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:: Volume 45, Issue 45 (1-2017) ::
Vol.45 No. 45 pp. 41-52 Back to browse issues page
Numerical Study of the Characteristics of High Pressure Diesel Spray In Interaction with Porous Media
Abstract:   (865 Views)

The idea of using porous media in internal combustion engines is developed to achieve charge homogenization in recent decade. In this paper, the macroscopic characteristics of high pressure diesel spray has been studied in interaction with porous media. Spray penetration length has been obtained numerically in both free spray and porous media (PM) presence in a constant volume chamber under different ambient pressure conditionsFour empirical correlations in the literature has been compared to predict the spray pressure drop through the PM and obtained the viscous and inertia loss coefficients in the Forchheimer equation and then the most accurate correlation will be introduced based on the experimental results. The numerical results predict correctly the length of the spray penetration after passing through porous media. Although these correlations were developed for water in low Reynolds flows but the result indicates that the correlations can be used in high Reynolds streams and expanded scope of its applications.

Keywords: Diesel Fuel Spray, Porous Media, Pressure Loss, Viscous and Inertia Loss Coefficients
Full-Text [PDF 1021 kb]   (142 Downloads)    
Type of Study: Research Study | Subject: Fuel and Combustion in Internal Combustion Engines
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Numerical Study of the Characteristics of High Pressure Diesel Spray In Interaction with Porous Media. JER. 2017; 45 (45) :41-52
URL: http://engineresearch.ir/article-1-546-en.html


Volume 45, Issue 45 (1-2017) Back to browse issues page
فصلنامه تحقیقات موتور The Journal of Engine Research
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