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Originally Posted by Cyco-Dude
exactly how will having a higher water velocity in the radiators help? wouldn't it be better to have the water moving slower in the radiators (i.e., spends more time in the radiators) to transfer more heat to the fins? or was that disproved?
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Whatever the velocity of the water is , it will spend the same amount of time in the rad. Doubling the velocity also doubles the number of times the water passes through the rad per given time period. But increaced flow will result in increaced efficiency due to turbulance For example see
http://overclockers.com/articles1158/
Also note the effect of airflow. Trippling the water flow increaces cooling about 34%, but just doubling the airflow increaces cooling about 38%.....for this rad under the stated conditions....user results may vary.