Evaporation of liquid fuel droplet at supercritical conditions

被引:0
|
作者
HE Peng *
机构
基金
中国国家自然科学基金;
关键词
evaporation; fuel droplet; supercritical conditions;
D O I
暂无
中图分类号
TK124 [传热学];
学科分类号
080701 ;
摘要
A comprehensive analysis of liquid fuel droplet evaporation at supercritical conditions is performed.The numerical model is based on complete time-dependent conservation equations,with a full account of variable thermophysical properties and vapor-liquid interfacial thermodynamics.And the model employs the Peng-Robinson(PR)equation of state(EOS).As a specific example,problems involving n-heptane droplet in nitrogen gas are investigated.The results indicate that the increase of ambient pressure and temperature results in the increase of surface temperature rise rate and surface regression rate.The transition from subcritical state to supercritical state can occur at the droplet surface when the droplet evaporates in a strongly supercritical environment.
引用
收藏
页码:369 / 374
页数:6
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