September 10, 2025SAE technical papers on CD-ROM/SAE technical paper series

Achieving Enhanced Swirl with Vortex Generating Jets in a Light-Duty Direct-Injected Diesel Engine

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Authors

JRJ M RitterGuy's Hospital AKAli Berk KahramanTechnische Universität Braunschweig EWErich WenzTechnische Universität Braunschweig

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Implication

Experimental evaluation shows that air injection with vortex generating jets improves swirl and flow in direct-injected diesel engines, suggesting new efficiency limits.

Key Points

Air injection via vortex generating jets significantly enhances swirl without compromising airflow.
The low swirl and high flow scenario achieved a 26% increase in discharge coefficient compared to existing designs.
Computational fluid dynamics simulations were used to identify optimal intake port configurations for testing.
Results indicate that strategic air injection can surpass previous limits in swirl generation for diesel engines.

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Ritter et al. (2025) studied this question.

synapsesocial.com/papers/68c23cf6b210217d6478b5fc https://doi.org/10.4271/2025-24-0016

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Implication

Experimental evaluation shows that air injection with vortex generating jets improves swirl and flow in direct-injected diesel engines, suggesting new efficiency limits.

Achieving Enhanced Swirl with Vortex Generating Jets in a Light-Duty Direct-Injected Diesel Engine

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Key Points

Cite This Study

Achieving Enhanced Swirl with Vortex Generating Jets in a Light-Duty Direct-Injected Diesel Engine

Discussion

Member takes

Implication

Key Points

Cite This Study

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