Maths is cool - part 13

17/01/20

Calculating and graphing MAF for turbocharged engines

Following on from the Valvetronic forum post, I felt it would be a good candidate to test out the relevant formulas to calculate airflow where turbochargers are installed.
 

The engine in question is a 4-cylinder BMW 114i N13, producing 102 PS @ 4000 rpm. To determine MAF, we need to calculate the Volumetric Efficiency (VE) of the engine.
 

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