Heat Transfer of Water Jacket for GDI Engine Based on Fe3O4-Glycol Nano Fluid

Xu Mengjie; Wang Xihui

doi:10.3969/j.issn.1001-2222.2017.02.003

Vehicle Engine >

2017 , Vol. 0 >Issue 2: 12 - 18

DOI: https://doi.org/10.3969/j.issn.1001-2222.2017.02.003

Heat Transfer of Water Jacket for GDI Engine Based on Fe₃O₄-Glycol Nano Fluid

Xu Mengjie ,
Wang Xihui

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School of Mechanical & Automotive Engineering,South China University of Technology, Guangzhou 510640,China

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Abstract

The glycol coolant added with Fe3O4 nano particles was used as the coolant of gasoline direct injection engine. Then the heat transfer of water jacket flowed through by different prepared coolants was analyzed with CFD Fluent software and the computation accuracy improved by considering the change of physical parameters such as thermal conductivity and specific heat capacity with temperature. The flow field, the pressure field and the wall temperature distribution were
obtained by the simulation. The results indicate that nanofluid can improve the engine heat transfer capability. The wall temperature of water jacket drops evidently and the higher mixing concentration leads to better cooling effect.

Key words： nanofluid; gasoline direct injection engine; water jacket; simulation

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Xu Mengjie , Wang Xihui . Heat Transfer of Water Jacket for GDI Engine Based on Fe₃O₄-Glycol Nano Fluid[J]. Vehicle Engine, 2017 , 0(2) : 12 -18 . DOI: 10.3969/j.issn.1001-2222.2017.02.003

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