANSYS FLUENT. The physical properties have been computed using the two phase mixture model. In the Eulerian multiphase model, Rensselaer Polytechnic Initiative (RPI) nucleate boiling model has been used for modeling boiling. Axial vapor fraction has been computed in case of flow boiling of water and heat transfer coefficient has been computed in case of flow boiling of Al2O3-Water nanofluid. The numerical results obtained were in good agreement with experimental results. The RPI model predicts the heat transfer characteristics quickly.


Keywords: Nanofluid, Flow boiling, RPI modeling, FLUENT

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DOI: https://doi.org/10.14741/ijtt.v7i.8275


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