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Liquid Spray Data from an Optical Medium-Speed Diesel Engine and Its Comparison with CFD
ISSN: 0148-7191, e-ISSN: 2688-3627
Published November 02, 2009 by SAE International in United States
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Experimental spray tip penetrations obtained from a large-bore medium-speed optical diesel engine were compared to CFD simulations. The optical spray results are unique as they are obtained from a running large-bore (200mm) diesel engine. The experimental spray tip penetration measurements were obtained during the early spray development period when the spray evaporation had not yet reached the quasi steady-state phase. The CFD simulations were conducted in both static chamber environment and in engine conditions. The fuel injection boundary conditions were obtained from 1-D simulations. Within the error margins associated with the experimental and computational data, relatively good accuracy was obtained between measured and simulated spray tip penetration. It was also observed that it is very important to have accurate fuel injection mass flow rate data. This was observed after a sensitivity analysis was made for the injection duration and fuel mass quantity. In addition, it was observed that the spray shape in the simulations did not fully resemble the experimental spray shapes.
- Ossi Kaario - TKK Helsinki University of Technology
- Aki Tilli - TKK Helsinki University of Technology
- Harri Hillamo - TKK Helsinki University of Technology
- Teemu Sarjovaara - TKK Helsinki University of Technology
- Ville Vuorinen - TKK Helsinki University of Technology
- Martti Larmi - TKK Helsinki University of Technology
CitationKaario, O., Tilli, A., Hillamo, H., Sarjovaara, T. et al., "Liquid Spray Data from an Optical Medium-Speed Diesel Engine and Its Comparison with CFD," SAE Technical Paper 2009-01-2676, 2009, https://doi.org/10.4271/2009-01-2676.
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