Boiling heat transfer characteristics of ethylene glycol and water mixture based ZnO nanofluids in a cylindrical vessel
作者： Yurong He , Haoran Li , Yanwei Hu , Xinzhi Wang , Jiaqi Zhu
DOI: 10.1016/J.IJHEATMASSTRANSFER.2016.03.052
关键词: Atmospheric pressure 、 Ethylene glycol 、 Nucleate boiling 、 Heat flux 、 Critical heat flux 、 Boiling 、 Materials science 、 Chemical engineering 、 Convection 、 Nanofluid
摘要: Abstract Pool boiling heat transfer characteristics including coefficient (HTC) and critical flux (CHF) of ethylene glycol (EG) deionized water (DW) mixtures based ZnO nanofluids are experimentally investigated in a cylindrical vessel under atmospheric pressure. As the goes on, HTC increases an obvious way for natural convective region while gradually nucleate region. In addition, significant enhancement CHF between their respective base fluids is observed. The enhanced due to surface wettability reduction nanoparticle coating on heater surface. Results also show that only with mass fraction less than ∼7.25% could enhance capability vol.% = 85% EG aqueous solution.
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