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Development and Validation of 3D-CFD Injection and Combustion Models for Dual Fuel Combustion in Diesel Ignited Large Gas Engines (CROSBI ID 249538)

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Eder, Lucas ; Ban, Marko ; Pirker, Gerhard ; Vujanović, Milan ; Priesching, Peter ; Wimmer, Andreas Development and Validation of 3D-CFD Injection and Combustion Models for Dual Fuel Combustion in Diesel Ignited Large Gas Engines // Energies (Basel), 11 (2018), 3; 643, 23. doi: 10.3390/en11030643

Podaci o odgovornosti

Eder, Lucas ; Ban, Marko ; Pirker, Gerhard ; Vujanović, Milan ; Priesching, Peter ; Wimmer, Andreas

engleski

Development and Validation of 3D-CFD Injection and Combustion Models for Dual Fuel Combustion in Diesel Ignited Large Gas Engines

This paper focuses on improving the 3D- Computational Fluid Dynamics (CFD) modeling of diesel ignited gas engines, with an emphasis on injection and combustion modeling. The challenges of modeling are stated and possible solutions are provided. A specific approach for modeling injection is proposed that improves the modeling of the ballistic region of the needle lift. Experimental results from an inert spray chamber are used for model validation. Two-stage ignition methods are described along with improvements in ignition delay modeling of the diesel ignited gas engine. The improved models are used in the Extended Coherent Flame Model with the 3 Zones approach (ECFM-3Z). The predictive capability of the models is investigated using data from single cylinder engine (SCE) tests conducted at the Large Engines Competence Center (LEC). The results are discussed and further steps for development are identified.

dual fuel combustion ; 3D-CFD modeling ; ECFM-3Z ; diesel ignited gas engine ; ignition delay modeling ; experimental validation

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Podaci o izdanju

11 (3)

2018.

643

23

objavljeno

1996-1073

10.3390/en11030643

Povezanost rada

Strojarstvo

Poveznice
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