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