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:: Volume 44, Issue 44 (10-2016) ::
Vol.44 No. 44 pp. 65-77 Back to browse issues page
A Numerical Study on Non-Reacting Spray Characteristics of Different Marine Diesel Fuel-Water Emulsion Blends
Hashem Nowruzi Mr., Parviz Ghadimi Dr. , Seyed Mostafa Mirsalim Dr.
Abstract:   (1391 Views)

Use of diesel fuel-water emulsion is one of the basic strategies to reduce emission in diesel engines. So in the present paper, non-reacting characteristics of different diesel fuel-water emulsion blends by use of CFD at two injection pressure of 600bar and 1000bar is studied. Three different volumetric percentegae of 5%, 10% and 15% of water emulsion with marine diesel fuel in a constant volume chamber of medium speed marine diesel engine at temperature of 298K have been considered. Furthermore, OpenFOAM CFD toolbox with Eulerian-Lagrangian multiphase scheme for simulation of fuel discrete phase interaction with air continuous phase has been applied. Liquid spary secondary breakup and continuous phase turbulence have been simulated respectively by Reitz-Diwakar scheme and standard model of K-E in RANS. Also, with appropriate accordance, the numerical results of spray characteristics are validated by experimental data. Based on computational results, by use of marine diesel fuel-water emulsion instead of basic fuel, the spray penetration length, spray cone angle and SMD are incresead. Moreover, this increasion are improved by enhance of volumetric percentage of water in emulsion. However, promotion of non-reacting liquid spray characteristics with injection pressure enhauncement has been observed.

Keywords: Non-Reacting Characteristic, Marine Diesel Fuel and water Emulsion, OpenFOAM Software
Full-Text [PDF 786 kb]   (219 Downloads)    
Type of Study: Research Study | Subject: Fuel and Combustion in Internal Combustion Engines
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Nowruzi H, Ghadimi P, Mirsalim S M. A Numerical Study on Non-Reacting Spray Characteristics of Different Marine Diesel Fuel-Water Emulsion Blends. JER. 2016; 44 (44) :65-77
URL: http://engineresearch.ir/article-1-499-en.html

Volume 44, Issue 44 (10-2016) Back to browse issues page
فصلنامه تحقیقات موتور The Journal of Engine Research
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