Sensors of this sort comprise structural elements inducing an oscillating flow component transverse to a fluid flow direction and representative of {TAIL ~ a rate} of {HEAD ~ flow} when the fluid is flowing along the flow direction 
Sensors of this sort comprise structural elements inducing an oscillating flow component transverse to a fluid flow direction and representative of { TAIL ~ a rate } of { HEAD ~ flow } when the fluid is flowing along the flow direction
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH