The outlet plane of this tube to the combustion chamber is formed with {HEAD ~ a breakaway edge} which serves to stabilize and enlarge {TAIL ~ a backflow zone} forming downstream 
serves to enlarge
The outlet plane of this tube to the combustion chamber is formed with { HEAD ~ a breakaway edge } which serves to stabilize and enlarge { TAIL ~ a backflow zone } forming downstream
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH