Hassan, Ali  <br/><br/>
CFD in Drinking Water Treatment 
Ali Hassan 
 - 57p.  Soft Copy  30cm 
<br/><br/> An upgraded model was developed by employing a combination of Eulerian-Eulerian two-phase<br/>approach and user defined function (UDF) to solve the water-ozone flow and interaction in an<br/>ozone contactor using computational fluid dynamics (CFD). Moreover, geometric configuration<br/>of the contactor was optimized to improve the performance of the contactor. As indicators<br/>Residence Time Distribution (RTD) and Dissolved Ozone Concentration (C) were used for<br/>single phase and two-phase CFD models. Validation of experimental data already available in<br/>the literature was done for RTD and then its impact on C was studied using different contactor<br/>configurations. From simulations it was evident that optimizing structural configurations can<br/>greatly reduce the size of recirculation zones, dead zones and short-circuiting. As a result, an<br/>increase of 71.6% was observed in dissolved ozone concentration in the geometry containing<br/>double-sided horizontal baffles.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>MS Mechanical Engineering      
<br/><br/><label>Dewey Class. No.: </label>621