Browse Publications Technical Papers 2008-01-0947

Fuel Spray Modeling for Direct Injection Compression Ignition Engine Configurations 2008-01-0947

This study presents a computationally efficient numerical model that accurately predicts complex spray distribution and spray penetration for a direct injection compression ignition engine configuration. Experimental data obtained from available literature is used to construct a semi-empirical numerical model. A modified version of a multidimensional computer code KIVA-3V is used for the computations, with improved sub-models for varying mean droplet diameter, varying injection velocity and drop distortion and drag. Results show good agreement with the published in-cylinder experimental data for a Volkswagen 1.9 L turbo-charged direct injection under actual operating conditions.


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