Air flowing toward the core airflow inlet is first diverted radially outwardly by the inclined leading surface of the particle separator to {HEAD ~ the maximum radius} of {TAIL ~ the particle separator}  
Air flowing toward the core airflow inlet is first diverted radially outwardly by the inclined leading surface of the particle separator to { HEAD ~ the maximum radius } of { TAIL ~ the particle separator }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH