Effects of two-phase flow conditions on flow boiling CHF enhancement of magnetite-water nanofluids
作者： Taeseung Lee , Dong Hoon Kam , Jong Hyuk Lee , Yong Hoon Jeong
DOI: 10.1016/J.IJHEATMASSTRANSFER.2014.03.028
关键词:
摘要: Abstract Experimental studies were conducted to understand the flow boiling CHF (critical heat flux) characteristics of a magnetite-water nanofluid for wide range exit qualities, especially intermediate and relatively high qualities. In contrast previous studies, qualities was considered various heating lengths, mass fluxes, inlet sub-cooling. enhancement observed when quality low DNB-like thermal crisis occurred: these results consistent with reporting delay in DNB using nanofluids. Meanwhile, this did not occur annular an LFD-type occurred. This is expected under LFD condition because phenomena are nearly unaffected by surface conditions. As increased from 0.07 0.74, amount gradually decreased approached zero. conclusion, quality.
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