Delay in DNB for flow boiling of diluted oxide based nanofluids
作者： Nirupama Patra , Vivek Gupta , Eswar Pradyumna , Ravi Singh , Pradyumna Ghosh
DOI: 10.1016/J.EXPTHERMFLUSCI.2017.08.016
关键词: Spark plug 、 Thermodynamics 、 Materials science 、 Volume fraction 、 Cartridge heater 、 Heat flux 、 Bubble 、 Annulus (firestop) 、 Nanofluid 、 Nano-
摘要: Abstract Flow boiling of Al 2 O 3 -water and TiO nanofluids have been investigated with different particle concentrations in a vertical annulus equipped concentric cartridge heater at heat fluxes from 30 to 250 kW/m 1 bar pressure determine bubble behavior by high speed visualization study the parametric effect volume fraction flux on dynamics. The important observations include; delayed DNB case nano fluids as compared de-ionized water. Different flow patterns during variable concentration were obtained visualized terms bubbly, dispersed plug churn flow.
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