The operating parameter could include a jet speed, a jet impingement angle, {TAIL ~ a jet thickness}, a slice opening, and {HEAD ~ a slice apron projection} 
The operating parameter could include a jet speed , a jet impingement angle , { TAIL ~ a jet thickness } , a slice opening , and { HEAD ~ a slice apron projection }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD