Figure 7. Emissions at different spray angle (a) NO mass fraction (b) Soot mass fraction

From

A Review on the Different Geometries of Combustion Chamber in CI Engines on Performance, Ignition and Emission

Alireza Lotfi, Hassan Ghassemi

Journal of Atmospheric Pollution. 2017, 5(2), 40-46 doi:10.12691/jap-5-2-1