The pre mixing baffles also provide some acceleration and increased contact with the quench gas stream to further improve {HEAD ~ heat transfer} with {TAIL ~ only a moderate effect} upon the overall pressure drop across the device 
with
The pre mixing baffles also provide some acceleration and increased contact with the quench gas stream to further improve { HEAD ~ heat transfer } with { TAIL ~ only a moderate effect } upon the overall pressure drop across the device
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH