Port fuel injection spray variations show potential to reduce particulate number emissions

What is it about?

Soot emissions from gasoline engines, typically measured by the particulate number concentration (PN), need to be reduced. This paper focuses on the specific soot formation mechanisms for port fuel injection (PFI) gasoline engines. Different injection spray designs are assessed by high speed video endoscopy regarding their potential to reduce PN emissions.

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Why is it important?

The work presented in our paper provides deep insights into combustion system optimization parameters, which help to contribute to a cleaner air.