an acoustic damper provided in said tube, said tube connecting said {HEAD ~ pressure detector} to said {TAIL ~ combustion chamber} with said intake tap 
to
an acoustic damper provided in said tube , said tube connecting said { HEAD ~ pressure detector } to said { TAIL ~ combustion chamber } with said intake tap
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH