The circulating pump 72 is crucial to the operation of the heat exchanger 10, as without the pump 72 forcing {HEAD ~ liquid} through the shell 12, {TAIL ~ only convection} would force the liquid through the shell 12 and flow would be substantially stagnant 
The circulating pump 72 is crucial to the operation of the heat exchanger 10 , as without the pump 72 forcing { HEAD ~ liquid } through the shell 12 , { TAIL ~ only convection } would force the liquid through the shell 12 and flow would be substantially stagnant
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH