Why do diesel engine pistons have a deep bowl in the top while gasoline pistons are usually flat? - Quora
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Figure 1 from EFFECTS OF PISTON BOWL GEOMETRY ON COMBUSTION AND EMISSION CHARACTERISTICS ON DIESEL ENGINE: A CFD CASE STUDY | Semantic Scholar
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Numerical Investigation on Mixture Formation and Combustion Process of Innovative Piston Bowl Geometries in a Swirl-Supported Light-Duty Diesel Engine. - Document - Gale Academic OneFile
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