International Scientific Journal


In this work the determination and introduction of the transport properties of soybean oil biodiesel in the CFD code OpenFOAM has been studied. Additionally, effects of soybean oil biodiesel on the mixing process using CFD code OpenFOAM have been analyzed. In order to reach the objectives described, the most relevant transport properties of soybean oil biodiesel in the mixing process i. e. density, viscosity, surface tension, and vapor pressure have been determined. These transport properties were introduced in the CFD code OpenFOAM using coefficients obtained, which are based on the molecular structure of the fatty acids that composes the biodiesel and applying non-linear regressions. The main findings of the work were: the coefficients which are used in the proposed models by CFD code OpenFOAM for the introduction of the transport properties of soybean oil biodiesel have been obtained and the influence of the transport properties of soybean oil biodiesel on the mixing process has been confirmed.
PAPER REVISED: 2017-06-13
PAPER ACCEPTED: 2017-06-26
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  1. Kegl B., and Pehan S., Influence of biodiesel on injection, fuel spray, and engine characteristics, Thermal Science, 12 (2008), 2, pp. 171-182.
  2. Salvador F.J., et al., Consequences of using biodiesel on the injection and air-fuel mixing processes in diesel engines, Proceeding of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 227 (2013), 8, pp. 1130-1141.
  3. Elango T., and Senthilkumar T., Combustion and emission characteristics of a diesel engine fuelled with jatropha and diesel oil blends, Thermal Science, 15 (2011), 4, pp. 1205-1214.
  4. Loganathan K., and Manoharan C., Evaluation of performance and emission features of jatropha biodiesel-turpentine blend as green fuel, Thermal Science, 21 (2017), 1B, pp. 615-625.
  5. Taymaz I., and Coban M., Performance and emissions of an engine fuelled with a biodiesel fuel produced from animal fats, Thermal Science, 17 (2013), 1, pp. 233-240.
  6. Tomic M. D., et al., Effects of fossil diesel and biodiesel blends on the performances and emissions of agricultural tractor engines, Thermal Science, 17 (2013), 1, pp. 263-278.
  7. Payri R., et al., Effect of fuel properties on diesel spray development in extreme cold conditions, Proceeding of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 222 (2008), 9, pp. 1743-1753.
  8. Agarwal A. K., et al., Comparative study of macroscopic spray parameters and fuel atomization behavior of straight vegetable oils (Jatropha), its biodiesel and blends, Thermal Science, 17 (2013), 1, pp. 217-232.
  9. Yousefifard M., et al., Numerical simulation of biodiesel spray under ultra-high injection pressure using OpenFOAM, Journal of the Brazilian Society of Mechanical Sciences and Engineering, 37 (2015), 2, pp. 737-746.
  10. Cheng X., et al., Effects of fuel termo-physical properties on spray characteristics of biodiesel fuels, Proceedings of the FISITA 2012 World Automotive Congress, Lecture Notes in Electrical Engineering, Berlin, Heidelberg, 2013, Vol. 191, pp. 117-126.
  11. Ganji P. R., et al., Computational optimization of biodiesel combustion using response surface methodology, Thermal Science, 21 (2017), 1B, pp. 465-473.
  12. Ismail H. M., et al. Development of thermophysical and transport properties for the CFD simulation of in-cylinder biodiesel spray combustion, Energy & Fuels, 26 (2012), 8, pp. 4857-4870.
  13. Agudelo J., et al., Study of diesel sprays using computational fluid dynamics, Rev. Fac. Ing. Univ. Antioquia, 49 (2009), pp. 61-69.
  14. ***, OpenFOAM is a registered trade mark of OpenCFD Limited,
  15. Gimeno J., Estudio de la inyección diésel mediante la medida del flujo de cantidad de movimiento del chorro
  16. Mohan B., et al., Experimental study of spray characteristics of biodiesel derived from waste cooking oil, Energy Conversion and Management, 88 (2014), pp. 622-632.
  17. Kegl B. and Hribernik A., Experimental analysis of injection characteristics using biodiesel fuel, Energy & Fuels, 20 (2006), 5, pp. 2239-2248.
  18. He C., et al., Spray properties of alternative fuels: A comparative analysis of biodiesel and diesel, International Journal of Energy Research, 32 (2008), 14, pp. 1329-1338.
  19. Hwang J., et al., Spray and combustion of waste cooking oil biodiesel in a compression-ignition engine, International Journal of Engine Research, 16 (2015), 5, pp. 664-679.
  20. Gao Y., et al., Experimental study of the spray characteristics of biodiesel based on inedible oil, Biotechnology Advances, 27 (2009), 5, pp. 616-624.
  21. Wang X., et al., Experimental and analytical study on biodiesel and diesel spray characteristics under ultra-high injection pressure, International Journal of heat an fluid flow, 31 (2010), 4, pp. 659- 666.
  22. Heywood J., International combustion engine fundamentals, Mcgraw-hill, New York, USA, 1988.
  23. Spencer C. F., and Danner R. P., Improved equation for prediction of saturated liquid density, Journal of Chemical and Engineering Data, 17 (1972), 2, pp. 236-241.
  24. Teja A. S., and Rice P., Generalized corresponding states method for the viscosities of liquid mixtures, Industrial and Engineering Chemistry Fundamentals, 20 (1981), 1, pp. 77-81.
  25. Yuan W., et al., Predicting the physical properties of biodiesel for combustion modeling, Transactions of the ASAE, 46 (2003), 6, pp. 1487-1493.
  26. Reid R., et al., The properties of gases and liquids, McGraw-Hill, New York, USA, 1987.
  27. Ramírez L. F., Density and viscosity of biodiesel as a function of temperature: empirical models, Renewable and Sustainable Energy Reviews, 19 (2013), pp. 652-665.
  28. Allen C. A., et al., Predicting the surface tension of biodiesel fuels from their fatty acid composition, Journal of the American Oil Chemists' Society, 76 (1999), 3, pp. 317-323.
  29. Vetere A., The Riedel equation, Industrial and engineering chemistry research, 30 (1991), 11, pp. 2487-2492.
  30. Nerva J., et al., Fundamental spray and combustion measurements of soy methyl-ester biodiesel, International Journal of Engine Research, 14 (2013), 4, pp. 373-390.

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