A method for calculating an actual fresh air mass flowing into {HEAD ~ a cylinder} with {TAIL ~ the aid} of an inlet pipe flow model 
with
A method for calculating an actual fresh air mass flowing into { HEAD ~ a cylinder } with { TAIL ~ the aid } of an inlet pipe flow model
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH