Any idea how the PCM calculates airflow from effective area in B4403?
Any idea how the PCM calculates airflow from effective area in B4403?
They use the compressible flow equation(s), just like every other major OEM. It's in the appendix of John B. Heywood's text: http://www.amazon.com/Internal-Combu.../dp/007028637X
~Greg
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