Mixture Formation3.1.2.1 Main Influencing VariablesApart from the air movement in the combustion chamber(squish or squish flow and air swirl), which can be shaped bythe design of the combustion chamber and the intake port,internal mixture formation is essentially dominated by theinjection. An injection system must perform the followingtasks: Generate the required injection pressure, meter the fuel[3-2], ensure spray propagates, guarantee rapid spraybreakup, form droplets and mix the fuel with the combustionair (see also Chap. 5).3.1.2.2
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