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2008年 第2卷 第1期

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《能源前沿（英文）》 >> 2008年 第2卷 第1期 doi: 10.1007/s11708-008-0022-5

Numerical investigation of the effects of fuel spray type on the interaction of fuel spray and hot porous medium

1.College of Environment and Safety Engineering, Qingdao University of Science and Technology; 2.School of Power and Power Engineering, Dalian University of Technology;

发布日期： 2008-03-05
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The interaction between two types of fuel spray and a hot porous medium is studied numerically by using an improved version of KIVA-3V code. The improved KIVA-3V code is incorporated with an impingement model, a heat transfer model and a linearized instability sheet atomization (LISA) model to model the hollow cone spray. An evaporating fuel spray impingement on a hot plane surface was simulated under conditions of experiments performed by Senda to validate the reasonability of the KIVA-3V code. The numerical results conform well with experimental data for spray radius in the liquid and the vapor phases. Computational results on the interaction of two types of the fuel spray and the hot porous medium show that the fuel spray can be split, which provides conditions for quick evaporation of fuel droplets and mixing of fuel vapor with air. The possibility of fuel droplets from hollow cone spray crossing the porous medium reduces compared with that from solid cone spray, with the same initial kinetic energy of fuel droplets in both injection types.

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