Boiling process with incorporating nanoparticles through a flattened channel using experimental approach

A Shafee, B Rezaeianjouybari… - Journal of Thermal …, 2021 - Springer
A Shafee, B Rezaeianjouybari, M Sheikholeslami, M Allahyari, H Babazadeh
Journal of Thermal Analysis and Calorimetry, 2021Springer
In this article, pressure loss of a refrigerant enhanced with nanoparticle (CuO/oil/R600a)
during flow boiling in flattened tubes was analyzed experimentally. Impacts of flattened
percentage of channels, inlet velocity, vapor quality, concentration of nanomaterial on
boiling pressure drop have been reported. Outputs demonstrate that intensifying velocity
inlet increases the bulk momentum and leading to promotion in friction as same as single-
phase flows. The influence of adding nanomaterial on boiling pressure loss is less sensible …
Abstract
In this article, pressure loss of a refrigerant enhanced with nanoparticle (CuO/oil/R600a) during flow boiling in flattened tubes was analyzed experimentally. Impacts of flattened percentage of channels, inlet velocity, vapor quality, concentration of nanomaterial on boiling pressure drop have been reported. Outputs demonstrate that intensifying velocity inlet increases the bulk momentum and leading to promotion in friction as same as single-phase flows. The influence of adding nanomaterial on boiling pressure loss is less sensible at greater vapor qualities.
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