The apparatus is provided with {HEAD ~ an interrupter structure} for disrupting {TAIL ~ the fluid boundary layers} at the walls of the apparatus and promoting mixing of the separated boundary layers with the adjacent core layers 
for disrupting
The apparatus is provided with { HEAD ~ an interrupter structure } for disrupting { TAIL ~ the fluid boundary layers } at the walls of the apparatus and promoting mixing of the separated boundary layers with the adjacent core layers
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH